Rubber-Sheathed Cables

Short Description:

Rubber-Sheathed Cables are flexible, movable cables composed of multiple fine copper strands as the conductor, covered with rubber insulation and a rubber sheath. Generally, they include varieties such as general-purpose rubber-sheathed flexible cables, welding machine cables, submersible motor cables, radio equipment cables, and photography lighting cables.

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Product Introduction

Selection Guidelines

Classification standard

Installation and Maintenance Precautions

Dimension	Detailed Description
Product Definition	A special type of flexible cable that uses rubber as the core insulation and sheath material, divided into two main categories: natural rubber and synthetic rubber. It is the core general-purpose cable category in the industrial field with high flexibility, high wear resistance, weather resistance and waterproof performance, which can perfectly adapt to extreme working conditions such as dynamic bending, outdoor harsh environments, and strong mechanical wear that conventional PVC/XLPE cables cannot cover.
Core Materials	1. Core insulation/sheath rubber materials: Natural Rubber (NR), Chloroprene Rubber (CR), Nitrile Butadiene Rubber (NBR), Ethylene Propylene Rubber (EPR), Silicone Rubber (MVQ), Chlorosulfonated Polyethylene (CSM), low smoke zero halogen flame retardant rubber, etc., which can be matched according to scenario requirements; 2. Conductor: Oxygen-free copper, tinned copper, aluminum alloy conductor, multi-strand ultra-fine flexible conductor structure is preferred to ensure the high flexibility and bending resistance of the cable; 3. Supporting structure: Steel tape/steel wire armouring, copper mesh/aluminum foil shielding, water blocking and waterproofing, flame retardant and fire resistant composite structures can be provided to adapt to the special needs of different scenarios.
Core Characteristics	1. High flexibility and elasticity: The rubber material has a low elastic modulus and excellent softness, can be laid with an extremely small bending radius, and has excellent bending fatigue resistance, which can be bent repeatedly without fracture, making it the preferred category for mobile laying scenarios; 2. High wear and tear resistance: The sheath has high mechanical strength, and its wear and tear resistance is far superior to PVC cables. It can withstand high-frequency dragging, friction and rolling, and is suitable for strong wear scenarios such as outdoor construction and mobile equipment; 3. Excellent weather resistance and waterproof performance: UV resistance, ozone resistance, rain and snow resistance, heat and humidity resistance, and excellent waterproof sealing performance, which can operate stably in outdoor, humid, water-spraying and shallow water environments for a long time; 4. Stable electrical insulation performance: High insulation resistance, low dielectric constant, small dielectric loss in a wide temperature range, no obvious attenuation of electrical performance, and can stably transmit power and control signals; 5. Oil and corrosion resistance: Synthetic rubber materials can withstand corrosive media such as mineral oil, synthetic oil, hydraulic oil, acid and alkali solutions, and organic solvents, adapting to oil/corrosion environments such as chemical industry, oil fields, and ships; 6. Outstanding safety performance: It can be matched with low smoke zero halogen flame retardant and fire resistant mica tape composite structure, no dripping and no toxic gas release during combustion, and the flame retardant grade can reach Class A of GB 31247, which is suitable for high safety requirement scenarios such as mines, rail transit, and fire emergency.
National/International Implementation Standards	Domestic standards: GB/T 5013-2008 Rubber Insulated Cables for Rated Voltages up to and Including 450/750V, GB/T 12706 Series Standards for Extruded Insulated Power Cables, MT 818 Series Standards for Coal Mine Cables, GB/T 19666 General Rules for Flame Retardant and Fire Resistant Wires and Cables, GB/T 2951 General Test Methods for Cable Insulation and Sheath Materials; International standards: IEC 60245 Rubber Insulated Cables, IEC 60502 Specification for Extruded Insulated Power Cables, UL 62 Safety Standard for Flexible Cords and Cables, CE EN 50525 Industrial Cable Standard.
Core Application Scenarios	1. General industrial scenarios: Power supply and control signal transmission for mechanical equipment, automated production lines, CNC machine tools, mobile equipment, and industrial robots; 2. Outdoor engineering scenarios: Temporary/fixed power supply for building construction, municipal engineering, port terminals, road and bridge construction, and supporting power supply for outdoor landscape lighting, fountains and swimming pools; 3. Special equipment scenarios: Supporting special cables for electric welding machines, submersible motors, ships and yachts, new energy vehicles, medical equipment, and aerospace; 4. Underground mine scenarios: Flame retardant and explosion-proof power supply and control for mining equipment, conveyors, and underground control equipment in coal mines and metal mines; 5. Harsh environment scenarios: Extreme working conditions such as high temperature, low temperature, humidity, oil stain, acid and alkali corrosion, high altitude, and strong ultraviolet rays.

Model Selection Module	Core Points	Detailed Description and Red Line Requirements
Core Red Line Principles for Model Selection	Compliance First	1. All model selection must comply with the current national cable standards. For special scenarios such as mines, rail transit, fire emergency, ships, compliant products with corresponding MA/3C/CCS/flame retardant and fire resistant mandatory certification must be selected; 2. Non-standard products without test reports and certification are strictly prohibited, especially in high dynamic, high wear, strong corrosion, high safety scenarios, which must ensure that the core performance all meet the standards; 3. The rated voltage, temperature resistance grade, wear resistance grade, flame retardant grade must be higher than the maximum requirements of the actual application scenario. Low-specification models are strictly prohibited from being used beyond their applicable scenarios.
	Scenario Matching	1. Fully adapt to the dynamic bending frequency, wear degree, environmental medium, laying method, mechanical external force, signal transmission requirements of the application scenario; 2. For high dynamic drag chain/robot scenarios, high tear resistance, high flexibility special models must be selected; for outdoor/waterproof scenarios, chloroprene rubber/CSM material weatherproof and waterproof models must be selected; for oil/strong corrosion scenarios, nitrile/chlorosulfonated polyethylene material models must be selected; for mine/fire safety scenarios, high flame retardant low smoke zero halogen models must be selected; 3. For scenarios with mechanical external force and dragging risk, armoured structure must be selected; for high dynamic mobile scenarios, multi-strand ultra-fine flexible conductor structure must be selected; for high drop vertical laying scenarios, steel wire armoured structure must be selected; for signal transmission scenarios, shielded structure must be selected.
	Performance Adaptation	1. The wear and tear resistance, current carrying capacity, insulation performance, mechanical performance, corrosion resistance must fully meet the actual application requirements, with a 10%~20% redundancy reserved; 2. Operation beyond the rated voltage, long-term operating temperature, minimum bending radius, current carrying capacity, bending life is strictly prohibited; 3. Take into account the economy and construction convenience, give priority to general-purpose models, and avoid excessive customization that leads to difficulties in later operation and maintenance.
Core Parameter Selection	Core Material Selection	1. General industrial/mobile equipment scenarios: priority is given to natural rubber/chloroprene rubber material, with good elasticity, wear and tear resistance, moderate cost, and strong versatility; 2. Outdoor/waterproof/weather resistant scenarios: chloroprene rubber/chlorosulfonated polyethylene (CSM) material must be selected, with excellent ozone resistance, UV resistance and waterproof performance, which is the first choice for outdoor scenarios; 3. Oil/strong corrosion scenarios: priority is given to nitrile rubber/chlorosulfonated polyethylene material, with outstanding oil resistance, acid and alkali resistance, corrosion resistance; 4. High dynamic drag chain/robot scenarios: high tear resistance chloroprene rubber/silicone rubber material must be selected, with the best high flexibility, bending resistance and wear resistance; 5. Extreme high and low temperature scenarios: priority is given to silicone rubber/ethylene propylene rubber material, with excellent high and low temperature resistance, stable performance in a wide temperature range; 6. Mine/fire safety scenarios: low smoke zero halogen flame retardant rubber material must be selected, with flame retardant grade ≥ Class B, non-flame retardant, high smoke and toxic materials are strictly prohibited; 7. Red line requirement: The long-term allowable operating temperature of the material must be higher than the maximum ambient temperature of the scenario + conductor operating temperature rise, with a safety redundancy of more than 20℃ reserved.
	Conductor Specification and Current Carrying Capacity Selection	1. Conductor material: oxygen-free copper conductor is selected for conventional scenarios, and tinned copper/silver-plated copper conductor is selected for high flexibility/high frequency/high humidity scenarios to improve oxidation and corrosion resistance; 2. Conductor cross section: ① Power supply line: 1.5mm² for load within 10A, 2.5mm² for 10A~16A load, 4mm² for 16A~25A load, 6mm² for 25A~32A load, and the cross section is matched according to the actual impulse current for electric welding machine/high current scenarios; ② Signal control line: 0.5mm²~0.75mm² for conventional control signals, 0.75mm²~1.0mm² for high-precision sensor/high frequency signals; 3. Current carrying capacity verification: According to the laying method, ambient temperature, and number of parallel cables, verify that the allowable current carrying capacity of the cable ≥ the actual maximum operating current, with a redundancy of more than 10% reserved; for high dynamic and high ambient temperature scenarios, the current carrying capacity shall be reduced by 10%~20% according to the national standard, and operation beyond the current carrying capacity is strictly prohibited; 4. Conductor structure: single strand/7 strand hard conductor is selected for fixed laying, multi-strand ultra-fine flexible conductor must be selected for high dynamic/flexible scenarios, single solid conductor is selected for high frequency scenarios to reduce skin effect, and high flexibility stranded flexible conductor must be selected for drag chain scenarios to ensure bending life.
	Structure Selection	1. Armouring structure: For outdoor direct burial, pipe laying, scenarios with mechanical impact and dragging risk, steel tape/steel wire armouring structure must be selected; for high drop, vertical laying, scenarios with large tensile force, steel wire armouring structure must be selected to improve tensile and anti-falling performance; 2. Shielding structure: For industrial control, signal transmission, and electromagnetic interference scenarios, copper mesh/aluminum foil shielding structure must be selected; for high frequency/high precision control scenarios, priority is given to overall shield + pair shield double layer shielding, with shielding coverage ≥85%, to avoid electromagnetic interference and signal distortion; 3. Waterproof structure: For underwater, swimming pool, fountain, high humidity scenarios, radial water blocking tape + waterproof sealing sheath + axial waterproof plug composite structure must be selected, with waterproof grade ≥IPX7, and must reach IPX8 for underwater scenarios; 4. Flexible structure: For drag chain, robot, high frequency dynamic bending scenarios, multi-strand ultra-fine flexible conductor + high tear resistant rubber insulation + wear-resistant sheath composite structure must be selected, with the minimum bending radius up to 5 times the cable outer diameter, and bending life ≥5 million times; 5. Flame retardant structure: For mine, rail transit, fire emergency scenarios, high flame retardant low smoke zero halogen sheath + fire resistant mica tape composite structure must be selected to ensure power supply stability in fire scenarios.
	Voltage Grade Selection	1. Conventional control/signal lines: priority is given to 450/750V rated voltage, with strong versatility and complete accessory matching; 2. Low voltage power supply lines: priority is given to 0.6/1kV rated voltage, with more stable insulation performance and more sufficient current carrying capacity redundancy; 3. Medium voltage power supply/grid connection lines: 6kV, 10kV rated voltage is selected according to the system voltage, and special medium voltage cable accessories of corresponding voltage grade must be matched; 4. High frequency/RF signal lines: special high frequency rubber sheathed cables with corresponding characteristic impedance (50Ω/75Ω) must be selected, and ordinary power/control cables are strictly prohibited from being replaced; 5. Red line requirement: The rated voltage of the cable must be higher than the maximum operating voltage of the system, and operation beyond the rated voltage is strictly prohibited.
Scenario Adaptation Verification	Environmental Parameter Verification	1. Temperature verification: confirm that the long-term allowable operating temperature of the cable ≥ the maximum ambient temperature of the scenario + conductor operating temperature rise, and for low temperature scenarios, confirm that the minimum allowable operating temperature of the cable ≤ the historical extreme minimum temperature of the scenario, with a safety redundancy of more than 10℃ reserved; 2. Corrosive medium verification: confirm that the corrosion resistance of the cable insulation/sheath material fully matches the corrosive media such as oil stain, acid and alkali, organic solvent, seawater in the environment, and ordinary natural rubber materials are strictly prohibited in strong corrosion scenarios; 3. Weather resistance verification: for long-term outdoor laying, chloroprene rubber/CSM materials with UV resistance, ozone resistance and salt spray resistance must be selected, and ordinary indoor cables are strictly prohibited from being replaced; 4. Flame retardant safety verification: select cables of corresponding flame retardant/fire resistance grade according to the fire safety requirements of the scenario. Non-flame retardant, high smoke and toxic cables are strictly prohibited in indoor, mine and rail transit scenarios; 5. Waterproof verification: for humid, water-spraying, underwater scenarios, it must be confirmed that the waterproof grade of the cable matches the scenario requirements, and non-waterproof cables are strictly prohibited from being replaced.
	Laying Parameter Verification	1. Bending radius verification: confirm that the minimum allowable bending radius of the cable ≤ the actual laying bending radius. The minimum bending radius for fixed laying is ≥10 times the cable outer diameter, for mobile laying is ≥15 times the cable outer diameter, and for drag chain/high flexibility scenarios is ≥5 times the cable outer diameter. Laying with excessive small bending radius is strictly prohibited to avoid damage to the insulation layer and conductor core breakage; 2. Laying space verification: confirm that the outer diameter and structure of the cable fully match the laying drag chain, pipeline, cable tray and installation space to avoid installation failure; 3. Construction adaptability verification: confirm that the flexibility and structure of the cable adapt to the construction technology of the scenario, such as drag chain installation, equipment wiring, outdoor direct burial, etc., to avoid cable damage during construction; 4. Tensile resistance verification: for high drop, vertical laying, long-span laying scenarios, it must be confirmed that the tensile resistance of the cable ≥ the actual maximum axial tensile force, and operation beyond the tensile force is strictly prohibited.
	Electrical Performance Verification	1. Current carrying capacity verification: according to the laying method, ambient temperature, and number of parallel cables, verify that the allowable current carrying capacity of the cable ≥ the actual maximum operating current, with a redundancy of more than 10% reserved; 2. Voltage drop verification: verify that the line voltage drop of the cable ≤ the maximum allowable voltage drop of the system. For long-distance transmission, the conductor cross section must be increased or low loss materials must be selected; 3. Short circuit current verification: verify that the short circuit thermal stable current of the cable ≥ the maximum short circuit current of the system to ensure that the cable will not be broken down in short circuit scenarios; 4. Signal transmission performance verification: for signal control lines, the capacitance, attenuation and anti-interference performance of the cable must be verified to fully match the signal transmission requirements of the control system and sensors, without signal distortion and excessive attenuation.
Compliance and Supporting Selection	Certification and Test Confirmation	1. It must be confirmed that the target product has a complete factory test report, and the test items cover core indicators such as wear and tear resistance, oil and corrosion resistance, electrical performance, mechanical performance, flame retardant performance, especially bending life test for drag chain scenarios and medium resistance test for corrosion scenarios; 2. For special scenarios such as mines, rail transit, ships, fire emergency, it must be confirmed that the product has corresponding mandatory certifications such as MA/3C/CCS/flame retardant and fire resistance, the certification is within the validity period, and the certification scope covers the selected specifications; 3. Non-standard products without certification and test reports are strictly prohibited, especially in high risk and high dynamic scenarios, which must ensure that the product performance meets the standards.
	Supporting Accessory Selection	1. Special accessories that fully match the voltage grade, specification, material and waterproof grade of the cable must be selected simultaneously, including wiring terminals, connectors, junction boxes, penetration pipes, fixing parts, cable accessories, etc.; 2. For medium voltage cables, special cold shrink/heat shrink accessories of corresponding voltage grade must be selected, and low voltage accessories are strictly prohibited from being replaced; 3. For high flame retardant/fire resistant scenarios, supporting accessories of corresponding flame retardant/fire resistant grade must be selected to ensure the safety performance matching of the whole link; 4. For shielded signal lines, suitable shielded connectors and grounding terminals must be selected to ensure reliable grounding of the shielding layer and up-to-standard anti-interference effect; 5. For underwater/high humidity scenarios, special sealing accessories with matching waterproof grade must be selected to ensure the waterproof sealing performance of the whole link.
	Operation and Maintenance Supporting Confirmation	1. Priority is given to models with large market holdings and strong versatility to ensure convenient later accessory supply and operation and maintenance replacement; 2. Excessively customized non-standard models are avoided to prevent excessive later operation and maintenance costs and replacement difficulties; 3. It is confirmed that the manufacturer has complete after-sales technical support and on-site construction guidance services, especially for high dynamic and high risk scenarios, to ensure the correct installation and use of the cable.

Classification Dimension	Sub-category	Core Definition and Characteristics	Typical Model Examples
By Core Insulation/Sheath Rubber Material (Core Classification)	Natural Rubber (NR) Rubber Sheathed Cable	Uses natural rubber as insulation/sheath material, with excellent elasticity, good flexibility, high mechanical strength and moderate cost. It is the basic material for general-purpose rubber sheathed cables, with long-term operating temperature -50℃~65℃	YQ, YZ, YC, YH
	Chloroprene Rubber (CR) Rubber Sheathed Cable	Uses chloroprene rubber as insulation/sheath material, with excellent weather resistance, ozone resistance, waterproof and flame retardant properties, oil and corrosion resistance, long-term operating temperature -40℃~80℃. It is the main material for outdoor, waterproof and flame retardant scenarios	YQW, YZW, YCW, YHF, W Series
	Nitrile Butadiene Rubber (NBR) Rubber Sheathed Cable	Uses nitrile butadiene rubber as insulation/sheath material, with outstanding oil resistance, wear resistance and tear resistance, resistant to mineral oils such as gasoline, diesel and hydraulic oil, long-term operating temperature -40℃~70℃, suitable for oil stain and strong wear scenarios	YN, YNF, MYP, MY
	Ethylene Propylene Rubber (EPR) Rubber Sheathed Cable	Uses ethylene propylene rubber as insulation/sheath material, with excellent high and low temperature resistance, weather resistance, ozone resistance and insulation performance, long-term operating temperature -50℃~90℃, suitable for outdoor, medium voltage and high altitude scenarios	EPR Series, YEP, MEP, Marine CEFR Series
	Silicone Rubber (MVQ) Rubber Sheathed Cable	Uses silicone rubber as insulation/sheath material, with the best high and low temperature resistance, long-term operating temperature -60℃~180℃, outstanding flexibility, insulation and weather resistance, suitable for extreme high and low temperature and high frequency bending scenarios	YGC, KGG, SGR Series
	Chlorosulfonated Polyethylene (CSM) Rubber Sheathed Cable	Uses chlorosulfonated polyethylene as insulation/sheath material, with excellent weather resistance, ozone resistance, acid and alkali resistance and flame retardant properties, strong chemical corrosion resistance, long-term operating temperature -40℃~85℃, suitable for chemical industry and outdoor strong corrosion scenarios	YSM, CSM Series, Marine CXF Series
	Low Smoke Zero Halogen Flame Retardant Rubber Sheathed Cable	Uses low smoke zero halogen flame retardant rubber as insulation/sheath material, no dripping, low smoke and non-toxic, no corrosive gas release during combustion, flame retardant grade up to Class A of GB 31247, suitable for high safety requirement scenarios	WDZ-YC, WDZ-YZ, MHYV, MKVV
By National Standard Product Series (General Classification)	General Rubber Sheathed Flexible Cable	The core category of GB/T 5013, divided into three grades: light duty, medium duty and heavy duty, with good flexibility, wear and tear resistance, suitable for power supply and control of general industry, building construction and mobile equipment. It is the most widely used general-purpose category	YQ (Light Duty), YQW (Light Duty Outdoor), YZ (Medium Duty), YZW (Medium Duty Outdoor), YC (Heavy Duty), YCW (Heavy Duty Outdoor)
	Electric Welding Machine Cable	Specially developed for electric welding machines, with high flexibility, wear resistance, aging resistance and stable insulation performance, which can withstand high current impact, suitable for the secondary side wiring of electric welding machines	YH, YHF, YH-W, YH-X
	Waterproof Rubber Sheathed Cable for Submersible Motors	Specially designed for submersible motors and submersible pumps, with radial + axial dual waterproof structure, water pressure resistance, corrosion resistance and microbial resistance, waterproof grade up to IPX8, suitable for underwater and humid environments	JHS, JH, QZ, QS Series
	Marine Rubber Sheathed Cable	Complies with ship electrical equipment standards, with seawater corrosion resistance, oil resistance, flame retardancy, vibration resistance and waterproof performance, suitable for power supply and control of ships, yachts and offshore platforms	CEFR, CEF, CXF, CXV Series
	Coal Mine Rubber Sheathed Cable	Complies with coal mine safety standards, with high flame retardancy, explosion-proof, impact resistance and wear resistance, suitable for power supply and signal transmission of underground mining, conveying and control equipment in coal mines	MY, MYP, MYPTJ, MKVV, MHYV Series
	Control Rubber Sheathed Cable	Multi-core structure, good flexibility, anti-interference and stable insulation performance, suitable for industrial automation, equipment control and signal transmission scenarios	KVV, KVVR, KVVP, MKVV Series
	Special Rubber Sheathed Cable for New Energy Vehicles	Oil resistance, temperature resistance, wear resistance, high flexibility and aging resistance, suitable for on-board wiring harnesses, charging piles and battery pack supporting scenarios of new energy vehicles	EVR, EV-C, EV-P Series
By Structural Characteristics	Non-armoured Rubber Sheathed Cable	No metal armouring layer, simple structure, convenient laying, low cost and excellent flexibility, suitable for indoor, equipment, outdoor trench laying without mechanical external impact	YQ, YZ, YC, YH, KVV
	Armoured Rubber Sheathed Cable	Added steel tape/steel wire/aluminum-plastic composite tape armouring layer, with excellent mechanical impact, compression, tensile and puncture resistance, high protection level, suitable for outdoor direct burial, pipe laying, scenarios with mechanical external force/dragging risk	YC22, YZ22, KVV22, MY22, YC32 (Steel Wire Armoured)
	Shielded Rubber Sheathed Cable	Added copper mesh/aluminum foil/tinned copper tape shielding layer, with extremely strong anti-electromagnetic interference and anti-radio frequency interference capability, high signal transmission stability, suitable for industrial control, automation, precision instruments, new energy vehicles and other signal transmission scenarios	KVVP, YVP, YC-P, MKVVP, KVVRP
	High Flexibility Drag Chain Special Rubber Sheathed Cable	Composite structure of multi-strand ultra-fine flexible conductor + high tear resistant rubber insulation + wear-resistant sheath, which can achieve more than 5 million times of repeated bending without fracture, and the minimum bending radius can reach 5 times the cable outer diameter, suitable for high-frequency dynamic scenarios such as drag chains, industrial robots, automated production lines	YC-TR, YZ-TR, KVV-TR, EPR-TR
	Waterproof Submersible Rubber Sheathed Cable	Matched with radial water blocking tape + waterproof sealing sheath + axial waterproof plug composite structure, with waterproof grade up to IPX8, water pressure resistance, corrosion resistance and microbial resistance, suitable for underwater, swimming pool, fountain, marine engineering and other humid/underwater environments	JHS, JH, YQS, YQW-S
	Flame Retardant/Fire Resistant Rubber Sheathed Cable	Matched with high flame retardant low smoke zero halogen sheath + fire resistant mica tape composite structure, with flame retardant grade up to Class A of GB 31247, which can maintain normal power supply for more than 90 minutes in 950℃ flame, suitable for high safety requirement scenarios such as mines, rail transit, fire emergency	ZA-YC, NH-YC, WDZ-YC, N-MY
	Flat Rubber Sheathed Cable	Adopts flat structure design, multi-core wires arranged in parallel, thin thickness, good flexibility, can be laid against the wall, suitable for elevators, traveling cranes, mobile equipment, scenarios with limited installation space	YCB, YZB, KVVB, YCWB
By Rated Voltage Grade	Low Voltage Control Rubber Sheathed Cable	Rated voltage 450/750V, number of cores ranges from 2 to 61, suitable for industrial control, signal transmission, equipment supporting, and is the most widely used general-purpose category	KVV, KVVR, KVVP, MKVV, YQ, YZ
	Low Voltage Power Rubber Sheathed Cable	Rated voltage 0.6/1kV, 1.8/3kV, number of cores ranges from 1 to 5, conductor cross section 1.5mm²~400mm², suitable for industrial low voltage power supply, equipment power supporting, with wear and oil resistance far superior to ordinary power cables	YC, YCW, YH, MY, MYP, YC22
	Medium Voltage Rubber Sheathed Cable	Rated voltage 6kV, 10kV, suitable for industrial medium voltage power supply, underground mine, new energy power station medium voltage transmission. Special medium voltage cable accessories must be matched, with excellent insulation and weather resistance	YC-6kV, YC22-10kV, EPR-10kV, MYPTJ
	High Frequency/RF Rubber Sheathed Cable	Rated voltage 50Ω/75Ω characteristic impedance, adopts solid high-purity silver-plated copper conductor + low density rubber insulation structure, with excellent high-frequency transmission performance, low attenuation and small standing wave ratio, suitable for communication, radar, medical equipment and other high-frequency scenarios	SGR, SGR-50, SGR-75, YGC-RF
By Laying Method	Fixed Laying Rubber Sheathed Cable	Conductor is single strand/7 strand hard conductor, stable structure, high mechanical strength, excellent weather and corrosion resistance, suitable for long-term fixed laying scenarios such as indoor, tunnel, pipeline, outdoor direct burial	YC, YZ, YC22, KVV22, MY
	Mobile Laying Rubber Sheathed Cable	Conductor is multi-strand ultra-fine flexible conductor, excellent flexibility, fatigue fracture resistance, can be bent repeatedly, suitable for equipment movement, drag chain, robot, frequent bending dynamic scenarios, and is the core advantage category of rubber sheathed cables	YC-TR, YZ-TR, KVV-TR, YH, JHS
	High Drop/Vertical Laying Rubber Sheathed Cable	Matched with steel wire armouring + anti-slip structure, excellent tensile and anti-falling performance, strong weather and wear resistance, suitable for high drop vertical laying scenarios in mines and tunnels, and can withstand large axial tensile force	YC32, YZ32, KVV32, MY32
	Outdoor Direct Burial Laying Rubber Sheathed Cable	Matched with steel tape armouring + rodent and ant proof + waterproof sheath composite structure, with a protection level up to IP68, UV resistance, heat and humidity resistance, salt spray resistance, corrosion resistance, suitable for long-term outdoor direct burial laying scenarios	YCW22, YC22, YZ22, KVV22
By Flame Retardant and Fire Resistant Grade	Ordinary Flame Retardant Rubber Sheathed Cable	Flame retardant grade ≥ Class C of GB 31247, no dripping, low smoke, suitable for general industrial scenario flame retardant requirements	YC, YZ, YH, KVV
	High Flame Retardant Rubber Sheathed Cable	Flame retardant grade ≥ Class B of GB 31247, low smoke and non-toxic, no dripping, strong self-extinguishing property, suitable for medium and high risk scenarios such as rail transit, high-rise buildings, mines	ZB-YC, ZB-YZ, ZB-KVV, MYP
	Ultra High Flame Retardant Low Smoke Zero Halogen Rubber Sheathed Cable	Flame retardant grade ≥ Class A of GB 31247, completely non-combustible, no dripping, extremely low smoke density, no toxic gas release, suitable for the highest safety requirement scenarios such as aviation, ships, fire protection, high gas mines	ZA-YC, ZA-YZ, WDZ-YC, WDZ-KVV
	Fire Resistant Rubber Sheathed Cable	Fire resistant grade ≥ Class N of GB 19666, which can maintain normal power supply for more than 90 minutes in 950℃ flame, and also has high flame retardant and high temperature resistance characteristics, suitable for fire emergency, mines, rail transit and other scenarios	NH-YC, NH-YZ, N-MY, N-KVV

Maintenance Level	Maintenance Items	Execution Cycle	Operation Standard	Abnormal Handling Method
Special Protection During Construction Phase (Core Pre-maintenance)	Cable Incoming Acceptance	When the cable enters the site	1. Check the model specification, material, certification certificate and test report of the cable to confirm that it is consistent with the model selection requirements, with focus on checking the wear and tear resistance, oil and corrosion resistance, bending life test report; 2. Check the appearance of the cable, the sheath is free of damage, deformation, aging, bulging, the insulation layer is intact, and there is no trace of moisture, water ingress or frost cracking; 3. Test the insulation resistance of the cable with a megohmmeter, the insulation resistance is ≥10MΩ·km, and there is no short circuit or open circuit; 4. For cables used in high dynamic drag chain scenarios, the special test data of bending life and tear strength must be checked to ensure they meet the standards.	1. If the cable model specification is inconsistent, the material does not match, without certification or core performance test report, it is strictly prohibited to enter the site for use, and must be returned and exchanged immediately; 2. If the cable sheath is damaged, the insulation layer is damaged, moisture/water ingress or frost cracking is found, it is strictly prohibited to use, and must be replaced immediately; 3. If the insulation resistance is not up to standard, short circuit or open circuit is found, it is strictly prohibited to use, and must be replaced immediately.
	Protection During Construction	Throughout the construction period	1. Before cable laying, check that the drag chain, trench, pipeline and cable tray of the laying path are free of sharp objects and burrs to avoid the cable being scratched or punctured during laying; 2. During cable laying, it is strictly prohibited to bend, twist or drag the cable with an excessive small bending radius, and it is strictly prohibited to roll or step on the cable, especially for drag chain and high flexibility cables, to avoid damage to the insulation layer and conductor core breakage; 3. When laying drag chain cables, it must be ensured that the cables are not

Welding Machine Cable

Rubber-Sheathed Cables

Rubber-Sheathed Cables

Short Description:

Product Introduction

Selection Guidelines

Classification standard

Installation and Maintenance Precautions

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Welding Machine Cable

Rubber-Sheathed Cables

Rubber-Sheathed Cables

Short Description:

Product Introduction

Selection Guidelines

Classification standard

Installation and Maintenance Precautions

Product Inquiry

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