Description to Flame-retardant and Fire Resistant Wires & Cables

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Product Description:

Flame-retardant  and fire resistant wires and cables include product with halogen,  without halogen, low smoke etc. These are suitable for the places that  have a high requirement for the fireproofing.

Description of the type composition

The  name of the flame-retardant and fireproof wire and cable is consisted  of the code of the burning characteristic and the code of the  specification.



Sample of the description

Sample  1: cable with copper core PE insulation, copper wire braid twisted  shielding, PVC sheath category C flame retardant computer cable, 4  pairs, with cross-section of 1.0 mm2 with voltage of 300/500Vshall be expressed as ZC-DJYPV  4×2×1.0;

Sample 2: control cable with PVC and insulation and sheath fire resistant, 7 core and with cross-section of 1.0 mm2 shall be expressed as N-KVV  450/750V  7×1.0;

Sample  3: power cable with XLPE insulation LOSH category B flame retardant PO  sheath with voltage of 0.6/1kV, 3+1 core, with cross-section of the main  core of 95 mm2 and with cross-section of the earthing core of 50 mm2 hall be expressed as WDZB-YJY  0.6/1kV  3×95+1×50;

Sample  4: fire resistant power cable with XLPE insulation LOSH category B  flame retardant PO sheath with voltage of 6/10kV, 3 core, with nominal  cross-section of 150 mm2 hall be expressed as WDZBN-YJY  6/10kV  3×150.

Flame-retardant characteristics

1Application  characteristics: The fire will not spread when the product gets fire.  It is suitable for nuclear power plants, underground establishments,  tunnels, tall buildings and broadcast & television stations etc.

2The single flame-retardant performance should comply with the table 2 below.

  Table 2: flame-retardant characteristics requirement for the single core cable



time of giving fire


qualified requirement

test method










the burnt range shall not be out of 50mm to 540mm to the soffit of the upper nip




3The bundle flame-retardant characteristic should comply with regulation of table 3 below.

Table 3: Requirements for the bundle flame-retardant characteristic


non-metal material volume of the sample


time of giving fire


qualified requirements

test method













①carbonized part can not be out of 2.5 m up to the down side of the muzzle

②time of burning with flame in the sample shall not exceed 1 hour after stopping giving fire.



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Q:Whether high voltage cables can be built in belt corridors
Power cable accessories are divided into several types, commonly used is heat shrink cable accessories, cold shrink cable accessories. (1KV, 10KV, 20KV, 35KV), several models (indoor, outdoor, intermediate connection), each containing the components are not the same, but there are all kinds of cold Heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable sleeve, heat shrinkable tube, sealant and other operating accessories.
Q:What does ZR-YJV 6mm2 * 3 cable mean?
4S shop is a single-brand car franchise model with "four in one" as the core, including vehicle sales (SALE), spare parts (SPAREPART), after-sales service (SERVICE), information feedback (SURVEY)
Q:Ipad charge does not enter the charge does not support this accessory charge
You ask this is too professional, it is difficult to answer, to ask the air conditioning technical staff Caixing.
Q:1.2 meters below the road can use pvc tube wear armor cable?
The former bv4 square copper wire is a single strand of hard copper wire, the latter BV4 square copper wire is multi-strand soft copper wire. Core (coredwire), with steel sheath for the outer tube filled with iron alloy powder to do core material, cross-section for the circular or rectangular line body. Also known as cored wire. It is used as a steel-making furnace outside the refining of the feed method to add refining agent and alloying agent. Can be directly added to the deep steel, the molten steel for deoxidation, desulfurization, degassing and non-metallic inclusions denatured treatment, to eliminate the aluminum deoxidized steel in the continuous casting steel | iron when the nozzle plugging the problem. As the deep addition of alloying elements in the molten steel, so the alloying element recovery rate is high and stable, the steel components can be fine-tuned to the best range. The reproducibility of the results is good.
Q:How long is the service life of the cable?
cable bridge and other pipes and other facilities shall not share a column (bracket)
Q:Cable zc_y v22 what does it mean
No problem with the copper, the home is no problem as if you take a twisted pair as a telephone line KVV with BV material, the process is not much difference in the production...
Q:Hello, ask about how to charge the electric car at home, use a few square millimeters of wire? How high is the demand for family lines, thank you!
What is the current good computer configuration on the market? The price of 4000 yuan or so no more than 4000 assembly parts to write down the price Thank you.
Q:Pvc threading tube packaging film how to do attractive, on the grade it? Thank you great god
The control cable that transmits the differential signal, the cable core needs to be stranded. The other with the same general control cable. Search for "Industrial Automation Integrated Cable Solutions".
Q:How high voltage armored power cable is grounded
When the armor leads directly to ground to buy the cable terminal, the manual has a specific production process
Q:What is the power cable accessories used to do?
When using power, standby power, basically no radiation, can be considered negligible

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