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

1、Application  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.

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

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

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

Table 3: Requirements for the bundle flame-retardant characteristic