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It application to electrical appliance, instrument and telecom device with rated voltage up to and including 450/750 volts.
The main features of the flame retardant PVC cable or wire is hard to get fire or that the continuous burning of cables is very limited when it is on fire. It applies to the places with special demands for flame retardant property. Flame retardant cable is classified as class A,B or C. Amongst the 3 class, class A is best, while C worst.
Fire-resistance cable can operate normally for some time when it is burning except that it can transmit electrical power under normal condition. It is used in the places with special demands for fire resistance property.
The Main Feature of Cable(wire)
Rated voltage Uo/U is 450/750 volt, 300/500 volt or 300/300 volt.
Permissible continuous working temperature of cable conductor
——for type of cable RV-105 and BV-105, the temp-erature should be less than 105℃
——for others, the temperature should be less than 70℃.
Ambient temperature should be not less than 0℃, and permissible bending radius of cable for fixed connecting should be as follows during installation.
——for O.D. less than 25 millimeter, equal to or greater than 4 time O.D.
——for O.D. less than 25 millimeter, equal to or greater than 6 time O.D.
Flame retardant cable should pass the test of bunched cables or wires under fire conditions which is described in the standards of GB/T 18380.3-2001.
Fire resistance cable should pass the test of fire resistance stipulated in the standards of GB/T 19216.21-2003.
