1. What are the requirements for fire blocking of cable holes? Answer: For larger cable penetration holes, such as the cable penetration floor, when using fireproof blocking materials to block, according to the actual situation, first apply four to six layers of fireproof paint on the cable surface, the length is about 1.5m below the … Read more
Power cables are cables used to transmit or distribute high-power electrical energy in power systems. With the great development of the petrochemical industry worldwide, medium and low voltage extruded insulated power cables have become an important variety of wires and cables due to their simple structure, convenient manufacturing and processing, and convenient construction and maintenance. … Read more