The protective lead sheet of the power cable is damaged during laying or the cable insulation is mechanically damaged during operation, which causes the insulation breakdown between the cables or between the lead sheets, and the resulting arc causes the i
After the cable is overheated, if the cause is not found and the fault is eliminated in time, the insulation thermal aging phenomenon will occur after the cable is continuously energized and operated, resulting in the phenomenon of phase-to-phase short-ci
In my country's power industry, common voltage levels are 220V, 380V, 1000V, 10000V, 35000V, 110000V, 220000V, 500000V, etc. Medium and low voltage cables: (generally refers to 35KV and below): high voltage polyethylene insulated cables, high voltage poly
The flame retardant cable is a kind of fire-resistant cable with better functions. It is made of copper core, copper sheath and magnesium oxide insulating material, referred to as MI (minerlinsulated cables) cable.
For example, the number of meters marked on the wire you bought is 100 meters, but some profiteers have underestimated 10 meters. For example, after 30 meters, start to mark 40 meters, and look at its length when buying.
Rubber is divided into natural rubber and synthetic rubber. Natural rubber is a high polymer of isoprene, and synthetic rubbers generally include cis-butadiene rubber, neoprene, styrene-butadiene rubber, etc. After cross-linking treatment, the rubber can
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Author: Joey 
September 07,2022 
