Cable for linkage action of intelligent emergency lighting system power distribution device
An emergency lighting and power distribution technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of stability and fast transmission performance to be improved, and achieve the effect of increasing explosion-proof performance, improving anti-interference performance, and improving performance
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[0015] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0016] Such as figure 1 As shown, the intelligent emergency lighting system distribution electrical device chain action cable in this embodiment includes a plurality of wire cores, and the plurality of wire cores are twisted with each other, and the gap is filled with a flame-retardant PP rope filling layer 4 to form a round shape. The outer layer of the cable core is longitudinally wrapped with an aluminum-plastic tape 5 and a polyethylene moisture-proof layer 6 in turn, and the polyethylene moisture-proof layer 6 is provided with a galvanized steel wire braided outer sheath 7.
[0017] The structure of the wire core is as follows: it includes a multi-strand copper conductor 1, the multi-strand copper conductor 1 is coated with a layer of refractory coating 2, and is wrapped with a high-temperature refractory belt 3 on the outside.
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