What is the difference between a fireproof bridge and a fireproof bridge?
As if the fire bridge is fireproof, fire-resistant bridge is only a period of time fire resistance
3 * 1 * 0.8 means 3 1 square and 0.8 square core cable. Cable model consists of eight parts: First, the use of code - not marked as power cable, K for the control cable, P for the signal cable; Second, the insulation code -Z oil-impregnated paper, X glue, V PVC, YJ . the inner layer of the code-Q lead package, L aluminum package, H rubber sets, V PVC jacket five, derived code-D No drip, P dry insulation; six, outer jacket code seven, special product code-TH wet tropical, TA dry tropical; eight, rated voltage - unit KV
SC new standard annotation, same with the original G, should be the wire tube, (that is, usually said thick-walled wire tube) is marked as RC, pass the original mark The GG is usually said that the water gas pipe
(PG), stainless steel cable fixing head, copper cable fixed head, plastic cable waterproof connector, wave pipe fittings, and other products (PG (Germany) system, M (public) system, NPT (US) System, G (British) system) and other wiring equipment category.
