Boxes can be supplied factory prewired with high temperature lead wire protected with armor cable or wire braid.
接线盒可在工厂预先配有高温引线,引线由铠装电缆或金属编织来保护。
3
Cable inner end must use steel nut cap. Lead sealing is required for the sealing between the cable inner head and metal sleeve, which has a good sealing property.