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。
Open poles at the top or bottom of the distribution box according to the cable or wire direction and the cable tray specification.
根据进出电缆电线的方向及桥架的规格，在配电箱的顶部或底部开孔。 配电箱的所有开孔处须用。
A. Manufacturer's name, year and month of manufacture and logo of testing laboratory shall be marked on outer surface of the cable or wire.
制造商名称，制造和测试实验室的标志年份和月份的电缆或电线的外表面应标明。
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