试题详情

电缆接头的表面阻燃处理。电缆接头应采用防火涂料进行表面阻燃处理,即在接头及其两侧( )和相邻电缆上绕包阻燃带或涂刷防火涂料,涂料总厚度应为( )

A1~1.5m,0.6~0.7mm

B1.5~2m,0.7~0.8mm

C2~2.5m,0.8~0.9mm

D2~3m,0.9~1.0mm