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( )
A.1~1.5m,0.6~0.7mm B.1.5~2m,0.7~0.8mm C.2~2.5m,0.8~0.9mm D.2~3m,0.9~1.0mm正确答案D
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( )
A.1~1.5m,0.6~0.7mm B.1.5~2m,0.7~0.8mm C.2~2.5m,0.8~0.9mm D.2~3m,0.9~1.0mm正确答案D