单项选择题
A.0.6m B.0.7m C.0.75m D.0.8m
A.0.8m,1.8m B.1.8m,0.8m C.0.5m,0.8m D.1.8m,1.5m
A.5m B.5.5m C.6m D.6.5m
A.6 B.7 C.8 D.9
A.6V B.12V C.24V D.36V
A.10A B.1A C.10mA D.2mA
A.一般不得 B.严禁 C.不宜 D.可以
A.IP00 B.IP2X C.IP3X D.IP4X
A.不应小于相应保护线截面的一半; B.大于25mm2; C.不得小于6mm2; D.采用铜导线。
A.16mm2 B.10mm2 C.6mm2 D.4mm2
A.5 B.2 C.3 D.4