ASTM F968工人保护用电绝缘塑料保护设备
日期:2012-02-08 11:16
mited to, the following:
1.3.1 Conductor guards and connecting covers as follows:
1.3.1.1 Line guards,
1.3.1.2 Line guard connectors,
1.3.1.3 Insulator covers,
1.3.1.4 Dead end covers,
1.3.1.5 Bus guards, and
1.3.1.6 Bus T guards.
1.3.2 Structure and apparatus covers as follows:
1.3.2.1 Pole guards,
1.3.2.2 Ridge pin covers,
1.3.2.3 Switch-blade covers,
1.3.2.4 Arm guards,
1.3.2.5 Cutout covers, and
1.3.2.6 Cross arm guard.
1.4 The values stated in inch-pound units are to be regarded as the stan

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