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UL1598对于接地螺丝的扭矩测试是要求用一根12号线缠绕接地螺丝180度再测试的,你可以参考下:( ^# v, r8 T% N' N# d3 C) ]
16.39.1 A 12 AWG (3.3 mm) solid-copper, insulated conductor shall be stripped to a# ]3 Z, U$ ]$ }3 \; e
length of 2.5 cm (1 inch) minimum. The wire shall be wrapped around the screw under, t$ r |& m7 _
the screw head so that it makes a minimum 180?turn. The conductor shall be seated to
4 m9 _! Z I4 |, e- Ifollow any wire guides or dimples provided to align the conductor with the mating
0 O" h9 C! |7 b! ^surface. The ground screw shall be tightened with a calibrated torque screwdriver to 1.68 c$ @' h. b; k7 W7 V' V
N 穖(14 lb-in). |
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