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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:% |! ^8 `( ^; q& P; H; G/ O- `7 U
16.39.1 A 12 AWG (3.3 mm) solid-copper, insulated conductor shall be stripped to a0 J F3 d5 o1 w. k
length of 2.5 cm (1 inch) minimum. The wire shall be wrapped around the screw under# O8 V, ^. D8 o8 P/ B" Y
the screw head so that it makes a minimum 180?turn. The conductor shall be seated to" Z+ H$ G% L& C0 ~
follow any wire guides or dimples provided to align the conductor with the mating0 @7 V- `3 f1 s; \
surface. The ground screw shall be tightened with a calibrated torque screwdriver to 1.6& Y) ~. G$ D/ u0 T4 N
N 穖(14 lb-in). |
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