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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 u2 j# G i" b# w' R# B16.39.1 A 12 AWG (3.3 mm) solid-copper, insulated conductor shall be stripped to a( s6 d: f) J6 O4 s2 D
length of 2.5 cm (1 inch) minimum. The wire shall be wrapped around the screw under
/ K7 O8 ?( F, j4 @" {" X/ nthe screw head so that it makes a minimum 180?turn. The conductor shall be seated to
. P( i4 | [; H( l& {: Qfollow any wire guides or dimples provided to align the conductor with the mating" l0 B6 W3 J6 `1 a, r# \ J# \
surface. The ground screw shall be tightened with a calibrated torque screwdriver to 1.6! i$ ~1 _5 w0 K: |" ~6 @% X$ S
N 穖(14 lb-in). |
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