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4.14.6 Plug-ballast/transformers and mains socket-outlet-mounted luminaires shall not impose g; P2 @( j* x7 K7 l
undue strain on socket-outlets./ T" X* \, [$ V+ g8 `
Compliance is checked by the following test. The plug-ballast/transformer or mains socketoutlet-- _7 b n0 o7 f. a- {/ h
mounted luminaire is inserted, as in normal use, into a fixed socket-outlet pivoted about& `) [. k/ E8 y% q0 z& X: B5 u3 M
a horizontal axis through the centre lines of the contact tubes at a distance of 8 mm behind the+ Y5 O, ^9 Y# l3 y) E3 S
engagement face of the socket-outlet.% x a- Z$ f, E
The additional torque which has to be applied to the socket-outlet to maintain the engagement n+ O6 E* c8 ~, _3 u
face in the vertical plane shall not exceed 0,25 Nm.
) t Y8 M- `4 S& t; XFor adjustable mains socket-outlet-mounted luminaires, the total torque transmitted to the
8 r3 o( i. z, p9 M" Isocket-outlet during adjustment shall not exceed 0,5 Nm.7 B A; L' s! X3 H5 n
The socket-outlet used for the test shall have the earth contact (if any) removed unless the
4 {. i4 _# C. n8 N: Ysocket has shuttered pin receptacles that are uncovered by the action of inserting the earth3 S' {/ g! v N$ u# ]$ }
pin.
]. }5 \& i2 I y* x) G1 T防水式的插头式变压器，见图，测扭矩时，以哪个平面为零位（中心平面）？平面1，为插入到普通插座上的接合面，平面2为插入到防水插座时的一个支点，哪个才是对的？
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发表于 2012-10-22 15:01
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