|
fasten 发表于 2018-5-13 20:39. W4 ]% K+ L& c8 \( {( A2 s" N- @
6.14 Grounding and bonding
1 @- N4 Q c( d6 r# [6.14.1 General
$ J# h K. n/ p6.14.1.1 Non-current-carrying metal parts and metallized ...
8 Y- o- H6 R: E再摘录EN60598来看,要求几乎类似:! K5 p0 I- K) D; b8 L
7.2 Provision for earthing: _* |/ ~5 f4 B8 X
7.2.1 Metal parts of class I luminaires which are accessible when the luminaire has been! q5 P8 T% U9 [! H' w) n6 h
mounted, or is opened for replacement of a replaceable light source or replaceable starter or5 d3 w9 V: j, q$ _. U1 C
for cleaning purposes, and which may become live in the event of an insulation fault, shall be5 X& W7 I1 T: f! r+ e) h
permanently and reliably connected to an earthing terminal or earthing contact.
* q( x) m5 _1 \: VMetal parts screened from live parts by metal parts which are connected to the earthing( Z& G3 R) H3 a, q- C) |
terminal or earthing contact, and metal parts separated from live parts by double insulation or
. k- H/ s, s# @: |4 \. Qby reinforced insulation, are not, for the purpose of this requirement, regarded as likely to
5 G, Y+ T. A, U) _( D5 jbecome live in the event of an insulation fault.
; Q2 a2 w5 [ ^' b
( x8 ~/ g4 R+ L$ ` |
|