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|
4.1.4.7 The connection of an accessible part to live parts, including a supply conductor, to facilitate the
( @/ O8 f/ g3 A% K: Idischarge of static electricity shall comply with the following:
+ ^- P+ x* ~4 f( b% I- va) a minimum of two resistors connected in series shall be employed;
5 h9 n7 E( a5 j( Z* m& zb) the resistors shall comply with the applicable requirements in UL 1676, and CSA IEC E65-- _6 m6 q e- X1 i* K: s
94-CAN;* r$ q0 O$ U m# m
c) for the tests described in Clauses 5.3, 5.4, 5.5, and 6.12, one resistor at a time is to be- O+ d" M) h- r% Z: F+ Q* ~
shorted; and; U/ ^# V" F; E; B2 ^: ~
d) for the test described in Clauses 5.11 and 6.13, as applicable, the lead of the resistor$ M" M% X3 ^5 Y3 M* O( n, d
connected to the accessible part is to be disconnected.
$ Q+ k$ Q; Z2 t' t: W- I* LTo determine compliance with the remaining requirements in this Standard, the resistors and associated
) z3 S: m* B* fcircuitry shall be investigated as live parts. The lead of the resistor connected to the accessible parts shall
9 g' x( @* s) U6 A5 Y, ybe investigated as a dead metal part.: r g2 z9 o, [/ v+ K
$ ~# ~! ^! o. v- Y- `5 F5 y
+ @* v2 B! ~* c0 n3 K' T4.5 Current-carrying parts3 Y5 L. Z- L; b: ?5 T* R
4.5.1 A current-carrying part shall be of | silver, copper, a copper alloy, stainless steel or other similar metal |
acceptable for the application.3 f7 k) z0 D+ l l: R) K, D
4.5.2 Ordinary iron or steel shall not be used as a current-carrying part.3 P5 F' R5 c! E' D( w
Exception: Ordinary iron or steel provided with a corrosion-resistant coating may be used for a S/ A# |# i/ C2 b- ^4 F4 Y* C
current-carrying part if acceptable in accordance with Clause 3.1. |
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