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UL 1993 . Y3 R* I1 ?' [4 v- d+ s
A ballast for high-intensity discharge lamps shall comply with the
0 I' k; Y# }" U' F m' c: e7 d- `requirements of UL 1029 and UL 935.* G6 w( ?. ^/ ~& p4 S1 ^5 `! `+ ~
6.4.2 A ballast not previously investigated as described in Clause 6.4.1 shall be evaluated in the device.
0 e% L {; ~5 a* A: HThe construction requirements of UL 935 or CSA C22.2 No. 74 or NOM-058-SCFI shall apply. See the
7 g# c# x* u* U" K) _appropriate standard for details on coil insulation materials, thermal and overcurrent protective1 L) L6 E7 `4 J5 t# P, t
components, printed wiring boards, and spacing of electrical parts on the printed wiring board.5 ]0 ?: q& o4 I
4 T ^! P9 Q$ E0 L4 Wclause 6.6 and table 6.1. $ Y4 I8 K, {1 H g' }$ S6 b
8 v$ b5 o( O1 K1 n5 T! o8 xand LED lamp for ul 8750 clause 7.7 and table 7.4。
* V. Q" D( E/ {4 d; H" r. B. n2 l
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