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UL 1993 g$ E2 t, u3 v! R- c; d
A ballast for high-intensity discharge lamps shall comply with the, N) z n* C- Z% E% C
requirements of UL 1029 and UL 935.
7 O9 l+ [# V/ [/ _6.4.2 A ballast not previously investigated as described in Clause 6.4.1 shall be evaluated in the device." Y2 a" x- M& m% I6 R/ @
The construction requirements of UL 935 or CSA C22.2 No. 74 or NOM-058-SCFI shall apply. See the' h3 d$ u9 M0 c
appropriate standard for details on coil insulation materials, thermal and overcurrent protective. D% ]6 T H4 h# @- R
components, printed wiring boards, and spacing of electrical parts on the printed wiring board.1 t1 G5 ]( I r2 l) t
. p0 E5 A8 Y2 M; r! \6 y
clause 6.6 and table 6.1.
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0 O0 H P! W( d- Y |/ N) p2 [and LED lamp for ul 8750 clause 7.7 and table 7.4。3 f% i8 K; I7 s+ t+ u
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