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UL 1993 / J% k+ H$ C' u: \6 Y
A ballast for high-intensity discharge lamps shall comply with the
; W' b' n8 m$ T" v# I. z" f" ]requirements of UL 1029 and UL 935.9 g+ s1 \4 X0 u2 K
6.4.2 A ballast not previously investigated as described in Clause 6.4.1 shall be evaluated in the device.
1 x: X% q; Q) v: AThe construction requirements of UL 935 or CSA C22.2 No. 74 or NOM-058-SCFI shall apply. See the& o' R2 T5 l, Y2 K- ~
appropriate standard for details on coil insulation materials, thermal and overcurrent protective8 u3 ~& m* \# G; B6 D
components, printed wiring boards, and spacing of electrical parts on the printed wiring board.7 t+ l% T2 X2 e0 @$ M; M% N
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clause 6.6 and table 6.1.
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8 \6 t' u, y& E+ V0 K `% r3 rand LED lamp for ul 8750 clause 7.7 and table 7.4。6 P: |( _+ Q/ p0 P0 r- D
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