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我觉得你要先理解这两个定义:
. X( w, |$ V" O/ `Luminaire, recessed finishing section – the portion of the luminaire that consists of the recessed' C# _8 c/ u, M6 ~; y& Q
housing or the lampholder, or both, that is necessary to complete the luminaire., w$ c4 g0 m( E' V, b
Luminaire, recessed rough-in section – the portion of the luminaire that includes all electrical parts and
4 E$ C; v' e& Q& ?, zwiring to which the branch circuit shall be connected but may not be provided with the recessed housing or the lampholder, or both |
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