Lập kế hoạch & Dự toánCâu 383 / 521
In the normal permit and inspection sequence, when is the final electrical inspection performed?
a.Before rough-in wiring
b.Before trenching for the service
c.Before the panel is installed
d.After all work is complete, before the system is used or occupied
Giải thích
The final inspection occurs after all devices, trim, and the panel are complete and just before the system is energized for use or the building is occupied. It is the last step, not something done before rough-in, trenching, or panel installation.
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