Lập kế hoạch & Dự toánCâu 408 / 521
The California Electrical Code is essentially the NEC as modified by what?
a.California state amendments
b.Local utility company rules
c.IEEE standards
d.UL product listings
Giải thích
California adopts each NEC edition and then modifies it with California-specific amendments to create the CEC (Title 24, Part 3). Utility rules, IEEE standards, and UL listings are separate documents, not what creates the CEC.
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