Planning & EstimatingQuestion 417 of 521

The NEC is updated on a three-year cycle. The 2023 NEC directly follows which prior edition?

a.2017 NEC
b.2020 NEC
c.2014 NEC
d.There is no prior edition

Explanation

On the three-year cycle, the edition immediately before the 2023 NEC is the 2020 NEC. The 2017 and 2014 editions are earlier cycles, not the one directly preceding 2023.

Practice all 521 questions free — no signup required.

Related questions on this topic

Last reviewed: · editorial process

PrepPass Editorial Team · Verified against California CSLB C-10 Electrical Trade Examination · How we review
Report