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Mini quiz · Lesson 01
NEC Code Deep Dive — Branch Circuits & Box Fill
Question 01 / 06
A 20A branch circuit requires what conductor size minimum?
Question 02 / 06
In NEC box-fill calculations, a duplex receptacle counts as:
Question 03 / 06
GFCI protection is required in 2023 NEC for:
Question 04 / 06
Tamper-resistant receptacles in dwelling units have been required since:
Question 05 / 06
Required clear working space in front of a panel is:
Question 06 / 06
CASE: You wired a kitchen island, two duplex receptacles GFCI-protected. Inspector fails it. The receptacles are TR-rated. The box is a 4x4 deep with 4 conductors (two #12 hots, two #12 neutrals, one #12 ground), and two devices. Box volume is 18 cu in. Why did it fail?
0 / 6 answered