CEI Branch Circuit & Feeder Inspection

Question 1

Which NEC article specifically covers the installation requirements for branch circuits in dwelling units and commercial buildings?

Accepted Answer

Article 210

Answer

Article 200

Answer

Article 215

Answer

Article 220

Question 2

What is the maximum load permitted on a 20-ampere branch circuit that supplies continuous loads, per the 80% rule?

Accepted Answer

16 amperes

Answer

20 amperes

Answer

24 amperes

Answer

18 amperes

Question 3

Per NEC 210.11(C)(1), how many small appliance branch circuits are required to serve the kitchen receptacle outlets in a dwelling unit?

Accepted Answer

Two 20-ampere circuits

Answer

One 20-ampere circuit

Answer

Three 15-ampere circuits

Answer

One 30-ampere circuit

Question 4

What is the minimum conductor size (AWG copper) permitted for a 20-ampere branch circuit?

Accepted Answer

12 AWG

Answer

14 AWG

Answer

10 AWG

Answer

8 AWG

Question 5

Per NEC Article 100, an individual branch circuit is defined as one that:

Accepted Answer

Supplies only one piece of utilization equipment

Answer

Serves two or more outlets simultaneously

Answer

Has no overcurrent protection device

Answer

Uses a multi-wire configuration

Question 6

Combination-type AFCI protection is required by the 2020 NEC for 120-volt, 15- and 20-ampere branch circuits in which locations of a dwelling unit?

Accepted Answer

All habitable rooms and specified areas

Answer

Garages and unfinished basements only

Answer

Kitchens and bathrooms only

Answer

Bedrooms only

Question 7

What is the maximum overcurrent device rating permitted for a 15-ampere branch circuit per NEC 210.3?

Accepted Answer

15 amperes

Answer

20 amperes

Answer

25 amperes

Answer

30 amperes