NEC Code Flashcard for Grade 13

Front

Which chapter of the NEC 2023 contains general requirements for electrical installations?

Back

Chapter 1

Front

What is the minimum copper conductor size permitted for branch circuits according to NEC 2023?

Back

14 AWG

Front

Which color is typically used for the equipment grounding conductor in the United States as per NEC 2023?

Back

Green

Front

According to NEC 2023, what is the primary function of an overcurrent protection device?

Back

To prevent excessive current

Front

Which article of the NEC 2023 covers wiring methods?

Back

Article 300

Front

A 20-ampere branch circuit is to be installed in a dwelling unit. According to NEC 2023, which of the following wire sizes is the minimum allowed for copper conductors? Options: 10 AWG, 12 AWG, 14 AWG, 16 AWG

Back

12 AWG

Front

If a nonmetallic-sheathed cable is to be run through a wood stud, what must be done to protect the cable from physical damage as per NEC 2023?

Back

Use a metal plate if the cable is less than 1 1/4 inches from the edge.

Front

Which of the following is a requirement for proper bonding of metal water piping systems according to NEC 2023? Bonding must be made within 5 feet of entering the building, Bonding is not required, Bonding must be made at the farthest point from entry, Only plastic pipes need bonding

Back

Bonding must be made within 5 feet of entering the building

Front

A 15-ampere circuit is protected by a circuit breaker. According to NEC 2023, what is the maximum number of 120-volt duplex receptacles that can be installed on this circuit in a commercial office space?

Back

12

Front

When designing a lighting circuit, which NEC 2023 requirement must be considered to prevent overloading the circuit? Options: The color of the wire insulation, The total connected load should not exceed the ampacity of the circuit, The number of switches, The type of light bulbs used

Back

The total connected load should not exceed the ampacity of the circuit