NCCER Electrical 1 Module 5 Questions
and Answers | Latest Version | 2024/2025
| 100% Pass
What does the NEC specify about conductor ampacity?
✔✔The NEC specifies that conductors must be sized to carry the expected load without
exceeding their maximum allowable temperature.
What is the role of overcurrent protection as described in the NEC?
✔✔Overcurrent protection prevents excessive current from flowing in a circuit, protecting wires
and equipment from overheating and damage.
What does the NEC say about workspace requirements around electrical equipment?
✔✔The NEC requires adequate workspace to ensure safety during maintenance and operation of
electrical equipment.
What is listed equipment, according to the NEC?
✔✔Listed equipment is tested and approved by a recognized testing laboratory, ensuring it meets
safety standards.
1
, What does the NEC require for the installation of electrical boxes?
✔✔Electrical boxes must be securely mounted, sized correctly for the conductors and devices
they house, and made of appropriate materials.
What is the purpose of NEC Article 300?
✔✔Article 300 outlines the requirements for wiring methods, including proper installation,
protection, and securing of wiring systems.
What does the NEC specify about underground wiring?
✔✔Underground wiring must be installed at specific depths and protected from physical damage
to ensure safety and durability.
What does the NEC say about the color coding of wires?
✔✔The NEC specifies wire colors for different functions: black or red for hot wires, white for
neutral, and green or bare for grounding.
What is the purpose of the NEC in electrical work?
✔✔The NEC establishes safety standards and regulations for electrical installations to protect
people and property from electrical hazards.
2
and Answers | Latest Version | 2024/2025
| 100% Pass
What does the NEC specify about conductor ampacity?
✔✔The NEC specifies that conductors must be sized to carry the expected load without
exceeding their maximum allowable temperature.
What is the role of overcurrent protection as described in the NEC?
✔✔Overcurrent protection prevents excessive current from flowing in a circuit, protecting wires
and equipment from overheating and damage.
What does the NEC say about workspace requirements around electrical equipment?
✔✔The NEC requires adequate workspace to ensure safety during maintenance and operation of
electrical equipment.
What is listed equipment, according to the NEC?
✔✔Listed equipment is tested and approved by a recognized testing laboratory, ensuring it meets
safety standards.
1
, What does the NEC require for the installation of electrical boxes?
✔✔Electrical boxes must be securely mounted, sized correctly for the conductors and devices
they house, and made of appropriate materials.
What is the purpose of NEC Article 300?
✔✔Article 300 outlines the requirements for wiring methods, including proper installation,
protection, and securing of wiring systems.
What does the NEC specify about underground wiring?
✔✔Underground wiring must be installed at specific depths and protected from physical damage
to ensure safety and durability.
What does the NEC say about the color coding of wires?
✔✔The NEC specifies wire colors for different functions: black or red for hot wires, white for
neutral, and green or bare for grounding.
What is the purpose of the NEC in electrical work?
✔✔The NEC establishes safety standards and regulations for electrical installations to protect
people and property from electrical hazards.
2
