PC Electrical Codes & Standards 3

Question 1

According to NEC 240.4, what is the standard overcurrent protection for 14 AWG copper conductors?

Accepted Answer

15 amperes

Answer

NEC 240.4(D)(3) limits overcurrent protection for 14 AWG copper wire to a maximum of 15 amperes.

Question 2

What does NEC Article 680 cover?

Accepted Answer

Swimming pools and similar installations

Answer

NEC Article 680 covers the installation of electrical wiring and equipment for swimming pools, fountains, and similar water features.

Question 3

Under NEC 210.8, GFCI protection is required for receptacles in which residential location?

Accepted Answer

Bathrooms

Answer

NEC 210.8(A) requires GFCI protection for all receptacles in bathrooms of dwelling units.

Question 4

What is the minimum wire bending space required at the terminals of a 200A panelboard per NEC 312.6?

Accepted Answer

4 inches

Answer

NEC Table 312.6(A) requires a minimum of 4 inches of bending space for conductors sized 3/0 AWG and smaller at 200A terminals.

Question 5

Which NEC article covers wiring methods and materials for raceways, cables, and enclosures?

Accepted Answer

Article 300

Answer

NEC Article 300 provides general requirements for wiring methods and materials applicable to all wiring installations.

(PC) Professional Electrical Contractor Practice Test