Licensed Electrical Contractor Electrical Codes & Standards 5

Question 1

Under NEC 700.12, legally required standby systems must restore power within how many seconds after loss of normal supply?

Accepted Answer

30 seconds

Answer

NEC 700.12 requires emergency systems (Article 700) to restore power within 10 seconds, while legally required standby (Article 701) restores within 60 seconds.

Question 2

NEC 406.9(B) requires all 15- and 20-ampere receptacles installed in wet locations to be listed as what type?

Accepted Answer

Weather-resistant and GFCI protected

Answer

NEC 406.9(B)(1) requires receptacles in wet locations to be listed as weather-resistant AND be GFCI protected.

Question 3

According to NEC 501.15, in Class I, Division 1 hazardous locations, what type of conduit seal is required within 18 inches of an enclosure?

Accepted Answer

A conduit seal fitting filled with sealing compound

Answer

NEC 501.15(A)(1) requires a conduit seal fitting with sealing compound within 18 inches of any enclosure in Class I, Division 1 locations.

Question 4

NEC 210.8(A)(2) requires GFCI protection for all 125-volt receptacles installed in which specific dwelling unit location?

Accepted Answer

Garages and grade-level portions of unfinished accessory buildings

Answer

NEC 210.8(A)(2) specifies GFCI protection for receptacles in garages and grade-level portions of unfinished or finished accessory buildings.

Question 5

Under NEC 358.26, the maximum number of 90-degree bends between pull points in EMT conduit is:

Accepted Answer

Four 90-degree bends

Answer

NEC 358.26 limits EMT installations to a maximum of four quarter-bends (360 degrees total) between pull points.

Licensed Electrical Contractor Practice Test

Licensed Electrical Contractor Practice Test

Licensed Electrical Contractor Electrical Codes & Standards 5