Journeyman Electrician's Flashcards
7 cards from real Journeyman Electrician’s Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Journeyman Electrician's flashcards as text
According to the NEC, what is the maximum distance between supports for rigid nonmetallic conduit (PVC) with a trade size of 1 inch?
Answer: 4 feet
NEC Table 352.30(B) requires PVC conduit of 1-inch trade size to be supported at maximum intervals of 4 feet.
What is the maximum number of 90-degree bends permitted in a single conduit run between pull points?
Answer: 4
NEC 358.26 (and similar articles) limit the total bends between pull points to 360 degrees, which equals four 90-degree bends.
Which of the following loads is considered a continuous load for circuit sizing purposes?
Answer: A lighting circuit energized for 8 hours per day
NEC 100 defines a continuous load as one where the maximum current is expected to continue for 3 hours or more; 8 hours of lighting qualifies.
What is the required working clearance in front of a 120/240V panelboard mounted in a residential garage?
Answer: 30 inches
NEC 110.26(A)(1) requires a minimum working clearance of 3 feet (36 inches) in front of electrical equipment rated 120V to 250V, Condition 1.
When calculating service load for a residential dwelling, what demand factor applies to the first 3,000 VA of general lighting load?
Answer: 100%
NEC Table 220.42 requires the first 3,000 VA of general lighting load in a dwelling unit to be calculated at 100% demand factor.
In a commercial location, GFCI protection for 125-volt, 15- and 20-ampere receptacles is required in which area?
Answer: Kitchens, bathrooms, rooftops, and other specified locations
NEC 210.8(B) requires GFCI protection for commercial receptacles in kitchens, bathrooms, rooftops, outdoors, sinks, and other specific locations.
What is the power factor of a purely resistive circuit?
Answer: 1.0
A purely resistive circuit has voltage and current in phase, so the power factor equals 1.0 (unity), meaning all power is real (active) power.