Electrical Apprenticeship Technology 2 (T2) Phase 4 Practice Exam

Differentiate between branch circuits and feeders.

Branch circuits carry power from service equipment to distribution points. Branch circuits deliver power to outlets and lights. Feeders deliver power to outlets and lights. Feeders terminate at individual devices in a room.

Correct Answer:

Branch circuits deliver power to outlets and lights.

Explanation:

Branch circuits are the paths that take electrical power from a distribution point, like a panel, to the final loads such as outlets, lighting fixtures, and other devices. Feeders are the larger runs that carry power from service equipment to distribution points or panels, where multiple branch circuits originate. So the statement that branch circuits deliver power to outlets and lights correctly describes their role, because they are the lines that actually reach and serve the individual devices. Feeders, in contrast, don’t terminate at individual devices; they end at panels or distribution equipment and are sized to carry power to those points, from which branch circuits branch out.

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