ICC R3 practice test

ICC R3 · Question 1 of 2550:00

Electrical

A fictional plan for a 3,200 sq ft house shows a 100 amp service. The house has an electric range, an electric dryer, a heat pump and a vehicle charger, and the set has no load calculation. What should the examiner do?

Press A-D or 1-4 to choose an answer while this question is on screen.

Accept it, with 100 amps taken as the standard size for a single-family house of this kindSize the service from the floor area, with square footage taken as setting the loadTreat 100 amps as adequate if the largest single appliance fits within it, with every other load assumed not to run togetherRequest a worksheet adding up the demand of every connected load against the service rating

Plumb is off during timed tests. On the free 10-question check and in untimed course practice, Plumb walks you through your answers.

Every question is original and written to International Code Council's published content outline, and every explanation cites the code section or source it relies on.