Branch circuits and continuous loads

ORIENT

What this module is for

Assemble a lighting and receptacle branch circuit and apply continuous-load treatment.

PREDICT

Predicting before you experiment is what makes the result stick. There is no penalty for being wrong here.

A 16 A continuous load is placed on a branch circuit. What minimum device rating does the continuous treatment imply?

16 A18 A20 A25 A

EXPERIMENT

Build a branch circuit that includes both continuous and noncontinuous load.

Enter a mixed lighting and receptacle load for one circuit.
Mark the lighting portion as continuous and note how the required rating changes.
Compare the conductor size before and after the continuous adjustment.

CHECK

What defines a continuous load?

Any load on a dedicated circuitA load expected to run for three hours or moreAny load above 80 % of the breaker ratingA motor load

APPLY

Name two loads in a building you know that are continuous and two that are not, and say how you decided.

Your reflection

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