NECB Part 7: Electrical Power Systems and Motors

7.2.1.1. Voltage Drop. Feeders and branch circuits shall be sized to minimize voltage drop and energy loss in the electrical distribution system.

7.2.2.1. Transformers. Transformers shall meet the prescribed minimum efficiency ratings to reduce energy loss during power conversion.

7.2.3.1. Motors. Electric motors shall meet the prescribed minimum efficiency ratings for their specific application and capacity.

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