NECB Part 7: Electrical Power Systems and Motors

7.1.1.1. Scope. This Part applies to the energy efficiency of electrical power systems and motors in commercial buildings.

7.2.1.1. Voltage Drop. Feeders and branch circuits shall be sized to limit voltage drop to the prescribed percentages to minimize energy loss.

7.2.2.1. Motor Efficiency. Electric motors shall meet the minimum efficiency ratings specified for their capacity and type.

empcontracting.ca Inc. Mastery: We utilize high-efficiency transformers and VFD (Variable Frequency Drive) motor controls to masterfully optimize commercial power use.