Electrical Construction & Maintenance

Stumped by the Code? Requirements for Identifying the High-Leg of a 3-Phase, 4-Wire Connected System

All questions and answers are based on the 2011 NEC. Q. What kind of marking does the Code require to identify the high-leg of a 3-phase, 4-wire delta connected system? A. On a 4-wire, delta-connected ...
Electrical Construction & Maintenance

Stumped by the Code? Service Neutral Conductor and Panelboard Identification

All questions and answers are based on the 2011 NEC. Q. Is the service neutral conductor allowed to perform bonding between the meter can and disconnect? A. Yes. Electrical continuity at service ...