May/June 2013

What is Grounding?

What is grounding? Let's discuss a number of permissible grounding requirements and methods covered by the Canadian Electrical Code.

Rooftop Wiring Temperature — Field Installation Experiment

Residential Service Calculations in the National Electrical Code

Are there any provisions in the NEC that address the de-energizing of rooftop photovoltaic (PV) wiring in an emergency situation for first responder emergency personnel?

What’s Happening to Table 310.15(B)(7)?