The Gatherings of IAEI Communities

I look forward to each fall and my travels to the Section Meetings.  For the benefit of those who have never attended, or for...

Grounding terminology and grounding requirements — is there a reason to...

Quite often Code users ask, “Is there a difference between a grounding conductor and ground grid conductor?”  Or, “Is there a difference between a...

Where are Smoke Alarms in the NEC?

Every so often, I receive a phone call inquiring where to find the requirements for smoke alarms for single-family dwellings in the National Electric...

Solar Photovoltaic Rooftop Safety and Structural Issues Addressed in new SPE-900...

The popularity of solar photovoltaic rooftops has created a need for guidance on their installations, given many building codes in Canada do not address relevant photovoltaic...

Anatomy of a High Rise

This article will take you through the electrical construction of a nine-story high-rise structure with parking at three floors down and four floors up....

Load Side PV Connections

Through the exceptional efforts of the members of NFPA NEC Code-Making Panel 4 working with the proposals and comments that were submitted for the...

NEC and Worker Safety

The National Electrical Code (NEC) is a document that seeks the practical safeguarding of persons and property from hazards arising from the use of electricity. We...

The Terminator: Devil’s in the Details

Sometimes we have a tendency to focus on the complex and assume the basics are common knowledge. A task like terminating conductors just may...

Arc Energy Reduction

Now that the 2014 edition of the National Electrical Code® (NEC®) has been published let’s look at what’s new in the requirement for arc...

The Case for Advanced High Resistance Grounding

The decision on which grounding system to employ has a direct and quantifiable impact on electrical safety and reliability. As the table below indicates,...