Electrical Safety Authority's Unsafe Products Response Strategy
by Tatjana Dinic, P. Eng.
As part of its mandate ESA is given the authority to enforce the Ontario Electrical Safety Code (OESC), which defines the standard for safe electrical products and installations in Ontario, and when followed, protects public, workers, contractors and business owners.
Be Prepared for Alternative Minimum Tax
by Jessie Abercrombie
Many electrical contractors and inspectors probably were not that familiar with the alternative minimum tax (AMT) a few years ago. However, in the past few years things have really changed. Even the name may trigger a lot of speculation.
Voltage-Drop Requirements Cannot Be Ignored
by Michael Weitzel
This article will address voltage-drop requirements found in the NEC, formulas for determining the amount of voltage drop on a feeder or branch circuit, some considerations for terminations of larger conductors, and the proper sizing of equipment grounding conductors for installations where voltage drop is a factor.
Perspectives on PV: The Development of Codes, Standards, and PV Equipment—How are they related? 
by John Wiles
PV equipment, safety standards, and electrical codes are not developed in a vacuum. How are PV equipment, PV standards, and PV codes related and how are they developed? Yes, there is a little “chicken or egg” in the process since the development of all three is an interactive process.
Getting Down to Earth
by Michael J. Johnston
This article provides a look at extensive work completed over a period of approximately one year that resulted in significant improvements in understandability and usability in the NEC specifically related to grounding and bonding rules.
|
