David Pilon

David Pilon

July 27, 2018 — For the first time in the CE Code (2018 ed.), a unit substation is defined as an integrated unit consisting of one or more transformers, disconnecting means, overcorrect devices and other associated equipment, each contained in an enclosure designed and constructed to restrict access to live parts (Rule 26-240).
May 10, 2018 — Grounding around high voltage is very important; we ground not only for touch and step potentials, but to ensure equipotentiality within the installation.
February 26, 2018 — What is a separately derived system and why is it important for Section 10? To fully understand, we need to look at how we define derived as it is used throughout the CE Code, as it has many synonyms and definitions.
January 22, 2018 — The number of changes coming to the 2018 CE Code are fairly substantial, and while a number of them involve tweaked wording and/or definitions, there are also a fair number of what I would call “significant” changes.
September 15, 2017 — In addition to a number of changes in 2012, CE Code Section 62 “Fixed electric heating systems” underwent a fairly substantial rewrite in 2015. So what’s changed?
June 28, 2017 - What do circuit loading and demand factors mean, and how are they different? A circuit load is a component or portion of the circuit that consumes power. A demand factor is a time-dependent fractional quantity that will always be less than, or equal to, one. Huh?
April 10, 2017 - The 3rd Memorandum of Revision (MOR) is out, and Rule 8-104 is undergoing some significant changes. Subrule (8) has been deleted from the CE Code, and 8-104(5) and (6) have been rewritten. What does this mean for calculating cable sizes used in direct burial installations?
February 14, 2017 - Believe it or not, it’s that time of year when firms start looking ahead to the camping season and campground upgrades. Nothing much has changed in recreational vehicle parks over the past CE Code cycle, but a number of changes took place over the past 15 years to make this part of the code clearer.
December 12, 2016 - An interactive power production system operates in conjunction with—and can deliver power to—another power system, such as the utility. While this could involve a standard generator, I will focus on renewable energy systems.
August 10, 2016 - The building code defines a vapour barrier as “the elements installed to control the diffusion of water vapour”. Did you notice it says “control” not “eliminate”?

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