Codes & Standards

August 2, 2017 - To facilitate the practice of installing service conduits within building walls to improve a home’s exterior appearance, BC Hydro harmonized its requirements for concrete encasement of utility supply service raceways (120/240V up to 600A) installed within building walls, along with the BC Electrical Code requirement for consumer’s service raceways for residential supply services.
July 19, 2017 - CSA Z463 “Maintenance of electrical systems” has been adopted across Canada—even globally—since being first published in November 2013.
May 12, 2017 - The National Electrical Manufacturers Association (NEMA) in the U.S. has published NEMA ICS 5-2017 Industrial Control and Systems: Control Circuit and Pilot Devices. This standard applies to general purpose mechanical, electromechanical and solid-state devices that are used in industrial applications for control circuit switching and the control of solenoids rated not more than 600V.
May 2, 2017 - The draft edition of the next CSA Z462 “Workplace electrical safety” is available for public review.
April 13, 2017 - The National Electrical Manufacturers Association (NEMA) has published a new standard, NEMA OS 4-2016 "Requirements for Air-Sealed Boxes for Electrical and Communication Applications". This standard establishes a performance test and classification scheme for electrical outlet boxes, wall boxes, ceiling boxes, and floor boxes designed to reduce air leakage through them and their installed interface with the building structure.
March 6, 2017 - The National Electrical Manufacturers Association (NEMA) in the United States released a new energy management guide for polyphase induction motors: NEMA MG 10-2017 - Energy Management Guide for Selection and Use of Fixed Frequency Medium AC Squirrel-Cage Polyphase Induction Motors.
October 6, 2017 — Rules in Section 16 (New 16-300 series added) of the upcoming CE Code 2018 have been amended to include requirements for Class 2 power and datacom circuits. Although the new requirements do not reference “Power-over-Ethernet” (PoE) terminology, an Appendix B Note is added to explain the “Class 2 power and data communication circuit” is based on the concept known as PoE, introduced by the IEEE 802.3 series of standards.
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?
August 17, 2017 - The new CE Code (24th ed.) is almost here, and Section 64 contains several important changes (already approved by the CE Code-Part I Committee), two of which I will discuss here.
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?
May 26, 2017 - Required by the National Building Code (NBC), smoke alarms must be permanently connected to a lighting circuit, or one that supplies both lighting and receptacles, so as to quickly detect when there’s a problem with the circuit.
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?
October 6, 2017 — Tackle the code conundrum if you dare!
September 15, 2017 — Tackle the code conundrum if you dare!
August 17, 2017 - Will you get stumped by T-slot (5-20R) receptacles? Tackle this month’s Code Conundrum... if you dare!
June 26, 2017 - Tackle June’s Code Conundrum... if you dare!
May 26, 2017 - The May Code Conundrum will help you brush up on your code knowledge!
April 11, 2017 - The April Code Conundrum has some mobile home questions this month!

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