Canadian Electrical Industry News Week

Approved electrical equipmentBy Pierre McDonald

As I indicated last month, several changes will be evident in the 23rd Edition Canadian Electrical Code  which is scheduled for publication in early January 2015. When released, Code Users will have an opportunity to see for themselves these changes. Within this article I would like to review some of the more deliberated changes that will affect certain installations. This would include the rewrite of rules clarifying underground ampacity tables, the temperature requirements for conductor selection, voltage drop in dwelling units and industrial establishments, and arc-fault requirements in dwelling units.

Section 4 will see several changes that should eliminate some of the frustrations Code Users have had with conductor ampacities associated with underground installations. Rule 4-004(1)(d) for copper and 4-004(2)(d) for aluminum have been adjusted to reflect the consolidation of the Appendix B  Diagrams B4-1 through B4-4 with the ampacity tables in Appendix D. The 2012 CE Code had Users make reference to diagrams which were in Appendix B and try to manipulate to tables in Appendix D. This new edition CE Code will have the ampacity tables and the diagrams all published in Appendix D. The main change with these Appendix D Tables is also the removal of the “B” Tables. In order to align the existing underground Tables (D8A through D15B) with the rest of the Code, the “A” Tables were re-calculated, making the “B” Tables unnecessary. The Code User will see an increase in allowable ampacities associated with these Installations.

Additionally, Rule 4-004(1)(g) for copper and 4-004(2)(g) for aluminum have been added to address the ampacities of shielded cables rated 5 kV to 46 kV in sizes No. 2 AWG to 1000 kcmil. These two new items point to ampacity tables D17A through D17N for installation configurations and conditions described in the Table D17 installation diagrams. Cables within these voltage ranges will have ampacities that vary substantially based on the variables associated with their installation. It is very important to remember that the ampacities listed in Tables D17A to D17N are only applicable for the configurations and conditions specified in Table D17. For alternate configurations and conditions the Code User should consult the IEEE 835 calculation method.
Another notable change to Section 4 will be with the clarification to Rule 4-006, Temperature Limitations. In the 2012 CE Code, (which saw the introduction of this rule) 4-006 indicated a default maximum conductor temperature of 90°C for equipment not marked for maximum conductor temperature. This default temperature was never correlated with the CSA C22.2 Standards (for example, CSA C22.2 No.4 or CSA C22.2 No.5) as they were only evaluated relative to the appropriate temperature characteristics of the terminations to 75°C. As a fix for equipment not marked for maximum conductor temperature, Subrule 2 has been rewritten to direct the Code User to consider the maximum conductor temperature to be 60°C for equipment rated not more than 100 A or marked for use with conductor sizes 1/0 or smaller, and 75°C for equipment rated more than 100 A or marked for use with conductor sizes larger than 1/0.

As indicated in the Appendix B intent statement, the size of conductors terminating on equipment shall be not less than the conductor sized from the appropriate conductor temperature column in tables 1, 2, 3 or 4. Additionally it should be noted that the temperature requirement of conductors only applies to the first 1.2 m of conductor length measured from the point of termination (Subrule 4) and if a splice is made to meet the temperature requirements of this rule, the conductor terminating to the equipment cannot be less than 1.2 m in length (Subrule 5). Additional scenarios are spelled out in Subrules 3 and 6.
In Section 8 the Voltage Drop rule (8-106) has been rewritten to better apply to specific installations. While the 3% and 5% limitations still apply to feeder or branch circuits; and from the supply side of the consumer’s service (or equivalent) to the point of utilization respectively, notwithstanding clauses have been added for Residential and Industrial situations. Subrule 3 directs the Code User to a new Table 68 for conductor length measured from the supply side of the consumer’s service to the furthest point of utilization on general use circuits not exceeding 120 V or 20 A in dwelling units. Subrule 4 allows, in Industrial establishments, where qualified persons ensure maintenance and supervision for equipment, the voltage drop to be such that the voltage at the point of utilization is within the rating or voltage tolerance of the connected equipment. This could very well be below the maximum 5% allowed is Subrule 1.

The requirements for arc-fault protection for receptacles in bedrooms has been revised (Rule 26-724 item (f)) to mandate arc-fault protected by a combination type arc fault circuit interrupter for all receptacles rated 125 volt  and 20 A or less in dwelling units. Exceptions to this requirement are for those receptacles installed in each bathroom and washroom in accordance with 26-710(f) and those receptacles installed in kitchens in accordance with 26-712(d)(i), (iii), (iv), (v).  Of course the exception, introduced in the 2012 CE Code, that a single receptacle installed for a sump pump still exists provided certain conditions are met. Item (g) of Rule 26-724 also allows the arc-fault protection mention above to be in the form of an outlet branch circuit type arc-fault circuit interrupter provided it is installed at the first outlet on the branch circuit and the wiring method between the branch circuit overcurrent device and the first outlet is comprised of metal raceway, armoured cable, or non-metallic conduit or tubing.

These changes are just a few of what will be coming within the 23rd Edition CE Code. Before they become a mandatory requirement within your jurisdiction, the Authority Having Jurisdiction (AHJ) must legislate the adoption of this edition of the CE Code. For some jurisdictions this adoption and enforcement will be within 6 months or less of the Codes’ publication, while other jurisdictions could take up to a couple years to adopt. Code users should always consult the AHJ for information on which edition code is enforced.

Changing Scene

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Canadian Electrical Contractor Discussion Group: Can You Count the Deficiencies?

EIN CECD 400Have you ever been called to fix the work of a 'handyman'?

"Was supposedly done by a"certified ' electrician....told the homeowner that he got a $266 record at TSBC. Can you count the deficiencies?"

"There is a second panel change in the triplex also.......even more deficiencies. Think the guy was a glorified handyman. Ones not obvious: 240 BB heat hooked up 120....drier on 2p20....range on 2p50....water heater fed with 2c14 Bx on 2p15."

Go HERE to join the discussion



Surgelogic RecallProduct: Surgelogic™ NQ SurgeLoc™ Surge Protection Device.

Issue: The Surgeloc Surge Protection Device can experience an arc event, which can result in a fire hazard.

What to do: Consumers should immediately stop using the recalled surge protection devices and contact Schneider Electric for instructions on receiving a free equivalent replacement surge protector.



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Terry BeckerBy Terry Becker, P.Eng., CESCP, IEEE Senior Member

The electric shock hazard has been neglected.  Journeyman Electricians have accepted been shocked as part of the job, a “right” of passage, a badge of honour. 

This has not been acceptable and Journeyman Electricians may not be aware of the long term sequela health effects of receiving multiple low voltage electrical shocks and how it may have impacted them.  With respect to treatment there is only a single formal recognized treatment centre in Canada, the St Johns Rehab Centre. Electrical Injury Program.

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EIN Code Quiz 2Take this opportunity to test your knowledge of the Canadian Electrical Code - Part 1. Here are two questions on essential electrical systems: health care. 

You'll find the answers in EIN articles written by our code experts — mainly Bill Burr and Terry Becker — and of course in your own best practices. Answers will be posted on our website in a few days and published in our next issue. Good luck and share your results with our Facebook group: Canadian Electrical Contractor Discussions.



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Product News

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Any time an electrician or technician makes a voltage measurement on a live conductor, there is a ...
Autodesk, Inc. has announced the worldwide availability of Autodesk Takeoff, a new product ...
Autodesk, Inc. has announced Autodesk Build™, a new project and field management ...
The eLumigen High CRI C1D2 LED Fixture is the ideal light source replacement for Paint Booth, ...
Chief PAC526 Series Wall Boxes are now available through Wiremold. Contractors have been frequently ...
adorne® Furniture Power Centers are now available with USB Charging.      
The IDEAL® line of combination drill taps combines the tasks of drilling, tapping and ...
The smart charging stations of the SmartTWOTM family are specially made for areas dealing ...
For those times where you want ultimate flexibility and portability for your lighting needs, Lind ...
The EcoWing V Series is a premium architectural troffer utilizing our revolutionary optical film ...


Extech Non-Contact High Voltage DetectorFLIR Systems has announced the availability of the Extech DV690 its first non-contact high voltage detector with a detection range of up to 69,000 volts (69 kV). The industrial-grade DV690 provides early warning alerts of energized electrical components for utility lineworkers, telecommunications installers, first responders, search and rescue teams, and tree removal services.

The DV690 features five flexible mounting options: handheld, around the neck, clipped to a belt, strapped to an arm, or attached to a universal spline hot stick. The three handsfree possibilities allow the most optimal operation to efficiently and carefully complete a job. Using a hot stick creates a safer distance to target, extending operator reach.

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Milwaukee Radius Compact Site LightThe M18 RADIUS Compact Site Light with Flood Mode provides a two-in-one solution for area and task lighting with less to carry. The compact LED light delivers 2,200 lumens in area mode and 1,000 lumens in flood mode. The light offers up to 16 hours of run-time with the option to be plugged in using the AC inlet for extended run-time.

Its compact size allows you to take this site light on and off the jobsite effortlessly and its 4-1/4" metal hanging hook allows you to easily hang the light overhead. The durable light is equipped with a high impact polycarbonate lens to withstand harsh jobsite abuse. The LEDs never need to be replaced and are backed by a limited lifetime warranty. 

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Panel PC1200With the Panel PC 1200, B&R introduces a compact and cost-effective all-in-one PC. Equipped with the latest Intel Atom processors and up to 256 GB of mass storage, the Panel PC 1200 is ideal for running HMI applications under Windows or Linux operating systems.

With 2x Gigabit Ethernet and 2x USB 3.0, the Panel PC 1200 is ready for integration into any machine network. Compact CFast cards are used for data storage.




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Peers & Profiles

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Energy Efficient Lighting is a LED lighting manufacturer with nearly 30 years of industry ...
Dee Durant is an industrial electrician apprentice attending Conestoga College and an Ambassador ...
ECAO recently launched a new program called Future Leaders Advisory Council (FLAC). Their inaugural ...

EIN Green 100 400

By Blake Marchand

This past December Jennifer Green was honoured with Canada’s Most Powerful Women Top 100 Award for the Skilled Trades category by WXN (Women’s Executive Network).

“It is truly an honour to be recognized by WXN and to be among this group of amazing women,” said Green of earning the distinction. “Throughout my career, I’ve worked with many great mentors and team members – to them, I say thank you for always inspiring me. I am absolutely thrilled.” Green is an industrial mechanic millwright by trade and works with Skills Ontario as Director of Competitions and Young Women’s Initiatives. 

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Jo Istanbul Four Seasons ABy Owen Hurst

Recently, Electrical Industry Canada has developed a relationship with Women in Renewable Energy (WiRE), a non-for-profit group developing resources and networking potential for women and all working or planning to work within the renewable energy sector. Aside from being the WiRE President & CEO, Joanna Osawe is the Global Business Development Manager of Major Projects for DMC Power Inc.

EIN sat down with Osawe to learn more about WiRE and the substantial benefits it provides. Joanna is very personable and open regarding her career and her ambition, as well as the opportunities she is developing for women nationally and globally. 

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Stephanie SmithBy Blake Marchand

“It was quite surprising,” said Stephanie Smith of being named EHRC’s Leader of the Year. “Leadership in 2020 has certainly been a challenge for everybody in the world let alone the nuclear industry or the electricity industry.”

An engineer by trade, Smith spent the majority of her career with Ontario Power Generation (OPG). She was the first woman to be certified by the Canadian Nuclear Safety Commission at the Pickering Nuclear Generating Station where she served as Plant Manager and was recently named the first President and CEO of CANDU Owners Group. Smith is also a passionate advocate for diversity and inclusion.

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Copper $US Dollar price per pound

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