Canadian Electrical Industry News Week

June 28, 2018

CSA GroupNow in its 24th edition, the 2018 Canadian Electrical Code, Part I includes a number of significant updates and changes to better help electrical workers in the safe maintenance of electrical equipment and create safer electrical installations.

This edition features important revisions to many sections. For example, Section 26 now mandates the use of tamper-resistant receptacles in additional areas where children may be present. Section 62 now requires ground fault circuit interrupter protection for heating devices and controls in proximity to tubs, sinks, and shower stalls. Section 10 has been updated, reorganized, and significantly reduced in length. Requirements for power over ethernet systems have been added to Section 16, and requirements for marinas, wharves, and similar facilities have been substantially updated and reorganized in Section 78.

Read more below about the top 15 changes to the code.

1. Power over Ethernet

2015 Code — No specific requirements

2018 Code — New Subsection 16-300

POE (Power over Ethernet) has existed for many years however, recent revisions to IEEE standards for communications cables has opened the door to higher power applications for POE, such as room lighting. Through these cables, power levels approaching 100 W are possible, along with simultaneously communications between devices and systems. POE is typically implemented as a "structured" cable system, wherein cables are bundled together for extended lengths. Cable heating is a function of the power it carries and as such, installation and layout become critical factors in ensuring safe operation. New requirements for POE have been added to the Code in the form of new Rules 16-300 through 16-350, and Table 60.

2. Installation of identified conductor at control locations

2015 Code — Two wire simple switch loop acceptable

2018 Code — Identified conductor required at every control location

Control devices are increasingly used as an essential part of energy management systems. Many of these devices require power to operate, and where used in a simple switch loop, create a small current through the bonding conductor. As the number of devices increases, the cumulative current through the bonding system will become unacceptable. New Subrule 4-028(2) now mandates that an identified conductor be installed at each manual or automatic control location. This requirement applies to all occupancy types. The term “neutral” has been replaced with the more accurate term “identified conductor”.

3. Bonding and grounding

2015 Code — 15 pages long and two tables

2018 Code — 8 pages long and one table

Section 10 requirements have been reorganized into a more logical flow of requirements and significantly reduced in size. Objectives for solidly grounded, impedance grounded, and ungrounded systems are clearly specified at the beginning of the Section. Tables 16A and 16B have been combined into a single Table, with Rule 10-614 providing specific conditions for selecting the size of bonding conductor or bonding jumper.

4. Arc fault circuit interrupters

2015 Code — AFCI protection required, with some exemptions

2018 Code — exemptions tightened, application to existing circuits clarified

Clarification is now provided for AFCI protection of existing branch circuits that are extended due to renovations or additions. Exemptions from AFCI protection have been reduced or removed for number of areas including branch circuits supplying smoke alarms, carbon monoxide alarms, and bathrooms.

5. Disconnecting means for LED luminaires

2015 Code — disconnecting means required for fluorescent ballasts

2018 Code — disconnecting means required for fluorescent ballasts and LED drivers

To support safe maintenance, the Code has for several editions required disconnecting means for fluorescent luminaires utilizing double ended lamps and operating at more than 150 V. With increased use of LED lighting, the requirements have been extended to LED luminaires exceeding 150 V to ground with double ended lamps.

6. Tamper resistant (TR) receptacles

2015 Code — TR receptacles required in dwelling units and child care facilities

2018 Code — TR receptacles required in additional occupancy types

The requirement for tamper resistant receptacles in dwelling units and child care facilities is expanded to include other areas where children may be present including hotel guest rooms, preschools, and elementary education facilities.

7. Equipment connected to devices having Class 2 outputs

2015 Code — approval requirement based on application

2018 Code — approval based on voltage and application. Voltage limited by location.

Products having a Class 2 output are covered by a number of standards including C22.2 No. 60950-1 (LPS), C22.2 No. 66.3 (Class 2 transformer) C22.2 no. 223 (ELV), C22.2 No. 250.13 (LED), and C22.2 No. 62368-1 (AV and IT). The output voltage from these supplies can vary substantially in magnitude and waveform, up to 60 Vdc. Revisions to Section 16 now set the requirements for approval of such equipment based on application, location, voltage, and waveform, and maximum permitted voltages for dry, damp, and wet locations.

8. Increased GFCI protection for wet areas

2015 Code — Nno requirement for GFCI protection for heaters or controls in bathrooms

2018 Code — GFCI protection required

Similar to GFCI requirements for receptacles in the vicinity of showers, sinks or tubs, new Section 62 Rules mandate GFCI protection for electric heating devices and heating controls in the vicinity of sinks, showers or tubs.

9. Continuous loads

2015 Code — complex continuous load requirements

2018 Code — continuous load requirements simplified.

Rule 8-104 has been one of the more misunderstood Rules in the Code, with varying interpretations of how it should be applied. Subrules 8-104(1) through (4) remain intact however, Subrules 8-104(5) through (7) have been distilled down two Subrules; one for switches and breakers marked for continuous operation at 100%, and one for switches and breakers marked for continuous operation at 80%. In both cases, the Subrules now simply require two things:

(1) that the continuous load not exceed the continuous operation marking on the fused switch or circuit breaker, and

(2) that the continuous load not exceed a specified percentage of the allowable ampacity determined from Section 4.

Gone are references to specific columns in Tables, underground installations, and derating (correction) factors.

10. The 5% Rule

2015 Code — calculated load permitted to exceed conductor ampacity by 5%

2018 Code — 5% rule eliminated

Subrule 8-106(1) has existed in the Code for some time however, the later introduction of Rule 8-104 put 8-106(1) in conflict. In addition, conductor ampacities are determined by Section 4, not 8, as confirmed by several related changes to Section 8. Finally, the Subrule has been inconsistently applied. As such, Subrule 8-106(1) was deleted.

11. Marking for maximum continuous load

2015 Code — no labelling requirement

2018 Code — maximum continuous load required to be field marked on equipment

The maximum continuous load determined for a given installation may be substantially less than the equipment rating. However, there is no requirement to communicate this information to maintenance personnel, installers, or inspectors, for purposes of future maintenance or modification of the electrical system. As a result, new Subrule 2-100(4) requires that a caution label be applied to the equipment to indicate the maximum permitted continuous load.

12. Electric shock drowning

2015 Code — 15 and 20 A receptacles require GFCI protection

2018 Code — ground fault protection for feeders, GFCI protection for receptacles

Much research has been conducted on the phenomenon known as electric shock drowning. Section 78 has been extensively updated to require GFCI and Ground Fault protection for branch circuits and feeders respectively. The scope of Section 78 has been expanded to include additional types of structures such as floating piers and docking facilities, and the Rules have been re-arranged to simplify navigation of the Section.

13. Electric vehicle energy management system

2015 Code — EV supply equipment loads added to load calculations at 100% of rating

2018 Code — demand factors recognized where energy management system used.

Electric vehicle supply equipment (EVSE) can draw a substantial load when in the charging mode. For existing buildings, the addition of EVSE can result in the total load exceeding the existing service capacity. In this case, the first option is to increase the service size. A second option is to install a system to monitor the power being drawn by EVSEs and other building loads, and control the EVSE loads such that the overall load does not exceed the limits of the existing service, feeders, and branch circuits. In combination with new Rule 8-500 and new Subrules 8-106(11) and (12) such systems are now recognized in the Code as Electric Vehicle Energy Management Systems (EVEMS). Complementary to the introduction of EVEMS, a new Table of loads and demand factors has been added specifically for EVSE.

14. Kitchen wall (not counter) receptacles

2015 Code — separate branch circuit required

2018 Code — separate branch circuit not required

Wall receptacles provided in a kitchen are required to be supplied by a separate circuit. However, this requirement predates the requirement for counter receptacles and circuits. Given that many kitchens are now used as general living areas, and that receptacles are now required to be provided along the kitchen wall in the same fashion as a living room, there is no longer a need for a dedicated circuit. Consequently, the requirement has been deleted.

15. Refrigerators

2015 Code — separate circuit required for each receptacle installed for a refrigerator

2018 Code — separate circuit only required for mandated refrigerator receptacle

The existing wording of 26-722 required a separate circuit for each receptacle installed for a refrigerator. This requirement is now relaxed by permitting a dedicated circuit to supply more than one refrigerator receptacle. It has also been revised to more clearly state that the requirement only applies to receptacles mandated by 26-712(d)(i) for refrigerators in kitchens. The requirement does not apply to refrigerators installed in other locations.

Pre-order your copy of the 2018 CE Code here

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Government of CanadaThe federal governemnt has officially launched a call for proposals (CFP) for the Zero-Emission Vehicle Awareness Initiative (ZEVAI). The initiative’s 2022 CFP will help fund new and innovative projects that aim to increase awareness and knowledge of ZEVs and charging and refueling infrastructure thereby increasing public confidence in these vehicles and their economic and environmental benefits.


Natural Resources Canada will provide funding through non-repayable contributions of between 50 and 75 percent of the total eligible project costs, with a maximum funding of up to $300,000 per project. The CFP will close on August 18, 2022.

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Omnicable joins ETIMETIM North America announced that OmniCable has joined the product classification standards organization. Headquartered in West Chester, PA, OmniCable has 24 locations throughout North America, and also owns Houston Wire & Cable (HWC). The company partners with many electrical manufacturers and only sells to distributors.

According to John Dean, Director of Marketing & E-Commerce, OmniCable/HWC, “The wire and cable industry is often called commodities, but there are very distinct features and attributes for the different products our manufacturers produce. 

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Atkore United Poly SystemsAtkore Inc. announced that it has acquired United Poly Systems, a manufacturer of High Density Polyethylene (HDPE) pressure pipe and conduit, primarily serving telecom, water infrastructure, renewables, and energy markets.

“We are pleased to complete the acquisition of United Poly Systems, which strengthens Atkore’s product portfolio, expands our manufacturing capacity and further enables us to meet HDPE customers’ needs,” stated John Pregenzer, President of Atkore’s Electrical business. “HDPE pipe and conduit is a growing market that is expected to benefit from U.S. infrastructure legislation, and United Poly Systems is a great addition to Atkore. We welcome these employees and look forward to working together to continue to serve and support our customers.”

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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 permit....no 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

 


 

Grimard is more competitive and produces estimates 3X faster with Procore

Procore

When the pandemic lockdowns started in March of 2020, Grimard (an electrical contractor) had to decide whether to shut down its operations entirely or implement a new platform with people who were now freely available for work. Once they implemented Procore, they found a way to efficiently communicate with stakeholders and offer full transparency in terms of project costs and planning. It also allowed Grimard to utilize historical data to make project estimates more accurate. Grimard was able to streamline its bidding process, which made it more attractive to potential clients and helped the business grow.

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Iron+EarthThe RenuWell Project partners are excited to announce the groundbreaking of two pilot sites located near Taber, Alberta. These pilot sites are the first of their kind to repurpose inactive oil and gas infrastructure as a foundation for renewable energy development and job creation.

When operating, the solar projects will generate 2,030 MWh annually – enough electricity to power 280 average Alberta households or irrigate 11,700 acres of farmland for an average year. This is roughly equivalent to $200,000 in electricity sales per year with 1,100  tCO2e savings in GHG emissions. Over a 25-year lifespan, the projects will generate 50,750 MWh, with GHG emission savings of 28,420 tCO2e.

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David O'ReillyBy Elle Bremmer

Recently, I had the pleasure of sitting down with David O’Reilly, Vice President Home & Distribution and Secure Power Divisions with Schneider Electric Canada for a discussion regarding the Wiser EnergyTM smart home solution, the Wiser Approved training program, and his thoughts on several different subjects, including sustainability and future technologies currently in the works at Schneider Electric. David has been with the company for five and a half years in his role.

We recently published a study (version en français ICI) from Schneider Electric showing a strong interest from Canadians in smart home technology. 

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Infinitely capable, these ruggedly built products have several industry leading & exclusive features including:

Industrial String Lights:

  • A United States Navy Specification since before WWII, they’re time and application tested...

 

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Stand-up Zipper Bags, 7-Inch and 14-Inch, 2-Pack (Cat. No. 55559)

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To help safeguard employees from electrocution, Emerson has launched its Appleton™ Powertite™ Lock Collar, a device that fastens over plug and connector connections and is secured with a padlock, preventing unauthorized personal from disconnecting the cable connection once in place. 

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