Electrical Line RSS Feed Ask the Experts - Arkady (Ark) Tsisserev, P.Eng.

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    Ark is a registered Professional Engineer with a Master’s degree in electrical engineering and is the Chair of the Technical Committee for the CE Code, Part I.

    In the selection of dry type transformers, how do I go about determining the proper rating of the transformer circuits?

    Rating Of Transformer Circuits

    There are some subjects in the CE Code that often become a source of heated discussions by the users. Selection of dry type transformers and selection of a proper rating of the transformers circuits is one of these controversial subjects.

    So, let’s try to clarify this seemingly complex issue. First of all - we need to refresh the understanding of a circuit rating in accordance with Rule 8-104. This rule states that the rating of a circuit or a feeder is the ampere rating of the overcurrent device protecting the circuit or the ampacity of the circuit conductors, whichever is less. This rule also states that the calculated load in a circuit shall not exceed the ampere rating of the circuit (i.e. shall not exceed the rating of the circuit O/C device and the ampacity of the circuit conductors).

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    Power management company Eaton has announced tips aimed at helping professionals properly report counterfeit electrical products. The tips will assist professionals throughout the electrical supply chain with tools to recognize and report suspect products to ultimately help brands and law enforcement identify potential counterfeit product supply chains. Eaton developed these tips in response to results from its joint survey with the Independent Electrical Contractors (IEC). Survey results...
    In an effort to continue to improve the safety of firefighters and the people they protect, the Canadian Solar Industries Association (CanSIA) and the Ontario Association of Fire Chiefs (OAFC) announced the completion of a new training program for firefighters. The program addresses safety considerations and fire fighting protocols for successfully fighting fires where photovoltaic systems are in place. The CanSIA - OAFC partnership began in April of this year when both organizations...
    UL (Underwriters Laboratories) announces that Canadian stakeholders, with the assistance of UL technical experts, are set to begin work on the development of an electric utility meter standard for Canada. The new standard will cover the electrical safety of electric utility meters, addressing a concern raised by multiple stakeholders across Canada. To facilitate an expedited process, the current Standard for Electric Utility Meters, UL 2735, already being used in both Canada and the United...
    Member of Parliament for Vancouver South, Wai Young, introduced a Private Members Bill that aims to amend the Criminal Code of Canada to better reflect the severity of interference with Critical Infrastructure including the growing problem of copper theft from electricity facilities. “The introduction of this bill is a significant development as we seek to actively deter copper theft,” said Jim Burpee, President and CEO of the Canadian Electricity Association (CEA). “Given the high price of...
    Industry Minister James Moore announced the passage of the Combating Counterfeit Products Act (Bill C-8) into law. Counterfeit and pirated goods are a growing threat to the Canadian and global economy. They undermine innovation, diminish brand integrity and threaten economic growth as well as the health and safety of Canadians. Under this new law, the Canada Border Services Agency (CBSA) will be able to take action to prevent illegal counterfeit goods from entering Canada's economy. CBSA will...

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    • January 8, 2015

      The new edition of CSA Z462 – Workplace Electrical Safety has been extensively revised and updated, with expanded criteria and guidance material. It has also been aligned with the changes and revisions to the 2015 edition of the Canadian Electrical Code, Part I and in parallel with the 2015 edition of NFPA 70E. The 2015 edition of CSA Z462 reflects a major shift towards risk assessment, with new definitions that harmonize with other safety standards such as CSA Z1000 and Z1002. It also adds a considerable amount of resource material geared towards organizations seeking to make electrical safety an in...

    • January 19, 2015

      Northern Ontario's largest hydroelectric project in 50 years is now fully in service thanks to a unique partnership between the Moose Cree First Nation and Ontario Power Generation (OPG). Six new units on the Lower Mattagami River will add 438 MWs of greenhouse gas-free electricity – or enough capacity to meet nearly three times the peak demand of Thunder Bay.

      "I've visited the Lower Mattagami site and have a great appreciation of the size and scope of this project as well as the people who have brought the project in on time and on budget," said Bob Chiarelli, Minister of Energy. "The Lower Mattagami Project will deliver long-term results for our electricity system while providing clean, reliable and affordable electricity for Ontarians."

      "The project has helped rejuvena...

    • January 17, 2015

      The Electric Circuit announces the signing of a partnership agreement with Collège Ahuntsic in order to commission a public charging station for plug-in electric vehicles. Visitors will soon be able to charge their vehicles in the south side external parking lot located directly in front of the Collège, which is accessible by Saint-Hubert street.

      "Thanks to this initiative, Collège Ahuntsic will continue its development and association with partners to implement innovative measures in environmental protection. We are pleased to offer the members of our college community as well as the residents of Ahuntsic concrete choices to help fight climate change."

      "We are extremely proud of our partnership with Collège Ahuntsic, which is a Cégep Vert du Québec certified establishmen...

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    • January 29, 2015

      HAMMOND POWER SOLUTIONS (HPS) is pleased to announce that they have now expanded the product data attributes supported within IDW (Industry Data Warehouse), achieving the Silver Band of Excellence.

      The Industry Data Warehouse (IDW) is a data portal, managed by IDEA (Industry Data Exchange Association), that enables distributors to securely access accurate and current product information from manufacturers, enabling them to promote products in a more consistent and organized manner.

      In order for HPS to qualify for Silver, 90-95% of stock products in the IDW are required to be populated with spec sheets, product attributes, images and detailed descriptions. In addition to product specifications and dimensions, the data will also include links to...

    • January 19, 2015

      SMARTCOOL SYSTEMS INC. announces that Theodore (Ted) Konyi, Smartcool's Chief Executive Officer, has joined its board of directors as Chairman effective January 16, 2015. In addition, Craig Jolly has resigned his seat on Smartcool's board of directors to make room for the appointment of Dalton L. Larson, who was also appointed to the board effective January 16, 2015. The board of directors now consists of two executive directors - Ted Konyi and George Burnes (Smartcool's President) – and two independent directors – Bradley Nightingale and Dalton Larson.

      Dalton Larson commenced his professional career as a full time member of the Faculty of Law at the...

    • January 16, 2015

      David Paja            David PajaHONEYWELL announces the appointment of David Paja, 45, as president of Honeywell Security Group, effective January 19. David succeeds Ron Rothman, who is retiring from...

    • January 15, 2015

      BEGHELLI CANADA INC. announces the appointment of Scott Laing as National Sales Manager, Canada. Scott has fifteen years of proven results in leading a team to exceed their budgets and objectives. Scott brings strong negotiation skills and effective sales strategies to Beghelli and will provide a clear vision and set goals for Canada. His experience is enhanced by his leadership, accomplishments and...

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    • January 29, 2015

      General Cable announces that MOR® Polyrad® XT-125 unarmored Type P cables* have been added to its Hazardous Location (HL) line of products. Hazardous Locations, as defined by NEC 501 and API RP14F, may vary from extreme sub-zero drilling temperatures in the coldest regions to high-temperature conditions within motors and other devices. MOR Polyrad XT-125 cable with a Type TC-ER-HL listing provides... read more

    • January 14, 2015

      Schneider Electric Solar Business, a global leader in solutions for the solar power conversion chain, is pleased to announce the launch of Conext™ Insight, a remote monitoring and asset management platform for distributed PV plants.

      Smart decision making to maximise ROI of PV assets

      The Conext Insight web portal gives you detailed insight into the performance of your distributed PV plants from any Internet... read more

    • January 14, 2015

      ProBuilt Professional Lighting, LLC announces the new ProBuilt XLE 5000 LED Work Light. This 50 watt LED work light produces 5000 lumens due to the extreme energy efficiency and concentrated high-output LEDs utilized. The LEDs are temperature rated at 5000 Kelvins and produce a clean white light that is easy to work next to. The LEDS are rated for over 50,000 hours of lamp life so you will never need to change a light bulb again... read more



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