Canadian Electrical Industry News Week

Apr 2, 2017

POHUL and The HDBaseT Alliance, a cross-industry group tasked with promoting and advancing the HDBaseT standard, have launched a certification program for Power over HDBaseT (PoH) cables.

Targeted at cable manufacturers, the program addresses the increased performance and safety requirements related to heating due to current levels being carried under PoH of audiovisual installations.

With increasingly complex installations and the proliferation of power over HDBaseT (PoH) equipment, AV vendors, manufacturers and professionals have indicated the need for standardization and consistency for high performance, regardless of the size of cable bundles.

As power levels rise, the heat generated within the cable increases as well. This is especially true when cables are bundled together, which is typical in the installation. It becomes a safety concern when cables are operated above their temperature rating under these conditions. Cable performance is also a potential issue, since higher copper wire temperatures increase cable insertion loss.

The new certification program evaluates the cable’s ability to carry DC power of up to 100 watts over the four pairs of the cable and to maintain HDBaseT data transmission performance.

Under the new certification program, UL will evaluate the cables in accordance with the soon-to-be published UL 4299, Outline of Investigation for Power over HDBaseT (POH) cables. The cables will be covered under UL’s Follow-Up Services surveillance program that includes both regular inspections at cable manufacturing facilities as well as ongoing testing determine continued compliance.

“Until now, the HDBaseT Alliance had a cable recommendation program in which it only tested cables for HDBaseT transmission,” says Ariel Sobelman, president, HDBaseT Alliance. “The new cable certification program goes one step further, providing increased transparency to vendors and end users and identifying the best cables for complex installations. By cooperating with the leading safety company in the world, the Alliance reiterates our commitment to the highest performance levels in the industry.”

“As HDBaseT became the standard for the transmission of high-throughput content, it was natural for UL to join the efforts to help address the safety and performance issues of powering over these cable installations,” says L.F. Lai, VP and general manager of UL’s Wire and Cable division.

“Through the cable certification program, both vendors and end users will benefit from knowing that these cables are not only suitable to transmit HDBaseT, but also do so according to highly respected industry standards.”

Once published, UL 4299 will be available at https://standardscatalog.ul.com/.

Photo source: HDBaseT Alliance.

 

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Clean Energy 

Canada and Sweden are setting up a new global Technology Collaboration Program (TCP) under the International Energy Agency (IEA) to promote leadership roles for women in clean energy.

The establishment of the Clean Energy Education and Empowerment TCP (C3E TCP) was announced during the recent 8th Clean Energy Ministerial (CEM8) meeting in Beijing. It builds on the successful C3E initiative created by member governments of the CEM in 2010. Shown in photo: Jim Carr, Minister of Energy, Canada (left), and Ibrahim Baylan, Minister for Policy Coordination and Energy, Sweden.

 

Read More: Advancing Women in Clean Energy 

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Panel Builder

Is your business involved in the design, specification, build, installation and commissioning of control panels and systems? If yes, take the survey to receive a $5 Tim Horton's e-gift card.

Kerrwil Publications Limited, in conjunction with its soon to be launched Panel Builder Insights Newsletter, beginning in October 2017, is surveying the Canadian Panel Building sector. In this regard, we have a few basic questions we hope you can answer. For your time, we are offering a Tim Horton’s e-gift card valued at $5 (e-gifts will be sent to your email within 24-48 hrs of survey completion). The survey should take no more than 5-10 minutes.

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