Does UL List (certify) powered suspended ceiling grids that power lighting systems? Yes. UL certifies ceiling grids that power lighting systems under the UL product category Suspended-ceiling-grid Low-voltage Lighting Systems (IFFA) found on page 176 of the 2011 UL White Book.
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For some time, the proper control of emergency lighting circuits has been a topic of debate for manufacturers, systems integrators, and specifying electrical engineers. Much of the debate has centered on the proper application of the many codes and standards that apply to emergency lighting.
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In this article the reader will see how the modest beginnings of modern light sources have evolved, how lighting has become not only a constant companion but has turned the night into day. We will look at what the lighting industry has achieved to date, and how it has evolved to meet an ever-increasing demand.
(No Ratings Yet)Question: Is it permitted as part of the Listing of a luminaire to retrofit a T12 ballasted fluorescent luminaire with a T8 ballast and lamp and not affect the Listing of the luminaire?
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Misapplication of recessed lighting can result in fires and have other serious consequences. For this reason, the National Building Code of Canada and applicable Provincial and Territorial building codes specify that recessed lighting “fixtures” must not be located in insulated ceilings unless the fixtures are designed for such installation. The Canadian Electrical Code offers a [...]
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With the eventual depletion of natural resources and the uncertain international situation, there is an increasing worldwide need for green, sustainable, energy efficient, stylish and affordable mechanical/electrical systems. Of the three disciplines now regulated by the national ASHRAE / IESNA / ANSI1 Standard 90.1 (the United States’ energy standard for other than low-rise residential buildings, [...]
(No Ratings Yet)Question: Listed LED Lighting Product Categories Light emitting diode (LED) lights seem to be quickly replacing incandescent lighting as well as neon in signs. Does UL have special product categories for these types of LED lights? If so, what categories should we be looking for and where are they in the White Book? Answer Yes, [...]
(No Ratings Yet)Question: Fiber optic swimming pool light A contractor indicated that a UL Listed fiber optic swimming pool light was not provided with installation instructions. Are these instructions required as part of the Listing?
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The sign industry is currently using LED light sources for many applications. LEDS were first introduced to the sign industry, I believe, on power source equipment as indicators for conditions and problems. As the LEDS came to be used in different applications such as taillights for vehicles, traffic control, warning lights and indicator lights, their [...]
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In an effort to ensure that information is being provided to others within the electrical industry globally, I would like let you see some of the activities that Energy Safe Victoria (ESV) has undertaken for the electrical industry in the past few months, along with our normal operational activity. 1. We have made an ad [...]
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IAEI, as the keystone of the electrical industry, is a membership driven, non-profit association promoting electrical safety throughout the industry by providing premier education, certification of inspectors, advocacy, partnerships and expert leadership in Electrical Codes and Standards development.
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