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Making the AC utility connection
IAE Magazine Share    
Connecting the utility-interactive inverter to the utility grid properly is critical to the safe, long-term, and reliable operation of the entire system. The AC output circuit requirements and the circuits that carry the inverter current in the premises wiring are somewhat complex. However, meeting
Code requirements can and should be accomplished to ensure a safe and durable system.
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Dodgy wiring threatens thousands of New Zealand homes
3 News
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There are serious concerns about the extent of faulty wiring being installed in New Zealand homes by companies looking to cash in on the high demand for heat pumps, thanks to the Government's home insulation scheme. Members of the refrigeration and air conditioning industry have
written to Energy Minister Gerry Brownlee asking for action, as faulty work could end up costing lives.
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Where the green things are
NFPA Journal
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The term "green roof" covers a multitude of technologies and design philosophies, including rooftops that host photovoltaic (PV) arrays, or even wind turbines. In optimal situations, PV roofs can generate all the electricity a building needs, and sometimes more, reducing the need for
energy created by burning fossil fuels and providing savings on utility costs. While some PV roofs began to appear as far back as the 1970s, rising energy costs, the availability of lower-cost and higher-performance PV systems, and government incentives have all combined to boost their popularity. But popular doesn’t necessarily mean safe.
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Legrand/Pass & Seymour's Tamper-Resistant Hallway Light Receptacle combines a single receptacle with an LED nightlight lasting 20 years. A photocell illuminates the light
in the dark and turns it off in daylight. Meeting NEC® tamper-resistant requirements, the built-in shutter system lets plugs in but keeps other objects out. More info. MORE
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Counterfeit
Christmas lights just part of a growing crime among electrical products
PR Newswire via Yahoo! Finance
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Counterfeit Christmas lights are just the tip of the iceberg in the fast-growing crime of counterfeit electrical products, which now rank 5th among counterfeit seizures in the United States. Often carrying fake Underwriters Laboratories, Inc. (UL) labels, counterfeit holiday lights, extension cords and multiple-outlet power strips pose a threat to consumers for their potential inability to meet electrical safety and fire codes. Extension cords with mislabeled, undersized wiring can
overheat, and counterfeit lights are potential fire hazards. Counterfeiting has now reached epic proportions in a $130 billion industry -- 90+ percent of which are imported from China.
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2008 One- & Two-Family Dwelling Prepublication Program
IAEI
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The 2008 One- & Two-Family Dwelling book will be available in mid-January 2010. Here is an excellent opportunity to make your purchase in advance and save almost 50 percent off the list price. To participate in IAEI’s One- & Two-Family Dwelling Prepublication Program you must purchase a minimum of 10 books. This discount applies to case quantity only (10 books per case). Also, your order must be received and paid for by Friday, January 22, 2010
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A solar power surge
The Tribune
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According to Pacific Gas and Electric Co., 456 homes and 29 businesses in San Luis Obispo County, Calif., have installed solar panels since the beginning of 2007. Together they produce some six mega-watts of power, enough to power about 6,000 homes. Throughout PG&E's service region in Central and Northern California, more than 30,000 photovoltaic systems have been installed, more than any other utility in the nation, said Kory Raftery, PG&E spokesman."In fact, this represents 40
percent of the installs throughout the entire United States," he said.
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Enclosure-rated PLC ports
InTech
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NFPA 70E is often referred to as the arc flash standard, and this electrical safety guideline allows for few exceptions when working on live voltage in and around enclosures. If voltage is present, then electrical incidents can happen, and the incidents only happen if voltage is
present. Therefore, creating a barrier that keeps workers away from voltage, or an arc flash explosion, is a sure way to increase electrical safety around enclosures.
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AFC's NEW MC-Quik™ & MC-Stat™ install in a Snap without the Wrap. Each contain an oversized aluminum grounding wire
plus armor for equipment grounding. MC-Quik does not have overall conductor wrap. MC-Stat for HCF has a green grounding conductor (NEC 517), no paper wrap. It's a Snap without the Wrap.
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From component evaluation to wind turbine field evaluation, Intertek is an expert in national and regional regulatory compliance. Avoid costly delays with quick response, third-party field labeling of unlisted large and small wind turbines. Get expert information on electrical safety compliance for wind turbines by downloading our free whitepaper now! More info
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Thomas & Betts offers one-stop-shopping for electrical conduit and fittings with a portfolio of leading brand names. Whether for hazardous location applications, such as an oilrig or
refinery, heavy-duty applications such as manufacturing or transportation, or light-duty applications such as hospitals or hotels, you can count on the brands of Thomas & Betts for dependable, quality assurance.
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Since 2000: IBC - Chapter 30 has required Electrical and Mechanical Listing Requirements for Automotive Lifts.
More info
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