Code Corner: Codes and Standards: Cost and Performance Impacts
John Wiles answers the charges that NEC compliance costs too much and imposes performance penalties in small scale RE systems.

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Code Corner: Disco Madness: The Whys & Wheres of Disconnects
In the event of an emergency, disconnect switches are used to rapidly disconnect the external power source conductors from the circuits in a building or structure (National Electrical Code Sections...

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ECAR Fact Sheet for California Air Bag Cartridges
Air bags are compromises. Cars are equipped with them in order to try to make the best of a very bad situation (a collision). But the air bag cartridges contain an explosive chemical, sodium azide.

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ECAR Fact Sheet for California Septic Tanks and Disposal Wells
There is a simple rule for determining when it is OK to put industrial wastewater into a septic system - never. You can dispose of "sanitary wastes" from ordinary lavatory use or hand washing in a...

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ECAR Fact Sheet for California Solvent Cleaning
Various methods are used to clean oil and grease from auto parts before sale. This fact sheet covers the environmental issues associated with solvent cleaning methods such as parts washers containing...

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ECAR Fact Sheet for California Waste Fuel
Because waste fuel (gasoline or diesel) is flammable, it is classified as a hazardous waste, and you need to manage it according to the hazardous waste rules. This fact sheet will outline the rules...

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ECAR Fact Sheet for Illinois Aqueous Cleaning
Various methods are used to clean oil and grease from auto parts before sale. This fact sheet covers the environmental issues associated with aqueous cleaning methods such as enclosed spray washers...

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ECAR Fact Sheet for Illinois Mercury
Mercury, a silver-colored liquid metal, is extremely toxic to the nervous system and may impair the way we see, hear, walk and talk. When spilled, mercury can evaporate at room temperature and the...

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ECAR Fact Sheet for Iowa Used Oil
Used oil is insoluble, persistent and may contain toxic chemicals and heavy metals. If spilled on the ground, poured down storm drains or disposed of with trash, it can pollute surface water or...

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ECAR Fact Sheet for Iowa Used Oil Filters
In the past, the majority of used oil filters were disposed of in landfills. Today, millions of filters are being recycled. Oil filters are usually made from paper, metal and rubber. Used oil filters...

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