CIR has various meanings in the Business & Finance category. Discover the full forms, definitions, and usage contexts of CIR in Business & Finance.
An electrical arrangement requiring a source of voltage, a closed loop of wiring, an electric load and some means for opening and closing it. Or Optimum fire rating issued by Underwriter's Laboratories on roofing. The building codes in some areas require this type of roofing for fire safety. or The path of electrical flow from a power source through an outlet and back to ground.
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