The National Electrical Manufacturers Association (NEMA), Rosslyn, Va., had a major role in the new federal efficiency standards for pole-mounted outdoor lighting. Along with setting minimum task lumens per watts (LPW) requirements and a tiered enactment structure through 2016, the new law would ban the manufacture of general-purpose mercury-vapor lamps after January 1, 2016. These are the least efficient type of high intensity discharge (HID) lamp and can be replaced with other types of H
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