Any conductor intended solely for grounding purposes shall be identified by a green color unless it is bare. Convenience Outlets ... These convenience outlets are designed for 110 or 220 volts, with some 110-volt units and all 220-units polarized. (A recent practice in ... National Electrical Code (NFPA No. 70). Boston : Theanbsp;...
|Title||:||School Plant Management Series, School Building Maintenance Procedures|
|Author||:||United States. Education Office|