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Underwriters and Codes
Basic Principles and Measurements
38 other sections not shown
2-wire circuits 3-phase 3-way switches alternating current amperage amperes appliances armored cable battery black wire branch circuit building bulb candle power carrying capacity ceiling Chap circuit breaker circular mils Code in Sec Code requires Code Sec conductor conduit connected connector controlled cord covered demand factor diameter disconnecting means equipment example feeder floor flow fluorescent fluorescent lamp foot-candles full-load current fuses grounded wire horsepower illumination installed insulation knob and tube lamp larger light locations locknut lumens maximum meter minimum motor mounted National Electrical Code neutral wire opening operating ordinary outlet box overcurrent device overcurrent protection panelboard permitted pull raceway ranges rated receptacle outlets rubber rubber-covered wire separate service switch shown in Fig similar simple single-phase sizes small appliance socket solder switch box Table terminal transformer type shown ungrounded usually voltage drop volts wall wattage watts white wire wires run