National Electrical CodeNational Fire Protection Association, 1986 - Electric engineering 1978 edition updated by: Tentative interim amendment 70-78-6 to the National electrical code, NFPA 70-1978; approved for release June 20, 1979. |
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Page viii
... Nominal . .418 Part D. Viewing , Cutting , 470 Resistors and Reactors .420 and Patching Tables .520 Part A. 600 Volts , Nominal , Part E. Cellulose Nitrate and Under .420 Film Storage Vaults .520 Part B. Over 600 Volts , Part F ...
... Nominal . .418 Part D. Viewing , Cutting , 470 Resistors and Reactors .420 and Patching Tables .520 Part A. 600 Volts , Nominal , Part E. Cellulose Nitrate and Under .420 Film Storage Vaults .520 Part B. Over 600 Volts , Part F ...
Page 70-58
... nominal , between conductors and not exceeding 277 volts , nominal , to ground shall be permitted to supply lighting fixtures for illumination of outdoor areas of industrial establishments , office buildings , schools , stores , and ...
... nominal , between conductors and not exceeding 277 volts , nominal , to ground shall be permitted to supply lighting fixtures for illumination of outdoor areas of industrial establishments , office buildings , schools , stores , and ...
Page 70-59
... nominal , shall be installed as provided in Section 710-3 . Circuits for signs and outline lighting shall be ... Nominal , or Less . Conductors of 600 volts , nominal , or less , shall comply with the spacings provided in Table 230-51 ...
... nominal , shall be installed as provided in Section 710-3 . Circuits for signs and outline lighting shall be ... Nominal , or Less . Conductors of 600 volts , nominal , or less , shall comply with the spacings provided in Table 230-51 ...
Contents
Introduction | 70-1 |
Wiring Design | 70-27 |
Part E Service Equipment | 70-125 |
Copyright | |
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Common terms and phrases
accordance with Section aluminum ampacity amperes appliance apply approved assembly attachment plug bonding jumper branch circuit building busbars cable tray circuit breaker circuit conductors Class Code comply with Section connected connectors copper corrosive covered disconnecting means Division 2 locations electric conductors Electrical Ducts enclosure equipment grounding conductor exceed Exception exposed feeder feet fittings Fixture wiring flexible cord flexible metal conduit floor full-load current fuses ground-fault protection grounding electrode hazardous classified heater heating panel horsepower inches installed insulated conductors intermediate metal conduit junction box lampholders less lighting fixtures load marked maximum MC cable metal raceways multiconductor nameplate National Electrical Code NFPA number of conductors operating outlet box overcurrent device panelboard percent permitted in Section physical damage portable receptacle recreational vehicle service-entrance space specified Splices suitable supported surface switch switchboard Table temperature terminal Thermoset transformer Type ungrounded volt-amperes voltage volts wet locations wiring methods