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 70-108
... Bonding Other Enclosures . Metal raceways , cable trays , cable armor , cable sheath , enclosures , frames , fittings , and other metal noncurrent- carrying parts that are to serve as grounding conductors with or without the use of ...
... Bonding Other Enclosures . Metal raceways , cable trays , cable armor , cable sheath , enclosures , frames , fittings , and other metal noncurrent- carrying parts that are to serve as grounding conductors with or without the use of ...
Page 70-109
... Bonding Jumper . The bonding jumper shall not be smaller than the sizes given in Table 250-94 for grounding electrode conductors . Where the service- entrance phase conductors are larger than 1100 MCM copper or 1750 MCM aluminum , the ...
... Bonding Jumper . The bonding jumper shall not be smaller than the sizes given in Table 250-94 for grounding electrode conductors . Where the service- entrance phase conductors are larger than 1100 MCM copper or 1750 MCM aluminum , the ...
Page 70-558
... Bonding of Noncurrent - Carrying Metal Parts . ( a ) Required Bonding . All exposed noncurrent - carrying metal parts that may become energized shall be effectively bonded to the grounding terminal or enclosure of the distribution ...
... Bonding of Noncurrent - Carrying Metal Parts . ( a ) Required Bonding . All exposed noncurrent - carrying metal parts that may become energized shall be effectively bonded to the grounding terminal or enclosure of the distribution ...
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