The National Electrical Code: An Analysis and Explanation of the Underwriters' Electrical Code, Intelligible to Non-expertsC. A. Hewitt, 1896 - 222 стор. |
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The National Electrical Code: An Analysis and Explanation of the ... Richard Henry Pierce Повний перегляд - 1896 |
The National Electrical Code. an Analysis and Explanation of the ... Richard H. Pierce,R. E. Richardson Попередній перегляд недоступний - 2015 |
The National Electrical Code: An Analysis and Explanation of the ... Richard Henry Pierce Попередній перегляд недоступний - 2022 |
Загальні терміни та фрази
allowed alternating current amperes approved insulating arc lamp arc light attached building called carbons ceiling Central Station CHAPTER circular mils CLASS CODE COVERED coil combination fixture combustible material concealed conductors connected construction cord cuit damp direct current double pole ductors dynamo earth elec electric light energy exposed floor flow fuse fusible cut-out gas pipe glass or porcelain globe ground hazard heat incandescent lamps inch in thickness inflammable material inside installed insu insulating covering insulating joint insulating material insulating supports insulating tubes insulation resistance liable light and power light or power lightning arrester LOW POTENTIAL SYSTEMS mechanical injury megohm metal moisture moulding multiple arc number of lamps ohms operate opposite polarity ordinary path placed plates practice prevent primary battery protected rheostat rubber Rule secure shunt socket soldered spark arrester splices switch board tion transformer tricity trolley wire underwriters volts Vulca walls