The National Electrical Code: An Analysis and Explanation of the Underwriters' Electrical Code, Intelligible to Non-expertsC. A. Hewitt, 1896 - 222 стор. |
З цієї книги
Результати 1-3 із 3
Сторінка 197
... circular mils . In ordinary computations and comparisons , circular mils are used instead of areas . The circular mils of a wire are propor- tional to its sectional area . The square mils may be obtained from the circular mils by ...
... circular mils . In ordinary computations and comparisons , circular mils are used instead of areas . The circular mils of a wire are propor- tional to its sectional area . The square mils may be obtained from the circular mils by ...
Сторінка 198
... Circular Safe Carry- Circular Mils . ing Capa- city in Mils ing Capa- per Am- Amperes . pere . city in Amperes . Mils per Am pere . I. II . III . IV . V. VI . VII . 0000 .46 211600 218 971 312 679 000 .4096 167800 ⚫ 181 927 262 640 00 ...
... Circular Safe Carry- Circular Mils . ing Capa- city in Mils ing Capa- per Am- Amperes . pere . city in Amperes . Mils per Am pere . I. II . III . IV . V. VI . VII . 0000 .46 211600 218 971 312 679 000 .4096 167800 ⚫ 181 927 262 640 00 ...
Сторінка 199
... CIRCULAR MILS VI 100 . CIRCULAR MILS OPEN WORK APPENDIX . RULES AND. 200 . iso . OPEN WORK CONCEALED WORK IV CURVES SHOWING SAFE CARRYING CAPACITY OF INSULATED WIRES 150000 200,000 10,000 300 . 200 . 20,000 400 . 30,000 . ( 1 )
... CIRCULAR MILS VI 100 . CIRCULAR MILS OPEN WORK APPENDIX . RULES AND. 200 . iso . OPEN WORK CONCEALED WORK IV CURVES SHOWING SAFE CARRYING CAPACITY OF INSULATED WIRES 150000 200,000 10,000 300 . 200 . 20,000 400 . 30,000 . ( 1 )
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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