GENERAL REQUIREMENTS FOR WIRING INSTALLATIONS


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GENERAL REQUIREMENTS FOR WIRING INSTALLATIONS
GENERAL REQUIREMENTS FOR WIRING INSTALLATIONSCONDUCTOR REQUIREMENTS318. Size of conductors. No wire smaller than 14 AWG is allowed for general interior-wiring work. Wires of 18 or 16 AWG may be used for fixture wiring, flexible cords, and some other special applications as given in Sec. 32 of Div. 3. Although 14 AWG wire is allowed for branch circuits, it is a good practice not to use wire smaller than 12 AWG. The larger 12 AWG wire costs only about 20 percent more than 14 AWG, can usually be placed in the same-size conduit or raceway, will have greater mechanical strength, and will reduce the voltage drop and the
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. GENERAL REQUIREMENTS FOR WIRING INSTALLATIONS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export