Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 262
ing tubing. In judging an installation of wires in concealed work, specialattention should be paid to the wire joints. The rules allow theseto be made in concealed spaces by means of soldered joints wellcovered with both rubber and friction tape. The wiring is usually 233 no UNDERWRITERS… … Fig. 111. Defective Joint Found in Actual Use 111 shows such a defective joint which was found behind a lath-and-plaster partition. The joint was not taped and was hot when dis-covered. AVhat is called the loop-plan is occasionally employed,all joints or taps being made at outlets where suitable…
Electrical engineering
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