Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 251
l)e opened up, but to a less extent, to prevent wear upon theinsulation. Specially j)repared paj)er tul)es are sometimes substi-tuted for the zinc. If the building is comj)leted before the wiring is done, theconcealed method described above cannot be used, and it is neces-sary to run tlie wires… … Fig. 3. is to be reconuiiencled. Two wires should never b(; secured underthe same stapN* if it can possiljly he avoided, owin^ to the danj^erof short circuits. With a littlecare it is usually possible to con-ceal the wirino; behind the pictureinouldini£,alonij the skirtintr-board,and Ijeside the…
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
