Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 101
h end of it, ex-tending far enough to keep the wire absolutely out of contactwith the pipe. The exception mentioned is in regard to wires at outletswhere they are required to be in approved flexible tubing fromthe last insulator to at least one inch beyond plaster, or endof the cap on gas piping.… … loom
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
