Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 336
nnot be used in damp places, or in roomswhere it will be subjected to fumes, or in concealed work orelevator shafts. Approved rubber covered wire should beused when it is placed in moulding. The same precautionsshould be taken in protecting the wires in this class of workwhere they pass through… … Moulding loor
Electrical engineering
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