McGraw Hill's National Electrical Code Handbook

McGraw Hill's National Electrical Code Handbook

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Unfinished Attics and Roof Spaces. Where wires are run on knobs or through tubes in a closed-in and inaccessible attic or roof space, the wiring is concealed knob-and-tube work; but if the attic or roof space is accessible, the wiring mustanbsp;...


Title:McGraw Hill's National Electrical Code Handbook
Author:Joseph F. McPartland
Publisher:McGraw-Hill Companies - 2002
ISBN-13:

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