Deregulation and divestiture: The impact on the Air Force

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On some transmission lines, taking out a tower can cause a domino effect, resulting in a cascade collapse of several adjacent towers. 5 Taking out a tower where two lines cross can disable both circuits at once. 5 Transmission lines normally consist mainly of suspension towers that are intended to support the conductors, which are under tension to minimize sagging. When the building's structural steel is effectively grounded, each TGB should be bonded to the steel within the same room with a No. 6 AWG conductor.

Pages: 191

Publisher: Air Force Communications Command (1989)

ISBN: B00071ZW5K

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