Signal Cables
The common method to wire shielded cables is to ground only the source end of the shield to avoid ground loops. However, in airplanes special cable is used with both an outer shield to protect for lightning and an inner shield grounded at one end to eliminate hum from the 400 Hz power system.
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Famous quotes containing the words signal and/or cables:
“A signal is comprehended if it serves to make us notice the object or situation it bespeaks. A symbol is understood when we conceive the idea it presents.”
—Susanne K. Langer (1895–1995)
“On the bare upland pasture there had spread
O’ernight ‘twixt mullein stalks a wheel of thread
And straining cables wet with silver dew.”
—Robert Frost (1874–1963)