Wired for Integration

What's wrong with this 5 minute tech quiz august 2015

Examine the photo and determine what is wrong in this picture.

This month's quiz is sponsored by Southwire.

Learn more at http://vdvtest.southwiretools.com.

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Answer to 'What's Wrong With This?'

Aside from the missing screw, the wires are protruding from both the top and the bottom of the terminal strip. In addition, wires are all on one side of the pressure plate causing an uneven tightening of the screw and the plate. Lastly, there are several different types of wire being used on this control panel. (Note: this installation was done in 1988, and the wire was unjacketed twisted pair wire with no UL listing marks on it.)

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Roy Pollack, CPP, SET, holds Level IV certification in the field of fire alarms from NICET is currently the director of Compliance for Devcon Security Services Corp., Hollywood, Fla., and may be reached at sdmtechtips@bnpmedia.com.