L1-14C.21 – Radio Frequency Interference Also known as RFI From nearby radio towers, cellular sites, broadcast antenna’s, etc. This is a rare problem, but not unheard of if you clip a linemans test set on the wiring and hear static you have...
L1-14C.20 – Electro-Magnetic Interference From Lightning – Can travel great distances over power lines, telephone lines or any conductor Can be picked up by the zone wiring Use twisted wire to reduce this effect From light ballast’s or utility power...
L1-14C.19 – Excessive Wire Length Verify wire runs over 200’ Iwill work by checking the installation instructions If there is no chart in the manual – call the manufacturer Keep in mind, the electrons have to travel 200’ out AND 200’ back to the...
L1-14C.18 – Undersize Wiring Mostly a factor on; Long runs (>200’) Data or Polling loops High current devices (i.e. sirens & horns) Most manufacturers recommend a minimum of 22AWG wire for zones and 18AWG (minimum) for the transformer and siren Read the...
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