Genral rule of thumb is stranded wire, it dosent break as easy. You should use a 22gau 2 cond (usually a 4 cond is used because price is not much more and its better to have the extra just in case) for your doors and windows, a 22-4 for motion detectors, Glass Breaks, and other powered devices. Smoke detectors come as 2 or 4 wire devices, a siren wire should be 18 gau 2 cond as well as the transformer wire. The key pad depending on the system can be any where from a 2 cond to a 8 cond. Some other devices can have there own special requirements check the installation specs. If you plan on being monitored a 22-6 is a good idea to the phone company box(2 conductors for phone in 2 for phone out and 2 for a tamper. |
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