A. When installing speaker wire behind a wall or ceiling a UL/CL rated wire should always be used. This classification of wire adheres to national standards for in wall wiring, based on such criteria as fire, chemical, and abrasion resistance.
Speaker wire size is measured in gauge using the AWG, or American Wire Gauge, system. A larger gauge will better conduct current, or power, from your electronics to the speaker. In general, a larger gauge (lower AWG number) will carry more current over a greater distance without loss. Common sizes from largest to smallest are 12, 16, and 18 gauges. It is always best to use a larger size if in doubt. Wire should always be budgeted into a system, as it is usually not included with the speakers.
- Jeff Litcofsky
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