For shorter runs under 50 feet, 16-gauge wire works fine for bookshelf or smaller tower speakers. If your setup requires ...

A typical extension cord wire is a 16-gauge, meant for everyday chargers and lamps of up to 15-amp, but a heater needs that full capacity on its own— and oftentimes more.

A typical 16-gauge wire would have a diameter of roughly 0.051-inch, not counting for the insulation, all of it consisting of stranded wire. The use of stranded wire in automotive applications is ...