Many DIY enthusiasts have to contend with electrical wiring eventually in some capacity. The descent into this rabbit hole often begins with the fundamental question: What exactly is a wire gauge, and ...

A wired doorbell system has three components: a low-voltage (15- to 20-volt) transformer, a chime and a doorbell button. They are connected by 18- or 20-gauge low-voltage wires. Although it’s at low ...