


It allows a light to be turned on and off from a single location.ĭouble pole switch -This is the same as the single pole switch in that it turns a light on and off from a single location but it has two 'hot' wires so it can handle 220v. Single pole switch - This is the most common type of switch. Renowned architects and engineers are clamoring to land the prized job to design the long-overdue reconstruction of New York Penn Station, and New York Gov.

Let's just get some of those switch names explained.
