Single pole devices or switches are one of the several types of electrical switches, including three-way devices, double-pole devices, and four-way devices. Single pole devices are usually used for lighting and in nearly all other electrical devices to turn the electrical current on and off. Single pole devices may feature different switching styles, such as rocker, toggle, push-button, and slider switches. As a general-purpose switch, the single pole device uses one location to control a receptacle, light, and other parts. A typical toggle-style single pole device has its on, and off switch faces marked on the switch, which is only common in single-pole devices. They are connected to the power source wires via screw terminals that are brass-colored, with one wire designated for incoming power and the other for fixture outgoing power. Many single-pole devices also feature a terminal that connects to the grounding wire in the circuit.MRO Supply is your best bet at getting bins, carts, pallet jacks
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