250-volt outlets need a double-pole circuit breaker installed in your main panel, a job best left to an electrician. For such uses, this is the type of electrical outlet to choose.īefore installing these 20A, 250-volt outlets, you will need the proper circuit in place. Large appliances like air conditioners, air compressors, and hobby shop equipment need even higher levels of power. These may even be a perfect fit for some washing machines, dishwashers, and space heaters.īest for: Larger appliances that require more power. You can tell these apart from the 15A version by looking for a small horizontal slot alongside the vertical ground slot. Building codes recommend installing 20A outlets for some appliances, such as large kitchen gadgets, that need more power to function. These electrical outlets support a larger power draw than the previous type. For improved safety and efficiency, it can be a prudent idea to choose more modern alternatives on this list.īest For: Light home use with appliances that have minimum voltage and amperage requirements. At the same time, these can also be prime candidates for an upgrade in the near future. These are also the cheapest types of electrical outlets on the market and easy to install or replace. The three-pronged version adds a ground pin and an extra vertical slot to help prevent electric shock from loose wiring.Two-pronged outlets feature two long connection slots and provide an ungrounded connection.
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