![]() You'll notice that the heavier-duty 20-Amp electrical receptacle has that T-slot at it's wider connection opening - an easy way to identify a wall receptacle rated for 20-Amps - provided that the receptacle was properly matched to the wire size and the circuit breaker or fuse size.ĭetails about how to wire up an electrical receptacle areĪt ELECTRICAL RECEPTACLE CONNECTION DETAILS - where to connect black, white, red, green, ground wires. If you plug a 20-Amp appliance into a 15-Amp circuit you are risking overloading the circuit and tripping the circuit breaker, blowing the fuse, or worse, overheating the circuit and risking a fire.īelow our photographs illustrate a 15-Amp grounded electrical (below left) and a 20-Amp grounded electrical receptacle (below right). It's generally ok to plug a 15-A appliance into a 20-A circuit since that appliance is not going to overload the circuit in normal use. Some 20-Amp electrical receptacles are designed to accept either conventional plugs used by a 15-A appliance as well as 20-A plugs used by a 20-A appliance. The proper type of electrical receptacle must be selected: some receptacles are rated only for 15-Amp circuits and must not be installed on a 20-Amp circuit.Ģ0-Amp electrical receptacles may be designed to only accept plugs for 20-Amp appliances (which may have a different plug-spade configuration in which one of the plug terminals is twisted to be at 90 degrees to the other). Choose the Proper Electrical Receptacle Type We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Electrical receptacles (also called electrical outlets or "plugs" or "sockets") are simple devices that are easy to install, but there are details to get right if you want to be safe. This article series describes how to choose, locate, and wire an electrical receptacle in a home. Remember to install AFCI or GFCI devices where they are required. Don't install a grounded electrical receptacle plug on a circuit that has no electrical ground. It's important to use 20-A rated receptacles if the electrical circuit is a 20-amp circuit. We describe both 120V receptacles and 240V receptacles. ![]() ![]() This article explains how to match the receptacle type to the circuit type and use. We also illustrate some antique electrical receptacles such as early round-pin Hubbel devices. We describe special electrical receptacles for use when no ground wire is present. Here we illustrate and explain the uses of various types of electrical receptacles including 15-A vs 20-A rated devices, special receptacles for certain locations such as floor-mounted electrical receptacles and outdoor-use receptacles. Types of electrical receptacles: how to select the right type of electrical receptacle (outlet): We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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