120 Volt Outlet Types

Because 15 amp receptacles can be used with 20 amp circuits most of the outlets you see in american homes are the standard 15 amp variety with two slots and a u shaped grounding hole.

120 volt outlet types. The 120 volt label is just a nominal figure. Any device that says it runs on 110 volts can be plugged into a 120 volt outlet. Use this nema plug chart to identify a configuration by pin array or designation. Providing both 120 and 240 volts these receptacles have four plug in slots two that are hot one that is neutral and one that is grounding.

Please remember not all 220 volt outlets use a neutral white wire. The actual voltage could be anywhere in the range of 110 125 volts and modern electrical devices are built to tolerate the fluctuations. The nema plug chart provides technical drawings and specifications for nema straight blade plugs connectors receptacles inlets outlets and cords. Most homes in the u s.

Nema 5 15r is a modern 120v 125v 15 amp grounded receptacle. For example a table saw which requires a 240 volt receptacle will have one of the unique prong configurations pictured. The best option is to purchase a duplex outlet that has both types of connectors. For the most part you are going to see 120 volts 15 amp and 20 amp.

Because household wiring has remained standardized almost from the time it was introduced you can plug even the oldest tools and appliances into a modern duplex receptacle. Are wired with a combination of 15 amp and 20 amp 120 volt circuits. To give you a general idea let s say you just bought an air compressor from home depot. The 120 volt duplex receptacle a receptacle with two outlets is the workhorse of any residential electrical system.

And 220 2 wire 3 wire and four wire types. 7 30 is a larger diameter connector with an l shaped neutral while the 7 50 has an enlarged neutral pin compared with the hot. Nema 5 20r is a modern 120v 20 amp grounded receptacle. Most important in the classification of outlets is voltage and the amperage they are suited for.

Truepower electrical duplex outlet receptacle with 2 usb ports 1 high power usb c port and another usb a total 4 8 amp 4 pack model ace 95014hd 79 95. Such large appliances as a kitchen range or clothes drawer require a combination 120 240 volt receptacle the 240 volt to power the appliance itself and the 120 volt to power the timer and other minor functions. The 15 a 7 15 plug has the crowsfoot current carrying pins of the type i plug but with a u shaped earth pin. It requires 220 volts but the plug only has three prongs.

Nema 7 devices are 2 pole and ground connectors rated at 277 v. 20 amp receptacles have a horizontal slot branching off one of the vertical slots.