120 Volt Outlet Types

Nema 5 20r is a modern 120v 20 amp grounded receptacle.

120 volt outlet types. Are wired with a combination of 15 amp and 20 amp 120 volt circuits. Nema 6 15r is a modern 220 240v 250v 15 amp grounded receptacle. Truepower electrical duplex outlet receptacle with 2 usb ports 1 high power usb c port and another usb a total 4 8 amp 24 watt model ace 9501hd 23 96. And 220 2 wire 3 wire and four wire types.

Any device that says it runs on 110 volts can be plugged into a 120 volt outlet. The list also reveals that types a and c are the most frequently used electric plugs worldwide. Please remember not all 220 volt outlets use a neutral white wire. To give you a general idea let s say you just bought an air compressor from home depot.

Most important in the classification of outlets is voltage and the amperage they are suited for. The 120 volt duplex receptacle a receptacle with two outlets is the workhorse of any residential electrical system. For example a table saw which requires a 240 volt receptacle will have one of the unique prong configurations pictured. The table shows that in most countries the mains supply is between 220 and 240 volts 50 or 60 hz.

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. Most homes in the u s. Nema 5 15r is a modern 120v 125v 15 amp grounded receptacle. 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 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. Use this nema plug chart to identify a configuration by pin array or designation. 20 amp receptacles have a horizontal slot branching off one of the vertical slots.

Countries that operate on 100 127 volts are greatly outnumbered. The best option is to purchase a duplex outlet that has both types of connectors. 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. For the most part you are going to see 120 volts 15 amp and 20 amp.

By these features there are four main types of outlets.