240 Volt Outlet Types
The 120 volt duplex receptacle a receptacle with two outlets is the workhorse of any residential electrical system.
240 volt outlet types. Installing an outlet for these appliances is no more difficult than than installing a standard 120 volt wall outlet. Mains electricity by country includes a list of countries and territories with the plugs voltages and frequencies they commonly use for providing electrical power to low voltage appliances equipment and lighting typically found in homes and offices. The name of the plug has no special meaning so you don t really have to worry too much about it. This is a 220v 20 amp outlet as shown in the how to 220 volt outlet video likely to be used this for larger power tools in your garage or shop or perhaps a wall air conditioner.
Each of these outlets is a 240 volt outlet designed to supply more electrical power for your larger appliances through the 240 volt wiring and 240v single phase plug. The best option is to purchase a duplex outlet that has both types of connectors. 220 volts 30 amps wire connections for x y w 240 volt receptacle dryer outlets the black wire attaches to outlet terminal x the red wire attaches to outlet terminal y the white neutral or green wire or ground wire. Larger home appliances such as electric ranges dryers and some air conditioners use a 240 volt supply rather than the usual 120 volts.
Countries that operate on 100 127 volts are greatly outnumbered. Older three prong outlets were designed to contain two live wires and one neutral. Recently 240 volt outlets have switched from three prong to four prong. 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.
Use this nema plug chart to identify a configuration by pin array or designation. The nema plug chart provides technical drawings and specifications for nema straight blade plugs connectors receptacles inlets outlets and cords. Certain plugs could be compatible with both 220 and 240 volt arrangements so do remember to exam the outlet and appliance voltage beforehand. There are about 15 types of plug currently in use nowadays each of them come with a letter for convenient identification.
Newer four prong outlets have an l on top two vertical side holes and a single half circle hole on the bottom for the ground wire. For industrial machinery see industrial and multiphase power plugs and sockets some countries have more than one voltage available. These are also quite different from the standard 120v outlets having more wires higher voltage and greater hazards and safety risks. The list also reveals that types a and c are the most frequently used electric plugs worldwide.