220 Volt Outlet Types
Please remember not all 220 volt outlets use a neutral white wire.
220 volt outlet types. 20 amp receptacles have a horizontal slot branching off one of the vertical slots. Use this nema plug chart to identify a configuration by pin array or designation. The table shows that in most countries the mains supply is between 220 and 240 volts 50 or 60 hz. These are used for both 220 volt and 127 volt regions of the country despite the iec 60906 2 recommendation that nema 5 15 be used for 120 v connections.
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. These plugs are meant for ovens dryers and other high powered appliances that you simply can t power with a standard 110v outlet. The nema plug chart provides technical drawings and specifications for nema straight blade plugs connectors receptacles inlets outlets and cords. There are two main types of 220 outlets and they require extra precautions and special equipment for wiring.
Are wired with a combination of 15 amp and 20 amp 120 volt circuits. Certain plugs could be compatible with both 220 and 240 volt arrangements so do remember to exam the outlet and appliance voltage beforehand. I looked at the big box store and there are way to many types of plugs and outlets to choose from. And 220 2 wire 3 wire and four wire types.
While most outlets transfer 120 volts larger appliances like dryers stoves and air conditioners require more power and use a 220 volt outlet. The name of the plug has no special meaning so you don t really have to worry too much about it. There are about 15 types of plug currently in use nowadays each of them come with a letter for convenient identification. Most us homes are wired with 110 volt breakers and power outlets which actually range from 110 to 125 volts.
I m looking into upgrading to some 220 volt tools soon and would like to have the outlets installed before hand. However some larger appliances use higher voltage and may need 220 outlets. Countries that operate on 100 127 volts are greatly outnumbered. One for 10 a with a 4 0 mm pin diameter and another for 20 a with a 4 8 mm pin diameter.
The list also reveals that types a and c are the most frequently used electric plugs worldwide. For the most part you are going to see 120 volts 15 amp and 20 amp. 220 volt outlets are the most powerful plugs that you ll find in most residential homes around the united states. Most homes in the u s.
Do most 220 volt tools have the same type of plug on them.