Old Receptacle Types

How to select the right type of electrical receptacle outlet.

Old receptacle types. The type 11 plug is unearthed with two 4 mm diameter round pins spaced 19 mm apart. Buy new receptacle with 20 amp rating of same type grounded or ungrounded as one you re replacing. Plug socket types around the world. Some have loads connected through snap switches installed in the neutral conductor.

It s important to use 20 a rated receptacles if the electrical circuit is a 20 amp circuit. 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. There are currently 15 types of domestic electrical outlet plugs in use worldwide each of which has been assigned a letter by the us department of commerce international trade administration ita starting with a and moving through the alphabet. 3 prong 15 amp 125 volt outlets.

Type a and b plugs are not insulated i e. Both sockets will accept type 11 and type 12 plugs and also the 2 5 a europlug. Types of electrical receptacles. The type 12 socket has no recess while the type 13 socket is recessed.

They do not have a black covering towards the plug body like type c g i l or n plugs and the outlets are not recessed into the wall which means that if a the plug is pulled halfway out its prongs are still connected to the socket. 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. Take off plate that covers receptacle by removing center screw with screwdriver.

Some old wiring designs of this type have shared neutral conductors actually a form of multiwire branch circuits connected at unforeseeable points downstream of the receptacle. What are the most common american electrical outlet types. Inspect old receptacle to see whether it can take a plug with a round prong for grounding in addition to two flat blades. 120 240 volt outlets before making your purchase inspect the plug and determine the amperage requirements of the appliance you intend to use on that outlet to make sure it is compatible with the receptacle s slot pattern.

The pin shanks are not sleeved. Another type of plug you may have in your home is a gfci outlet or a ground fault circuit interrupter outlet this type of outlet is usually found anywhere in your home where the outlet or things plugged into an outlet could potentially get in contact with water. I believe some microwaves and refrigerators require a 20 amp circuit which would use a 5 20 type plug.