9 Types of Electrical Outlets You Can Have in the Home

  • 15A, 120 Volt Outlets. These are the most common in older homes and come in two versions: …
  • 20A, 125 Volt Outlets. …
  • 20A, 250 Volt Outlets. …
  • Tamper-Resistant Receptacles. …
  • GFCI Outlets. …
  • AFCI Outlets. …
  • Switched Outlets. …
  • USB Outlets.

What are the 4 types of electrical outlets?

7 Electrical Outlet Types & How To Use Them

  • 15-Amp Duplex Receptacle. In the U.S., most homes have a combination of 15-amp and 20-amp, 120-volt circuits. …
  • 20A Outlets. 20A outlets, combined with 20A circuits, are a good choice for devices in need of more power. …
  • Switched Outlets. …
  • GFCI & AFCI Outlets. …
  • USB & Smart Outlets.





What is the difference between plugs and receptacles?

The difference between a plug and receptacle is that plugs have prolonged connecting pins which fit into a mating socket called a receptacle. A receptacle connector is sometimes called a jack. A receptacle will have mounting features such as a flange with holes.

What are different types of plugs?

NEMA Plugs (Type A, B)

  • Type A (NEMA 1-15) Plugs. Type A electrical plugs are ungrounded plugs that consist of two flat parallel prongs. …
  • Type B (NEMA 5-15) Plug. …
  • Type C (CEE 7/16 and CEE 7/17) Plugs. …
  • Type E (CEE 7/5) Electrical Plugs. …
  • Type F (CEE 7/4) Plugs. …
  • CEE 7/7 Plugs. …
  • Type D (BS 546) Plugs. …
  • Type M (BS 546) Plugs.

Why is AC plug different?

At a higher voltage, electric companies can deliver the same power with less current – picture a narrow stream flowing quickly compared to a wider stream flowing slowly. And less current allows for thinner wires. Since the copper that’s used for electric wires is expensive, higher voltage could save money.

What are 3 prong outlets called?





GFCI Outlet – Also known as Ground Fault Circuit Interrupter, GFCIs are three-prong outlets with an added safety mechanism to prevent shock. When a current is too strong or on an unintended path, a GFCI quickly shuts off power to lessen the severity of the shock.

Is a wall outlet AC or DC?

When you plug things into the outlet in your house, you don’t get DC. Household outlets are AC – Alternating Current.

What is considered a receptacle?

A receptacle is a contact device installed at the outlet for the connection of an attachment plug. A single receptacle is a single contact device with no other contact device on the same yoke. A multiple receptacle is two or more contact devices on the same yoke.

What are receptacles used for?

Electrical outlets, also known as receptacles, are sockets that are used to establish an electrical connection between an electronic device and power supply.

What is a power receptacle?



An electric receptacle is an opening or series of openings connected to a wired power source meant to power electrical equipment and components in a building by connecting them to the primary alternating current (AC) power supply. Electrical grade outlets normally use a 125V, 15A straight blade receptacle.

Does AC need special plug?

A good rule of thumb is that units with a rating higher than 15,000 BTUs will require a dedicated 220-volt circuit. Some air conditioners also feature a non-standard plug, indicating that it may require a dedicated circuit.

What are the 3 types of connectors?

By Michael Pecht and San Kyeong electrical connectors



Electrical connectors are classified into three types based on their termination ends: board-to-board connectors, cable/wire-to-cable/wire connectors, and cable/wire-to-board connectors.

Which socket is used for AC?



AC power plugs and sockets connect electric equipment to the alternating current (AC) power supply in buildings and at other sites. Electrical plugs and sockets differ from one another in voltage and current rating, shape, size, and connector type.

Can AC run on normal socket?

The lower two voltage ratings are common in smaller units, while units with a rating higher than 15,000 BTUs will require a 220-volt circuit. Smaller units with a 115 volt and 15 amp requirement will be able to operate off a standard household outlet.

What are the two types of sockets?

Sockets come in two basic types—connection-oriented and connectionless. These terms refer to types of protocols.

Why are there different plug types?

The reason why the world is now stuck with no less than 15 different styles of plugs and wall outlets, is because many countries preferred to develop a plug of their own, instead of adopting the US standard.

What does A Type C plug look like?



Type C (electrical socket/electrical plug)



The Type C plug (also called the Europlug) has two round pins. The pins are 4 to 4.8 mm wide with centers that are spaced 19 mm apart; the plug fits any socket that conforms to these dimensions.

What is A universal outlet?

Proven in service with airlines throughout the world the IFPL Universal Power Outlet is designed to deliver 110V AC power to passengers’ devices; enabling passengers to use and charge their own mains powered electronic devices, e.g laptops and DSLR cameras, from the comfort of their seat.

When should I use 20 amp outlets?

Large consumers, especially kitchen appliances, such as microwaves, blenders and toasters, need a dedicated 20 amp circuit, to ensure a constant energy flow, which means they cannot share the circuit with other devices.

How do I know if my outlet is 15 amp or 20 amp?

Quote from the video:
Quote from Youtube video: And again it has a t-shaped neutral slash so it can receive a special 20 amp plug in addition to the standard 15 amp plug. However. Your 15 amp plug receptacles.

Is it OK to replace a 15 amp outlet with a 20 amp?



The amperage of the outlet must never exceed the amperage of the circuit. According to National Electrical Code, only a 15-amp or 20-amp electrical receptacle can be installed to a 20-amp circuit.