Plugs | Electrical Sockets

Plugs, electrical plugs, and electrical sockets provide electric equipment connection to the alternating current (AC) power supply in buildings and at other various sites and devices with power access. The plug is the mobile connecter that is a part of the electrically operated device, and the socket is on the equipment or building structure and connected to the electrical circuit. In the 1880s, plugs and sockets for portable appliances became widespread and replaced the connections to light sockets with wall-mounted outlets. Standard systems of plugs and sockets differ across the world, and as a result, electrical plugs and sockets are varied in voltage, current rating, shape, size, and connector type.

How do you install an electrical socket?

Installing a replacement electrical socket is simple. Install a replacement electrical socket by turning off the main power. Prepare the cables, strip the wires, and attach the Pigtail wires. Then connect the ground wire, and attach the neutral and hot wires to the receptacle. After attach the receptacle to the box and add cover plate over the electrical socket.

What is the line and the load in an outlet?

The line of an outlet is for the incoming power supply. The wires coming from an electrical panel should be connected to the line of the outlet. The load of an outlet is for power that is going out of the outlet. If you are installing other outlets, the other electrical wires should be connected to the load side of the outlet.

How do you tell if an electrical socket has power?

When you can’t tell if an electrical socket has power first try to plug in something else to see if the outlet works. If the electrical socket does not power anything it most likely has no power and its voltage should be tested with a multimeter. If no other electrical sockets are working it is most likely a problem with the circuit.

Text by
Cecile Kim
Updated on

Electrical Plugs & Sockets

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Type I Plug & Socket

The Type I Plug & Socket is a 2 or 3 plug socket primarily used in Australia, New Zealand, China, and Argentina. The Type I Plug & Socket is ungrounded with 2 pins or grounded with 3 pins, has an amp rating of 10 A, voltage range of 220-240 V, and is compatible with plug Type I.

The outer pins of the Type I Plug & Socket have a width of .25” (6.3 mm), height of .06” (1.6 mm), and length of .68” (17.3 mm). The two pins are set .54” (13.7 mm) apart, while the earth pin is centered and spaced .41” (10.3 mm) vertically from the others. The earth pin has a width of .06” (1.6 mm), height of .25” (6.3 mm), and length of .79” (20 mm).

Pair of elevation and plan drawings of the Type I Plug & Socket with included dimensions
The Type I Plug & Socket is a 2 or 3 plug socket primarily used in Australia, New Zealand, China, and Argentina. The Type I Plug & Socket is ungrounded with 2 pins or grounded with 3 pins, has an amp rating of 10 A, voltage range of 220-240 V, and is compatible with plug Type I.

The outer pins of the Type I Plug & Socket have a width of .25” (6.3 mm), height of .06” (1.6 mm), and length of .68” (17.3 mm). The two pins are set .54” (13.7 mm) apart, while the earth pin is centered and spaced .41” (10.3 mm) vertically from the others. The earth pin has a width of .06” (1.6 mm), height of .25” (6.3 mm), and length of .79” (20 mm).

Pair of elevation and plan drawings of the Type I Plug & Socket with included dimensions
Type I Plug & Socket
Height:
Width:
Length:
Depth:
Weight:
Area:

Pins: 2 or 3

Used in: Australia, New Zealand, China, and Argentina

Compatibility: Type I

Amp Rating: 10 A
Circuit: Ungrounded with 2 pins or grounded with 3 pins

Voltage: 220-240 V


Pin Width: .25” | 6.3 mm

Pin Height: .06” | 1.6 mm

Pin Length: .68” | 17.3 mm

Earth Pin Width: .06” | 1.6 mm

Earth Pin Height: .25” | 6.3 mm

Earth Pin Length: .79” | 20 mm

Pin Centers: .54” | 13.7 mm

Earth Pin Vertical Center: .41” | 10.3 mm

Drawings include:
Type I Plug & Socket socket elevation, plug plan, plug elevation

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Type M Plug & Socket

The Type M Plug & Socket is a 3 plug socket primarily used in South Africa. The Type M Plug & Socket is grounded, has an amp rating of 15 A, voltage range of 100-240 V, and is compatible with plug type M.

The outer pins of the Type M Plug & Socket have a diameter of .28” (7.06 mm) and length of .73” (18.6 mm). The two pins are set 1” (25.4 mm) apart, while the earth pin is centered and spaced 1.13” (28.6 mm) vertically from the others. The earth pin has a diameter of .34” (8.7 mm) and length of 1.13” (28.6 mm).

Dimensioned elevation and plan drawings of the Type M Plug & Socket with spacing measurements
The Type M Plug & Socket is a 3 plug socket primarily used in South Africa. The Type M Plug & Socket is grounded, has an amp rating of 15 A, voltage range of 100-240 V, and is compatible with plug type M.

The outer pins of the Type M Plug & Socket have a diameter of .28” (7.06 mm) and length of .73” (18.6 mm). The two pins are set 1” (25.4 mm) apart, while the earth pin is centered and spaced 1.13” (28.6 mm) vertically from the others. The earth pin has a diameter of .34” (8.7 mm) and length of 1.13” (28.6 mm).

Dimensioned elevation and plan drawings of the Type M Plug & Socket with spacing measurements
Type M Plug & Socket
Height:
Width:
Length:
Depth:
Weight:
Area:

Pins: 3

Used in: South Africa

Compatibility: Type M

Amp Rating: 15 A

Circuit: Grounded

Voltage: 100-240 V


Pin Width: .28” | 7.06 mm


Pin Length: .73” | 18.6 mm

Earth Pin Width: .34” | 8.7 mm

Earth Pin Length: 1.13” | 28.6 mm

Pin Centers: 1” | 25.4 mm

Earth Pin Vertical Center: 1.13” | 28.6 mm

Drawings include:
Type M Plug & Socket socket elevation, plug plan, plug elevation

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Type B Plug & Socket

The Type B Plug & Socket is a 3 plug socket primarily used in USA, Canada, Mexico, and Japan. The Type B Plug & Socket is grounded, has an amp rating of 15 A, voltage range of 100-127 V, and is compatible with plug types A and B.

The outer pins of the Type B Plug & Socket have a width of .06” (1.5 mm), heights of .25”-.31” (6.3-7.9 mm), and lengths of .625”-.72” (15.875-18.23 mm). The two pins are set .5” (12.7 mm) apart, while the earth pin is centered and spaced .47” (11.9 mm) vertically from the others. The earth pin has a diameter of .19” (4.8 mm) and length of .84” (21.4 mm).

Set of dimensioned drawings of the Type B Plug & Socket labeled in plan and elevation
The Type B Plug & Socket is a 3 plug socket primarily used in USA, Canada, Mexico, and Japan. The Type B Plug & Socket is grounded, has an amp rating of 15 A, voltage range of 100-127 V, and is compatible with plug types A and B.

The outer pins of the Type B Plug & Socket have a width of .06” (1.5 mm), heights of .25”-.31” (6.3-7.9 mm), and lengths of .625”-.72” (15.875-18.23 mm). The two pins are set .5” (12.7 mm) apart, while the earth pin is centered and spaced .47” (11.9 mm) vertically from the others. The earth pin has a diameter of .19” (4.8 mm) and length of .84” (21.4 mm).

Set of dimensioned drawings of the Type B Plug & Socket labeled in plan and elevation
Type B Plug & Socket
Height:
Width:
Length:
Depth:
Weight:
Area:

Pins: 3

Used in: USA, Canada, Mexico, and Japan

Compatibility: Types A and B

Amp Rating: 15 A

Circuit: Grounded

Voltage: 100-127 V


Pin Width: .06” | 1.5 mm

Pin Height: .25”-.31” | 6.3-7.9 mm

Pin Length: .625”-.72” | 15.875-18.23 mm
Earth Pin Width: .19” | 4.8 mm

Earth Pin Length: .84” | 21.4 mm
Pin Centers: .5” | 12.7 mm

Earth Pin Vertical Center: .47” | 11.9 mm

Drawings include:
Type B Plug & Socket socket elevation, plug plan, plug elevation

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Type E Plug & Socket

The Type E Plug & Socket is a 2 plug socket primarily used in France, Belgium, Poland, Slovakia and Czechia. The Type E Plug & Socket is grounded, has an amp rating of 16 A, voltage range of 220-240 V, and is compatible with plug types C, E, and F.

The pins of the Type E Plug & Socket have a diameter of .19” (4.8 mm) and length of .75” (19 mm). The two outer pins are set .75” (19 mm) apart.

Set of dimensioned drawings of the Type E Plug & Socket labeled in plan and elevation
The Type E Plug & Socket is a 2 plug socket primarily used in France, Belgium, Poland, Slovakia and Czechia. The Type E Plug & Socket is grounded, has an amp rating of 16 A, voltage range of 220-240 V, and is compatible with plug types C, E, and F.

The pins of the Type E Plug & Socket have a diameter of .19” (4.8 mm) and length of .75” (19 mm). The two outer pins are set .75” (19 mm) apart.

Set of dimensioned drawings of the Type E Plug & Socket labeled in plan and elevation
Type E Plug & Socket
Height:
Width:
Length:
Depth:
Weight:
Area:

Pins: 2

Used in: France, Belgium, Poland, Slovakia and Czechia

Compatibility: Types C, E, and F

Amp Rating: 16 A

Circuit: Grounded

Voltage: 220-240 V


Pin Width: .19” | 4.8 mm


Pin Length: .75” | 19 mm

Pin Centers: .75” | 19 mm

Drawings include:
Type E Plug & Socket socket elevation, plug plan, plug elevation

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Type G Plug & Socket

The Type G Plug & Socket is a 3 plug socket primarily used in UK, Ireland, Malta, Malaysia, and Singapore. The Type G Plug & Socket is grounded, has an amp rating of 13 A, voltage range of 220-240 V, and is compatible with plug type G.

The outer pins of the Type G Plug & Socket have a width of .16” (4 mm), height of .25” (6.35 mm), and length of .7” (17.7 mm). The two pins are set .87” (22.2 mm) apart, while the earth pin is centered and spaced .87” (22.2 mm) vertically from the others. The earth pin has a width of .31” (7.93 mm), height of .16” (4 mm) and length of .89” (22.73 mm).

Dimensioned elevation and plan drawings of the Type G Plug & Socket with spacing measurements
The Type G Plug & Socket is a 3 plug socket primarily used in UK, Ireland, Malta, Malaysia, and Singapore. The Type G Plug & Socket is grounded, has an amp rating of 13 A, voltage range of 220-240 V, and is compatible with plug type G.

The outer pins of the Type G Plug & Socket have a width of .16” (4 mm), height of .25” (6.35 mm), and length of .7” (17.7 mm). The two pins are set .87” (22.2 mm) apart, while the earth pin is centered and spaced .87” (22.2 mm) vertically from the others. The earth pin has a width of .31” (7.93 mm), height of .16” (4 mm) and length of .89” (22.73 mm).

Dimensioned elevation and plan drawings of the Type G Plug & Socket with spacing measurements
Type G Plug & Socket
Height:
Width:
Length:
Depth:
Weight:
Area:

Pins: 3

Used in: UK, Ireland, Malta, Malaysia, and Singapore

Compatibility: Type G

Amp Rating: 13 A

Circuit: Grounded

Voltage: 220-240 V


Pin Width: .16” | 4 mm

Pin Height: .25” | 6.35 mm

Pin Length: .7” | 17.7 mm

Earth Pin Width: .31” | 7.93 mm

Earth Pin Height: .16” | 4 mm

Earth Pin Length: .89” | 22.73 mm

Pin Centers: .87” | 22.2 mm

Earth Pin Vertical Center: .87” | 22.2 mm

Drawings include:
Type G Plug & Socket socket elevation, plug plan, plug elevation

Details & Downloads

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