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To make sure that the Earth connection is the first connect and the last to disconnect for best possible protection.

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16y ago

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How do you connect the 3 pin plug?

One pin for phase other pin for neutral and third one is for earth/ground wire. In India the right pin is for phase, left pin is for neutral and pin on top side is for ground wire. This third top side pin is slightly bigger and longer compared to phase and neutral pins.


When 3 pin plug is used?

To fit a 3-pin socket. The three pins are live, neutral and earth, which must not be confused.


Why do PowerPoints have 3 sockets?

In the UK, electrical power plugs have standard 3 square pins. One pin is positive, second pin is negative, and the third (larger) pin is the earth.


When use a 3-pin mains plug what is the biggest pin for?

On a UK three pin plug the two smaller prongs are Live (brown) and Neutral (blue). The Larger pin is for the Earth wire. This can prevent you getting an electric shock


What is the function of 3 pin plug?

The 3 pin plug is used to connect (and eventually disconnect) various devices requiring an AC power supply to and from the main power supply.As the name suggests, the 3 pin plug consists of three pins :-Longer one, usually on the top for most standard plugs : is the earth [ E ]Left pin (Usually) : is the Line connection [ L ]Right pin (Usually) : is neutral [ N ]Next to the pins, on the plug, the three pins and their respective function is given by E, L and N.


When you switch off a 3 pin power socket at the wall is it still earthed?

When you switch off a 3-pin power socket, the socket and connected devices are no longer powered, but the socket still remains earthed. The grounding connection provided by the earth pin is separate from the power supply and remains connected even when the socket is switched off.


What electrical sockets do they use in South items 2 pin Round or 2 pin Flat?

neither actualy. we use 3 pin round - all plugs have a mandatory earth. 220v


Why third pin is plastic in 3 pin plug?

Double-insulated electrical appliances, such as electric drills, only require two connections -a line and a neutral- to the supply. An earth (ground) connection is unnecessary. In the UK, all electric socket outlets have shutters that blank off the line and neutral terminals when there is no plug inserted. These shutters are operated by the earth pin of the plug. As double-insulated appliances don't require an earth connection, a plastic earth pin is moulded into the plug in order to open the socket shutters in place of a normal metallic earth pin.


What are the safety features of a 3 pin-plug?

3-pin plugs are used in different forms throughout the world and most of them have one live pin, one neutral pin and one earth pin. The current flows through the live and neutral pins via the load (e.g. tv, kettle etc.), while the earth pin is there for safety connected to an electrical 'earth' but not directly to the supply. Then if the tv, kettle etc. develops a fault inside, with the live wire accidentally touching the case, enough current will flow to blow the fuse and prevent any injury if anyone should happen to touch the case. All appliances must have a 3-pin plug except certain low-power items with double insulation inside.


What is the function of a earth terminal in a 3 pin plug?

The earth terminal in a 3-pin plug is designed to provide a path for electrical current to safely flow into the ground in case of a fault, such as a short circuit. This helps protect users from electric shocks and prevent damage to electrical appliances.


What is the function of each pin in a 3 pin XLR PLUG?

Pin 1 = ground, Pin 2 = hot/plus, Pin 3 = cold/minus


What is the maximum number of inputs to a data selector having 3 control pins?

@Elizabethbro this website is for getting answers stop being so harsh