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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 is an 8 pin ic socket?
a socket that is soldered to a printed circuit board, into which a 8 pin integrated circuit package may be plugged to connect it to the circuitry.
What does the fuse do in a three-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.
How do I rewire an ungrounded plug?
If there is no ground wire connect the ground wire to the neutral wire.
The common mistakes of wiring a 3 pin plug?
-wire can be taken straight to the pin and not positioned in plastic 'valley' (usually mistake made in earth wire) -wire cut when outer cable is removed -cable grip clamped onto three wires instead of cable -loose copper wires visible.
