what are the safety features of a 3 pin plug?

Question

it needs to be a simple answer, but with a bit of detail.

Answer 1

The plastic insulates you from any household voltage/current.
They are fused either by 1, 3, 5, 10 or 13Amp fuse.
New plugs are molded so they are easy to remove (stop you from pulling the flex)
Inside a rubber clamp holds the 3 (Twin + Earth) or 2 wires in place.
On the Neutral and Live pins a black insulation is around them so you don't catch your fingers on them whilst you are removing/placing the plug in the socket.
The Earth pin is longer - this means when you put the plug into a socket the Earth pin is the first to enter which lifts the flaps on the socket so the Neutral+Live pins can enter. - This stops you or a child sticking their fingers or any object into the live/neutral holes of a socket and electrocuting themselves.
Some also have a see through fuse holder so you can see what the fuse is rated at - so you are not powering a desk light from a plug with a 13Amp fuse which is a fire hazard.

Quite a lot of thought has gone into these small and simple things really, wow. Good question!

Answer 2

British 3 Pin Plug

Answer 3

Contains a fuse that may be chosen for the correct rating to suit the load device.

Has a good cable grip.

Live and Neutral Pins (on new plugs) are partly insulated so that you can't accidentally touch one when inserting/removing plug.

Earth pin is longer so that it opens the shutters on the socket, these prevent kiddies pushing metak things into a live socket.

Live and Neutral pins are not interchangeble so the plug cannot be plugged in the wrong way round. This is important because most domestic appliances only have a single pole on/off switch and we always like this to be in the "LIve" lead not the neutral.

The wire always enters from the bottom, unlike continental ones. So it's more difficult to accidentally pull the plug from the socket when tripping over the vacuum cleaner lead. (yes, that's really why it is).

Answer 4

Has the grounding feature on any 3-prong plug been defeated by removal of the grounding pin or by improperly using an adapter?
RECOMMENDATION: Improperly grounded appliances can lead to electric shock.
Check with your service person or an electrician if you are in doubt.

Answer 5

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Answer 6

Made of plastic carry a 13 or 3 amp fuse that's pretty much it really

Answer 7

fully insulated
cable hold grip stops cable bein pulled which can caus a short
earth needs to be connected in order for the live n neutral to be activated
fused on live side internally

Answer 8

You cannot do anything in this case, the appliance is useless in North Africa, because it may not be double insulated, therefore discard it.

Answer 9

Earthed and fused

Answer 10

The third is a ground wire.