Skip to main content

Why earth pin of a three pin plug is thicker and longer

It is longer so that when we put the plug into the socket, earth connection is made first for the safety.
It is thicker so that it is not inserted to the holes of live and neutral.
It has split ends so that the plug is fitted firmly into the socket to avoid sparking.

Labels:

Comments

Post a Comment

Popular posts from this blog

MECHANICAL ADVANTAGE , VELOCITY RATIO

Which is always constant for a machine of given design: MA or VR ? Ans: VR remains constant for a machine of given design as it depends on the distances moved by the load and effort but MA can vary due to the friction developed between the moving parts of the machine.
Post a Comment
Read more

What is Regelation?

The melting point of ice is 0°C at normal pressure but when you increase the pressure on ice it melts at the temperature below 0°C( i.e. melting point of ice decreases with pressure). When the pressure applied is released then water formed from ice starts freezing. This phenomenon is called REGELATION.
Post a Comment
Read more