in three pin pluge there three pins one is phase and second
is earth third is nutral why nutral high diameter compare
with phase and earth
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Answer Posted / tarun aggawal ymca
actually earth socket has large dia becouse when short ckt
occur the large current flow through this low resistance path
as R = P*l/a as area is large smaller is resistance and
excess will the current flow through it
also if the socket is small we have such a large current
flow throw it and a large heat is produced which will damage
the pin because if area is small heat per area is large and
pin get melted as like a fuse
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