In a couple of days time the street my mother lives in is having its water
supply replaced. I'm thinking she is going to lose the earth connection
At present the meter tails go to an ancient tin box with a circuit breaker
and four ceramic fuse holders. The case of this box is connected to the
metal conduit that the house wiring is run in and then on to the water pipe
from the street.
I'm curious about how an electrician would go about restoring the earth
connection. I've heard about taking it from the sheath of the main supply
into the house. Earth rods puzzle me as I would have thought the restistance
of a bit of soil would be too high/variable for something as important as a
Any info would be appreciated.