Checking the earth of a house

[alternativeroute]

Is there anyway to check that the earth of a house is functioning properly? The house I stay in was built in the early 50's and has an old mains board...


Electric board - mains by arclients, on Flickr


Electric board - switches by arclients, on Flickr


Electric board - fuses by arclients, on Flickr

I got a little shock when I touched an appliance that was earthed and one that was not....

 

[Jaws]

 

[Jaws]

 

[alternativeroute]

 

[LAV]

 

[frikkie]

 

[Uriah]