You cannot post a reply to this discussion. If you have a question start a new discussion
Caravan hook up
Former Community Member
Hi I am fitting a caravan hook up on the wall next to the dno incomer box. No wires exposed. Do I still require an earth rod. The earth bond will be prob 1 ft long inside so not exposed. I know if I fit the box away using swa then yes earth rod would be used.
This is not a great question for a forum, you should really consult a professional who can provide the relevant calcs/testing and insurance.
Earthing is predominantly to provide an equipotential path that is common, as far as possible across the entire supply network so that faults that connect directly and indirectly to the physical earth will cause a large enough current to operate a protective device and disconnect the fault. Using an earth rod or not depends on the fault-loop impedance, as measured from a suitable test device (or calculated), the type of supply provided by the distributer and the types of protective device that are used. Because there are several variables, it is not a simple question of "yes use one" or "no, don't bother".
This is not a great question for a forum, you should really consult a professional who can provide the relevant calcs/testing and insurance.
Earthing is predominantly to provide an equipotential path that is common, as far as possible across the entire supply network so that faults that connect directly and indirectly to the physical earth will cause a large enough current to operate a protective device and disconnect the fault. Using an earth rod or not depends on the fault-loop impedance, as measured from a suitable test device (or calculated), the type of supply provided by the distributer and the types of protective device that are used. Because there are several variables, it is not a simple question of "yes use one" or "no, don't bother".
