Discuss Does it need RCD protection? in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

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Cleggy

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Hi all! Just looked at my first commercial job today. Only a few sockets to exchange, and a few light fittings. The installation hasn't been used for about ten years. Re-wireable fusebox,All metalclad boxes and fronts. The premises is going to be a motor garage with public access.i was wondering if I needed RCD protection or am I being over cautious?
 
is the existing installation sound and secure as it is 10 years old? I know some of the established members here won't tolorate discussing earth wires, so have you established a decent reading at the existing points you intend to swap for new points? you may need to ensure the earthing is adequate which may determin whether RCDs are required, otherwise I would agree only sockets used by ordinary folk.
 
For the cost of an rcd and given the fact that most garages use 240v power tools and that damp concrete is a good conductor I would put an rcd in at least you have piece of mind then also.
 
I only he'd a quick look around the premises. I found out on the day that two quotes he'd already been submitted. But these would only just cover materials. Therefore the tester stayed in the van! If I won the job I would want to quote for the install and test and know that the install is totally safe before I leave! So basically if a good earth exists for a safe disconnection time for re-wireables then the fuse box can stay. If so I can compete on price.
 
It's the extra cost of swapping the re-wireables fuse box for a new RCD CU that will boost the job price, and you know that customers want everything for nothing! Even at the cost of safety!
 
No just 3bays for car ports. I was just thinking that if the public had access to wander freely, they may tend to poke things they shouldn't!
 
I think that if a member of the public started poking things in a garage workshop, the'd get told pretty damn quickly to go poke somewhere else.
The mechanics would be classed as being either skilled or instructed.
 

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