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18th question.

Former Community Member
Former Community Member
Hi all, any comments welcome on this one.
Is it still acceptable to have a socket outlet for a specific use not rcd protected under the 18th?
I fitted a single 13a socket outlet recently in a loft space for one of my regular customers, it is to supply a security camera system and the suppliers asked for a socket to be provided. It is supplied from the first floor lighting circuit which doesn't have rcd protection. (16th. ed. board) There is not the slightest chance of the socket being used to supply anything else and I would like to issue a mwc stating that the socket is only to be used for this specific purpose. If it's a major issue I could get back to the customer and arrange to fit an rcbo but I don't really think that is necessary? Thinking now about going back to change socket for an rcd protected one?
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    Nowhere do the regs say you can't have a socket on a lighting circuit, nor does it say that you must supply a 13A socket from a supply capable of supplying 13A or more.  It is of course jolly awkward if you do plug in a 2kw fan heater and the lights go out, but no regulations have been breached, nor is there a risk of cables being overload or a fire, as long as the MCB for the lighting circuit matches the current rating of the cables used.


    The only aspect is that the new works need RCD protection if there are new cables are concealed  in a wall  or similar to less than 50mm (but clearly visible surface wiring is OK) and the new socket needs RCD protection.

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    Nowhere do the regs say you can't have a socket on a lighting circuit, nor does it say that you must supply a 13A socket from a supply capable of supplying 13A or more.  It is of course jolly awkward if you do plug in a 2kw fan heater and the lights go out, but no regulations have been breached, nor is there a risk of cables being overload or a fire, as long as the MCB for the lighting circuit matches the current rating of the cables used.


    The only aspect is that the new works need RCD protection if there are new cables are concealed  in a wall  or similar to less than 50mm (but clearly visible surface wiring is OK) and the new socket needs RCD protection.

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