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EICR Certificate - Should Bathroom light not having RCD protection be C2 or C3?

AdamG

Hello,

Is anyone able to please clarify?  An electrician has just undertaken an inspection to allow an EICR to be issued.  They have stated there is a requirement to have RCD protection for the bathroom light (given it a code C2) and so they are quoting £600 to fit a new consumer unit.  I appreciate that if the house was being built today that it would need to comply with the 18th edition regs which came into force in Jan 2019 and hence would indeed need an RCD on the bathroom light but my house was built in 1956 although has a 16th edition CU with RCDs on socket circuits only but I thought this should be coded as a C3.  Any advice greatly appreciated.

Thanks

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    Suggesting that an exposed short cable to an RCD box itself needs RCD protection is beyond ridiculous OM. That is so far from the obvious intent of that regulation it is crazy. The busbar in the CU or the tails are equally likely (or more so) to be a “risk”, so the RCD right next to the meter seems to be the only permitted solution. The RCD for lighting circuits has two purposes, one the unlikely case of direct contact with a single conductor (in other words not protecting against fingers in the bulb socket), and the case of fire protection caused by whatever. Any kind of direct contact with a single conductor at a switch is pretty unlikely, but this might be aimed at the metal light switches that seem popular at the moment although most are either earthed or class 2.

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    Suggesting that an exposed short cable to an RCD box itself needs RCD protection is beyond ridiculous OM. That is so far from the obvious intent of that regulation it is crazy. The busbar in the CU or the tails are equally likely (or more so) to be a “risk”, so the RCD right next to the meter seems to be the only permitted solution. The RCD for lighting circuits has two purposes, one the unlikely case of direct contact with a single conductor (in other words not protecting against fingers in the bulb socket), and the case of fire protection caused by whatever. Any kind of direct contact with a single conductor at a switch is pretty unlikely, but this might be aimed at the metal light switches that seem popular at the moment although most are either earthed or class 2.

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