Emergency lighting fixed wiring 3 or 5 years ?

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  • Christian Jones

    Hi all

    BS7671 GN3 etc all recommend fixed wiring that has emergency lighting is tested every 3 years unless I’m not reading this right.

    Our communal areas to blocks of flats and sheltered and offices etc are all tested every 3 years for an EICR as they have emergency lighting.

    The lighting it’s self is tested monthly/annually.

    Just wanted to confirm this is correct and what others are doing please, or is 5 years acceptable.

    Many thanks,


    Martin Simmonds

    WE only do 5 years as part of the EICR, that said there would be a visual check of the installation each month/annually.
    What reg states specifically that its 3 years ?

    Mike Proudfoot

    We do a fixed wire test every 5 years and a weekly test and six monthly service. I am not aware of the need to carry out a fixed wire test every 3 years……Advice please

    Christian Jones

    The IET Guidance Note 3 Table 3.2 recommended

    initial frequencies of inspection of electrical installations – maximum period between inspection and testing.

    Special and specific installations – emergency lighting – routine daily/monthly and testing 3 years.

    I believe it may also mention fixed wiring testing in BS5266.

    Paul Simpson


    Like other we test the fixed wiring every 5 years, although GN3 does maximum initial period between inspections and testing is 3 years, the note also says the inspector may recommend this period to be increased as a result of the findings.

    It would seem that as a result of the findings all our inspectors are of the opinion that 5 years is acceptable so that’s handy 😊.


    Christian Jones

    Thanks yes it does seem it comes down to the person doing the inspection unless your using your own electricians then they will put what the QS recommends.

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