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Emergency lighting via inverter


Guest Nigel

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Hello

I just worked at a residential block of flats ( assisted living ) all of the corridor lights on four floors are supplied via an inverter in case of mains failure , however when I isolated certain areas to work on lights there are no emergency lights they rely on the inverter which is ok with total power loss but no good if a fault on local circuit, can you advise please
Kind regards

Nigel

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The system does not comply with BS5266 by not operating on local circuit failure (assuming the fittings are non maintained) and both the FRA and H&SRA should consider the risks from this and determine how important it is to resolve.

Where EL is not connected to local circuits rather than rewiring changing the fittings to maintained overcomes this, or in this case replace the inverter with self contained fittings on the local circuit. Whether this is needed to be done as one big job or as a gradual upgrade will be determined by the risk assessments.

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