Article | REF: TBA547 V2

Electrical installations for construction sites and temporary facilities

Author: Williams PAUCHET

Publication date: November 10, 2016 | Lire en français

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    8. Special cases

    8.1 Confined conductive enclosures (crawl spaces, narrow staircases)

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    8.1.1 Mood lighting

    Ambient lighting is supplied at extra-low safety voltage (ELSV) by a 230/25 volt safety transformer located outside the enclosure.

    An IP 447 enclosure is used to protect the luminaire against external influences and the SELV (25 volts) against indirect contact.

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