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  1. J

    Grouping factor for JB

    Opened an IP65 JB surface mount box today (internal conservator) 2 lighting circuits including Switch cables and radial feed from last light all coming into the box. All fitted ok and all secure with Wago connectors no strain on connections. My question is would you need to apply grouping...
  2. J

    4mm radial from 2.5mm ring on 32A?

    Go easy I’m new to this but.. I’ve just come across a 4mm radial (garage) being fed from downstairs 32A MCB ring. Trying to locate the connection but question is does this comply with BS7671? I can’t tell if it’s on a 13A FS or not at the moment.

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