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I have many times seen RMC coming out of the ground, supporting a Bell box, which in turn supports a landscaping light fixture. I take it that those installations are all in violation of Code? Or is there a provision somewhere that allows that use?

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314.23(F) Raceway Supported Enclosures, with Devices, Luminaires (Fixtures), or Lampholders. An enclosure that contains a device(s) or supports a luminaire(s) [fixture(s)], lampholder, or other equipment and is supported by entering raceways shall not exceed 1650 cm3 (100 in.3) in size. It shall have threaded entries or have hubs identified for the purpose. It shall be supported by two or more conduits threaded wrenchtight into the enclosure or hubs. Each conduit shall be secured within 450 mm (18 in.) of the enclosure.

Key points, two threaded conduits into threaded enclosure or listed hubs.

So when you get to the last one on the circuit you still have to have a second raceway for the support.


Bob Badger
Construction & Maintenance Electrician
Massachusetts