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Default How are you supposed to fix/terminate flexible conduit?

I have just bought a chimney fan which has a spiral metal flexible
conduit containing the wires that supply the fan. (This is a mains
powered fan to sit on the top of a chimney, not a heat powered one for
indoors).

Not that what it's for is very relevant. How are you supposed to
terminate the flexible conduit properly? The problem is similar with
plastic, wire reinforced conduit, the ribbing is spiral so you can't
seal to it very well and even if sealing isn't incredibly important
how are you meant to make a proper mechanical fix to the end (into a
junction box presumably)?

If I feed the flexible into the bottom of a weatherproof junction box
the watertightness won't matter too much (and even provides drainage)
but I can't think of a neat/elegant way of holding it there.

Now I think about it I have some glands for larger plastic conduit but
I can't imagine anything similar for the quite small (1cm O/D or maybe
even a bit less) metal flaxible I have to deal with now.

Any ideas?

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Chris Green
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Default How are you supposed to fix/terminate flexible conduit?

Chris Green wrote:

Now I think about it I have some glands for larger plastic conduit but
I can't imagine anything similar for the quite small (1cm O/D or maybe
even a bit less) metal flaxible I have to deal with now.


You're right there are fittings that fit the larger plastic spiral conduit

https://uk.rs-online.com/web/p/cable-conduit-fittings/0599910

Do any of these suit your metal flexi?

https://www.flexicon.uk.com/products/?material-type=metallic&product-type=fittings
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Default How are you supposed to fix/terminate flexible conduit?

Andy Burns wrote:
Chris Green wrote:

Now I think about it I have some glands for larger plastic conduit but
I can't imagine anything similar for the quite small (1cm O/D or maybe
even a bit less) metal flaxible I have to deal with now.


You're right there are fittings that fit the larger plastic spiral conduit

https://uk.rs-online.com/web/p/cable-conduit-fittings/0599910

Do any of these suit your metal flexi?

https://www.flexicon.uk.com/products/?material-type=metallic&product-type=fittings


Yes, you're right, these do go down to small enough for my conduit,
thank you.

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Chris Green
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