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Re: Quickies .. pulling cable.



On similar lines, don't notch engineered I joists, only drill
through the centre as mentioned below. The joist maunfacturers all
specify maximum hole sizes and the minimum distance between multiple
holes. Does't help anyone drilling today though 'cos I cannot find
any literature or hyperlinks with this info at the moment. Sorry!

Neil.


--- In ukha_d@xxxxxxx, "Bricknell, Tony"
<tony.bricknell@t...> wrote:
> >and what solutions have people come up with for passing cables
through
> joists? How big can the hole be?
>
> Drill a hole in the middle of the joist (it's the place of least
stress).
>
> Seem to recall some document specifying maximum size of hole
(probably IEE
> Wiring Regs - don't have it to hand) - think it was no larger than
1/4 the
> depth of the joist.  Standard disclaimers apply.



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