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flexible conduit max. size permitted

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dhiggins

dhiggins

Electrical
Joined
Oct 15, 2001
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Art.351-5 NEC states that the maximun size allowed is 4 inch. If this is so, why is larger sizes,(6 inch),even made?
There is a lot of 6 inch liquid tight flex used on my jobsite. Is this permissible? NEC Art.?
 
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Cant think why such a size restriction exists. No such restrictins exist in UK Regulations.
 
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