On 03/16/2016 12:26 PM, Todd Zuercher wrote: > Bringing back an older thread. Went to start ordering the things I need for > the update and noticed that the conduit to the machine isn't big enough for > the new wiring. Right now the 9 single phase circuits are run through two > 3/4" conduits (4 in one 5 in the other). would it be a really bad idea or > against regs, to split the 3ph wiring between the 2 conduits? (2+ground in > one and 1+nutral in the other) > > You are supposed to have all current carrying conductors in one conduit. Unbalanced currents induce currents in the conduit, which is not a great conductor (steel) so it gets hot. So, running two phases in one conduit and the remaining phase and neutral in the other is frowned upon.
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