Two different system conductors in same conduit?
- Thread starter jkim780
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- Lockport, IL
- Occupation
- Retired Electrical Engineer
Re: Two different system conductors in same conduit?
300.3(C) Conductors of Different Systems.
(1) 600 Volts, Nominal, or Less. Conductors of circuits rated 600 volts, nominal, or less, ac circuits, and dc circuits shall be permitted to occupy the same equipment wiring enclosure, cable, or raceway. All conductors shall have an insulation rating equal to at least the maximum circuit voltage applied to any conductor within the enclosure, cable, or raceway.
300.3(C) Conductors of Different Systems.
(1) 600 Volts, Nominal, or Less. Conductors of circuits rated 600 volts, nominal, or less, ac circuits, and dc circuits shall be permitted to occupy the same equipment wiring enclosure, cable, or raceway. All conductors shall have an insulation rating equal to at least the maximum circuit voltage applied to any conductor within the enclosure, cable, or raceway.
- Location
- Illinois
- Occupation
- retired electrician
Re: Two different system conductors in same conduit?
Note that if the curcuits are multiwire circuits, that 210.4(D) requires that each of the hots be identified as to phase and voltage. This section applies even when the multiwire circuits are not in the same raceway. Also note that the grounded conductor of one system is to be white or gray and the grounded conductor of the second system must be white with a colored stripe where both grounded conductors are in the same raceway. See 200.6(D).
Don
Note that if the curcuits are multiwire circuits, that 210.4(D) requires that each of the hots be identified as to phase and voltage. This section applies even when the multiwire circuits are not in the same raceway. Also note that the grounded conductor of one system is to be white or gray and the grounded conductor of the second system must be white with a colored stripe where both grounded conductors are in the same raceway. See 200.6(D).
Don
- Location
- Bremerton, Washington
Re: Two different system conductors in same conduit?
And the means of identification has to be posted on each panel board where the branch circuit orginates.
And the means of identification has to be posted on each panel board where the branch circuit orginates.
electricman2
Senior Member
- Location
- North Carolina
- Occupation
- Retired Electrical Contractor
Re: Two different system conductors in same conduit?
Didn't this same question come up not long ago or am I thinking of something else? Seems like I remember replying to it.
Didn't this same question come up not long ago or am I thinking of something else? Seems like I remember replying to it.
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