There is a change in code at 210.4(B) that reads:
210.4 Multiwire Branch Circuits.
(B) Disconnecting Means. Each multiwire branch circuit shall be provided with a means that will simultaneously disconnect all ungrounded conductors at the point where the branch circuit originates.
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My understanding:
All hot wires that are routed in a common conduit, trough (or nipple) shall be protected by a multipole breaker, no matter how many poles are required to accomplish this.
Has this topic ever been discussed before?
210.4 Multiwire Branch Circuits.
(B) Disconnecting Means. Each multiwire branch circuit shall be provided with a means that will simultaneously disconnect all ungrounded conductors at the point where the branch circuit originates.
------------------------------------------------------------------------
My understanding:
All hot wires that are routed in a common conduit, trough (or nipple) shall be protected by a multipole breaker, no matter how many poles are required to accomplish this.
Has this topic ever been discussed before?