Continuity of the neutral conductor of a multiwire branch circuit must not be interrupted by the removal of a wiring device [Sec. 300.13(B)]. So, splice the neutral wires, and run a pigtail to the ...
Article 300 of the National Electrical Code (NEC) contains the general requirements for wiring methods and materials for power and lighting [Sec. 300.1(A)]. It includes the general requirements for ...