Du har inte gör något för att identifiera ledarna. Du måste dock oroa dig för boxfyllning, eftersom dessa ledare måste räknas i fyllningsberäkningen.
National Electrical Code 2014
Chapter 3 Wiring Methods
Article 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings, and Handhole Enclosures
314.16 Number of Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies.
(B) Box Fill Calculations.
(1) Conductor Fill. Each conductor that originates outside the box and terminates or is spliced within the box shall be counted once, and each conductor that passes through the box without splice or termination shall be counted once. Each loop or coil of unbroken conductor not less than twice the minimum length required for free conductors in 300.14 shall be counted twice. The conductor fill shall be calculated using Table 314.16(B). A conductor, no part of which leaves the box, shall not be counted.