What should be done if the number of conductors exceeds box fill limitations?

If the number of conductors exceeds the box fill limitations, the appropriate action is to use a larger box or a different arrangement. This is because the National Electrical Code (NEC) sets specific limits on the number of conductors allowed in a box to prevent overheating and ensure adequate space for wire management and connections. A box that is too small can create hazards, including reduced air circulation around the conductors and an increased risk of short circuits or electrical fires.

Choosing a larger box provides the necessary space to accommodate all the conductors safely, ensuring that they can be properly terminated and that the box remains compliant with NEC standards. Additionally, reevaluating the arrangement of conductors can help optimize space usage, but the primary solution when facing a fill limitation is to select a box that meets the requirements for the total number of conductors involved.