How much free conductor must be left at each outlet, junction, and switch point for splices or devices?

The requirement for leaving a minimum length of free conductor—specifically 6 inches—for splices or devices at outlet, junction, and switch points is based on safety and accessibility considerations in electrical installations. This length ensures that there is enough wire available to make secure connections or adjustments without excessive strain on the conductors.

Having 6 inches of conductor also allows for some flexibility during installation or maintenance, enabling technicians to work comfortably with the wires without the risk of damaging them. Additionally, it helps to facilitate better organization within electrical boxes, which is important for both functionality and future troubleshooting. This standard length is widely recognized in electrical codes, reinforcing its importance in maintaining safe practice in electrical installations.