You're running new construction wiring and a standard single-gang box doesn't give you enough cubic inches for the circuit configuration — code requires adequate space for wire termination and device mounting, and you're short. Under-boxing a circuit is a red-tag situation. 4-gang PVC new work outlet box, 64 cubic inches. The 64 cubic inch volume meets code requirements for circuits that need extra wiring space — multi-wire branch circuits, GFCI configurations, or circuits with multiple devices in one location. PVC construction eliminates the corrosion issues that metal boxes face in damp environments like basements or exterior walls. New work design with nail flanges sets directly against studs before wire runs go in — fast, code-compliant installation with no special tools. Standard in t Stocked at Crofton Lumber and Akron Lumber.