This single gang old work electrical box is designed for efficient and safe electrical installations in existing walls. It features a compact size of 10.8 x 5.7 x 6.9 cm (4.25 x 2.24 x 2.72 in.) with a 14 cu. in. capacity, making it suitable for standard electrical setups. The box is compatible with various wire gauges, including 7/14, 6/12, and 5/10 AWG, ensuring flexibility for different wiring needs. Constructed from newly upgraded flame retardant PVC, it is lightweight, rust-proof, and non-conductive, offering reliable protection and long service life. Equipped with built-in fixing ears for secure mounting, a cable clamp to hold wires in place, and screws spaced 3-1/4 in. apart, installation is straightforward. Ideal for both residential and commercial old work applications, such as old house renovations or DIY projects, it helps solve common issues like time-consuming wiring, hole-digging affecting aesthetics, and inconvenient switch disassembly, making remodeling quick and easy.