Easy Install Electrical Box Extenders Kit For 1 Gang And 4 Inch Square Boxes With Self Leveling Support Extends Depth By 1.5 Inches Includes 20 Screws Great For Outlets Switches GFCIs And Receptacles

Box Extender Kit for 1-Gang and 4-Inch Boxes
✔️ Extends depth up to 1.5 in (38 mm) with self-leveling support

This box extender kit is designed to extend the depth of 1-gang and 4-inch square electrical boxes, making outlets, switches, GFCIs, and receptacles sit flush with the wall. It’s ideal for drywall or gypsum installations where box depth is limited and device alignment matters.

✅ Extends depth by up to 1.5 in (38 mm) for 1-gang and 4-inch square boxes
✅ 94VO flame-retardant PA material for heat resistance and durability
✅ Self-leveling support ensures proper alignment of outlets, switches, GFCIs, and receptacles
✅ Non-metallic sidewalls fully enclose devices, creating an insulating barrier
✅ Includes 10 extenders and 20 screws; can be combined to make up to 100 sets

💡 What is a box extender used for in electrical installations?

A handy explanation for common wiring tasks. - Extends depth to fit outlets and switches in shallow boxes - Improves flush alignment with wall surfaces for neat finishes - Non-metallic walls provide insulation and safety by keeping devices away from metal boxes - Works with 1-gang and 4-inch square boxes in drywall or gypsum