Arlington BE4X Non-Metallic Box Extender with Larger Flange, 4-Gang, White

The Arlington BE4X Non-Metallic Box Extender is designed to extend recessed electrical boxes up to 1-1/2 inches while leveling and supporting wiring devices flush with the finished wall surface. Featuring an oversized perforated flange, the BE4X provides enhanced support for devices installed in oversized or miscut wall openings. It works with both metal and non-metallic electrical boxes and helps installers comply with NEC Article 314.20 while offering a safe, durable, and professional installation solution. :contentReference[oaicite:0]{index=0}

Key Features

• 4-Gang Box Extender – Designed for extending recessed 4-gang electrical boxes up to 1-1/2 inches.
• Oversized Perforated Flange – Provides additional support for wiring devices in oversized or miscut wall openings.
• Trimmable Flange Design – Perforated flange can be trimmed for use with standard wall plates or left intact for midi and jumbo cover plates.
• Supports Recessed Electrical Boxes – Levels and supports wiring devices so they sit flush with the finished wall surface.
• Compatible with Metal and Non-Metallic Boxes – Works with most standard electrical outlet boxes.
• Functions with Standard Devices – Compatible with standard switches, receptacles, and GFCIs.
• Flame-Retardant Plastic Construction – Manufactured from durable 105°C continuous-use, UL 94V-0 rated non-conductive plastic.
• Improves Electrical Safety – In steel boxes, creates a barrier between device screws and the metal box to help prevent arcing and shorting.
• 2-Hour Fire Rating – Fire-rated design helps maintain the integrity of fire-rated wall assemblies.
• Made in the USA – Manufactured by Arlington Industries for professional electrical installations.

Your Benefits:

• Corrects recessed electrical boxes without replacing the box
• Provides superior device support in oversized drywall openings
• Helps meet NEC Article 314.20 requirements
• Compatible with standard, midi, and jumbo wall plates
• Fast installation reduces labor time
• Creates a clean, professional finished appearance

Arlington Large Flange Box Extender Series

The Arlington BE4X is designed to solve common installation challenges caused by recessed electrical boxes and oversized drywall cutouts. Its larger perforated flange provides increased device support while remaining trimmable for standard cover plates. The non-conductive construction improves electrical safety by separating device screws from metal boxes and helps maintain fire-rated wall assemblies. :contentReference[oaicite:1]{index=1}

Ideal Applications

Technical Highlights