
4-11/16″ Square Electrical Junction Box with Mounting Bracket
November 30, 2023
T Box™ 4″ Square Electrical Junction Box
November 30, 20234-11/16″ Square Electrical Junction Box with Mounting Bracket, W16M Conduit Clip
4-11/16″ Square Electrical Junction Box, Mounting Bracket, W16M Conduit Clip
Product Series: T Box
Part # WTBOX257-16M
UPC: 811443035401
Engineered for straight-entry conduit, rapid prefab integration, and smarter jobsite performance

SKU: WTBOX257-16M
Category: Junction T Box with Bracket
- Welded pre-galvanized steel construction for strength, durability, and corrosion resistance
- Eliminate conduit bends and offsets for faster prefab layouts
- Conduit runs straight into the box for easier wire pulls and true in-line installation
- Extra-deep 60 cubic inch capacity provides added volume and wire bending space
- Double gang design for two-device configurations
- Side knockouts accessible in all directions
- (2) 1″–3/4″ knockouts
- (12) 3/4″–1/2″ knockouts
- Conduit clamps provide a secure mechanical bond between 3/4″, 1″ conduit and box
- Raised ground for faster, easier terminations
- Supplied with (2) 8-32 combination Phillips/slotted screws
- Accepts standard 4-11/16″ square devices and flat covers
- Suitable for use without a bonding jumper in circuits up to 600 volts
- Compatible with conduit, MC cable, or NM cable when used with appropriate fittings
Packaging
- Unit Packaging: 10
Safety
- Follow all installation instructions carefully to ensure safe and effective performance
- Comply with all applicable codes, regulations, and job site requirements
- Do not use the product beyond its intended purpose or specified load ratings
- Improper installation or use may result in malfunction, property damage, serious injury, or death, and will void the warranty
- Use only industry‑standard hardware that meets specified requirements


