Description
25mm Conduit Back Outlet Box – Hot Dip Galvanised (HDG)
The 25mm conduit back outlet box is designed to protect and route electrical wiring safely within buildings and industrial installations. Manufactured from malleable iron and hot-dip galvanised to Class 4 specifications, it offers outstanding corrosion resistance and long-term reliability for both indoor and outdoor applications.
Key Features:
- Size: 25mm diameter conduit box – ideal for standard electrical conduit systems.
- Material: Malleable iron for exceptional strength and durability.
- Finish: Hot dip galvanised (HDG) coating inside and outside to Class 4 specifications.
- Dimensions: 55mm overall height and 30mm internal depth.
- Fixings: Includes two tapped M4 holes for lid fixing and one M4 hole in base for earth screw.
- Compliance: Conforms to BS EN 50086 standards for electrical conduit fittings.
- Lid: Sold separately.
This HDG conduit back outlet box ensures safe, corrosion-resistant protection for electrical wiring while maintaining compatibility with standard 25mm conduit systems. Because of its durable malleable iron body and Class 4 galvanised finish, it provides long-lasting performance in demanding environments such as commercial and industrial facilities.
Ordering & Delivery
✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as special cut lengths or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.

















