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Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
    Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
    Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
Steel Closed Back Extension Box for surface mounting, featuring a robust design and multiple mounting holes.
Specifications & Features

Ideal for surface-mounted electrical work in homes, offices, and workshops, this closed-back steel extension box gives you a neat, secure way to house and protect wiring connections behind modular sockets or switches. It’s a practical choice when you need a sturdy mounting point and a clean finish on exposed installations.

 

Specifications

  • Material: Steel
  • IP Rating: IP 20
  • Dimensions: 105.5 x 105.5 x 50D mm
Installation Guidance, Tips & Tricks

Choose Dry Indoor Locations: Install in dry indoor areas suitable for IP20. Avoid wet zones to protect connections and maintain a clean, reliable finish.

 

Plan Surface-Mount Positioning: Plan the mounting point so it aligns behind modular sockets or switches on exposed runs, giving a neat, secure finish in homes, offices, or workshops.

 

Fix To A Stable Surface: Attach the box securely to a stable surface to create a sturdy mounting point before fitting modular accessories.

 

Organise And Protect Wiring: Route and house wiring connections neatly inside the closed-back box, keeping cables contained and protected behind the installed socket or switch.

 

Clean And Inspect Finish: Wwipe the steel exterior with a dry cloth, then check the installation looks flush and the enclosure is undamaged before use.

Frequently asked questions

What is this extension box used for?

It provides a neat, secure way to house and protect wiring connections behind modular sockets or switches on exposed installations.

 

Is it suitable for indoor or outdoor use?

With an IP20 rating, it is intended for indoor, dry locations such as homes, offices, and workshops.

 

What are the dimensions?

The dimensions are 105.5 x 105.5 x 50D mm.

 

What material is it made from?

It is made from steel.

 

Is it a closed-back, surface-mount design?

Yes, it is a closed-back steel extension box for surface-mounted electrical work.

Specifications & Features

Ideal for surface-mounted electrical work in homes, offices, and workshops, this closed-back steel extension box gives you a neat, secure way to house and protect wiring connections behind modular sockets or switches. It’s a practical choice when you need a sturdy mounting point and a clean finish on exposed installations.

 

Specifications

  • Material: Steel
  • IP Rating: IP 20
  • Dimensions: 105.5 x 105.5 x 50D mm

Steel Closed Back Extension Box - Surface Mount 4x4

SKU: EB44C
R 27.00
R 27.00
R 39.00
Ideal for surface-mounted electrical work in homes, offices, and workshops, this closed-back steel extension box gives you a neat, secure way to house and protect wiring connections behind modular sockets or switches.
Secure payment options
Add A Workshop Socket Point
Mount a modular double socket on a brick workshop wall, using the box to protect terminations and provide a solid, neat surface-mount enclosure.
Surface Mount In Home Office
Create a surface-mounted outlet beside a desk in a home office, with trunking feeding into the box for tidy, accessible power.
Retrofit Switch Near Board
Add a light switch near the distribution board, fixing the box to the wall for safe wiring space and a clean modular plate.
Secure Junctions In Retail Backroom
Terminate and protect junctions for a display plug point in a retail stockroom, using the steel box to shield connections on exposed masonry.

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