Synerji
Synerji Open Metal Extension Box – 2x4 / 4x4
Synerji Open Metal Extension Box – 2x4 / 4x4
SKU:SYH4X2EBO
4630 in stock
Delivery
- Delivery time
- 3–5 business days
- Delivers to
- Anywhere in South Africa
- Delivery cost
- Free over R2,000 · R200 under R2,000
Couldn't load pickup availability
- ✓ 1-year warranty against manufacturing defects
- ✓ Collection in Bedfordview by appointment
A Synerji open-back extension box in the standard 2x4 and 4x4 sizes, used to extend the depth of an existing wall box so wiring and connections fit comfortably behind a switch or socket plate. Synerji makes it in 0.45mm steel with a white powder-coated finish, and it adds 38mm of depth.
Order the size that matches the wall box behind it: 2x4 for a single switch or socket plate, 4x4 for a double. For the wall box itself, see the Synerji Galvanised Wall Box – 2x4/4x4.
Features
- Extends an existing wall box by 38mm
- Open-back design for easy wiring
- 0.45mm steel with white powder coating
- 2x4 and 4x4 sizes
- 3-year warranty
Specifications
| Type | Open metal extension box (open back) |
|---|---|
| Size / ways | 4×2 (SYH4X2EBO, nominal 100×50) or 4×4 (SYH4X4EBO, nominal 100×100) |
| Material | Metal (steel), 0.45mm thick, white powder-coated |
| Use | Extends the depth of an existing wall box to house wiring and connections behind a switch or socket plate |
| Warranty | 3 years |
By option
| 2X4 | 4X4 | |
|---|---|---|
| Dimensions | 129 × 86 × 38mm deep | 129 × 131 × 38mm deep |
Product codes
2X4: SYH4X2EBO · 4X4: SYH4X4EBO
Good to know
Is this a plastic box?
No. Synerji lists it as a 0.45mm metal box with a white powder-coated finish.
What does 'open' mean?
The back has a large cut-out, so it fits over an existing box. The closed version (SYH4X2EBC / SYH4X4EBC) has a solid back.
Which size do I need?
4×2 for a 100×50 plate, 4×4 for a 100×100 plate.
Does it need an electrician?
Yes. It must be installed by a qualified electrician.
See more electrical accessories, our electrical range and the full Synerji range.
Delivery, collection & returns
Delivery, collection & returns
Delivery: courier delivery across South Africa, free on orders over R2,000 (R200 on orders under R2,000). Delivery takes 3–5 business days.
Collection: collect from 27 Talisman Ave, Bedfordview, Germiston, 2008, by appointment.
Returns & warranty: request a return within 30 days of delivery (unused, in original packaging; handling fees apply). 1-year warranty against manufacturing defects. Read the returns policy.
Questions? Call 011 568 2275 or WhatsApp 064 161 0213.
