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Lumos GU10 Bulb Adapter - White

£1399
RRP £1920
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Lumos is a GU10 bulb adapter in white-painted metal that converts ceiling fittings to accept GU10 LED or halogen bulbs. At 57mm diameter, it fits standard European ceiling roses and sits flush to the ceiling once installed, housing a bayonet or screw fitting bulb holder converted to GU10 twist-and-lock socket.

Designed for retrofitting ceiling lights where the original fitting uses a different bulb base, the Lumos allows GU10 downlight bulbs to be used in fixtures that were wired for bayonet cap or Edison screw fittings. This is particularly useful when replacing old ceiling lights with modern recessed downlights or when standardising bulb types across a property. The adapter mounts directly to the ceiling rose and accepts any standard GU10 bulb up to the wattage rating of the existing circuit.

The white metal construction provides both electrical insulation and physical durability, with a powder-coat finish that resists yellowing under heat from halogen bulbs. The compact 57mm diameter keeps the adapter discreet when fitted, making it suitable for recessed or semi-recessed ceiling applications where a visible adapter would spoil the line of the ceiling. The Lumos carries a 5-year warranty from Ideal Lux.

Specification
Diameter (mm) 57
Warranty 5 Years
Frequently Asked

What ceiling fittings does the Lumos adapt?

The Lumos converts standard UK ceiling roses (bayonet cap or Edison screw) to accept GU10 twist-and-lock bulbs. It mounts to the rose and provides a GU10 socket for the bulb to fit into.

What wattage bulb can it take?

The adapter itself does not limit wattage — it is constrained by the existing circuit and ceiling rose rating. Most domestic ceiling circuits are rated for 60W halogen or equivalent LED. Check the existing fixture rating before installing a bulb.

Does it work with dimmable GU10 bulbs?

Yes, provided the existing circuit is wired to a compatible dimmer switch. The adapter is a passive fitting and does not affect dimmer compatibility — dimming depends on the bulb and the dimmer model.

How is it installed?

The Lumos fits onto a standard UK ceiling rose in place of a traditional bulb holder. Installation requires basic electrical competence and should comply with UK wiring regulations. If uncertain, consult a qualified electrician.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    The Lumos is a GU10 bulb adapter in white-painted metal that converts ceiling fittings to accept GU10 LED or halogen bulbs. At 57mm diameter, it fits standard European ceiling roses and sits flush to the ceiling once installed, housing a bayonet or screw fitting bulb holder converted to GU10 twist-and-lock socket.

    Designed for retrofitting ceiling lights where the original fitting uses a different bulb base, the Lumos allows GU10 downlight bulbs to be used in fixtures that were wired for bayonet cap or Edison screw fittings. This is particularly useful when replacing old ceiling lights with modern recessed downlights or when standardising bulb types across a property. The adapter mounts directly to the ceiling rose and accepts any standard GU10 bulb up to the wattage rating of the existing circuit.

    The white metal construction provides both electrical insulation and physical durability, with a powder-coat finish that resists yellowing under heat from halogen bulbs. The compact 57mm diameter keeps the adapter discreet when fitted, making it suitable for recessed or semi-recessed ceiling applications where a visible adapter would spoil the line of the ceiling. The Lumos carries a 5-year warranty from Ideal Lux.

    Specification
    Diameter (mm) 57
    Warranty 5 Years
    Frequently Asked

    What ceiling fittings does the Lumos adapt?

    The Lumos converts standard UK ceiling roses (bayonet cap or Edison screw) to accept GU10 twist-and-lock bulbs. It mounts to the rose and provides a GU10 socket for the bulb to fit into.

    What wattage bulb can it take?

    The adapter itself does not limit wattage — it is constrained by the existing circuit and ceiling rose rating. Most domestic ceiling circuits are rated for 60W halogen or equivalent LED. Check the existing fixture rating before installing a bulb.

    Does it work with dimmable GU10 bulbs?

    Yes, provided the existing circuit is wired to a compatible dimmer switch. The adapter is a passive fitting and does not affect dimmer compatibility — dimming depends on the bulb and the dimmer model.

    How is it installed?

    The Lumos fits onto a standard UK ceiling rose in place of a traditional bulb holder. Installation requires basic electrical competence and should comply with UK wiring regulations. If uncertain, consult a qualified electrician.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.