GU4

The GU4 is a 2-pin cap with a 4mm gap between pin centres, and a pin diameter of around 1mm. The glass base of the GU4 has a grip channel cut into one or both sides. This cap is used on low-voltage MR11 and MR8 reflector lamps, which are small spotlights used in applications such as track lighting, display cases, and decorational lighting.

Alternative names:

None.

Bulb types:

MR8 Reflector, MR11 Reflector.

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  1. Integral 3.7W Cool White LED MR11 Bulb

    £5.99 £4.99 As low as £6.83
  2. Integral 3.7W Warm White LED MR11 Bulb

    £5.99 £4.99 As low as £6.83
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