LED bulb caps, shapes and sizes
Start with the cap marked on the existing bulb or specified by the light fitting.
Sizes, selection & buying checks ↗Compare replaceable bulbs, portable lights, extension leads and timers by their stated connections and ratings.
7 product-type references · Amazon UK buying links
Start with the cap marked on the existing bulb or specified by the light fitting.
Sizes, selection & buying checks ↗Compare the light’s shape and mounting options with the area you need to illuminate.
Sizes, selection & buying checks ↗Choose an extension lead around the route to the socket, the connected equipment and the environment in which it will be used.
Sizes, selection & buying checks ↗Decide whether you need the same schedule every day or different settings across the week.
Sizes, selection & buying checks ↗Choose an E27 LED bulb by the fitting's cap and electrical requirements, then compare light output, body size and dimming.
Sizes, selection & buying checks ↗Choose a GU10 LED bulb by its exact cap and electrical specification, then compare output, beam angle, colour temperature and body size.
Sizes, selection & buying checks ↗Choose a G9 LED capsule by the fitting's specified cap and supply, then check its body dimensions, light output and dimming.
Sizes, selection & buying checks ↗These guides describe what to check when choosing a product type. Listings, variants, pack quantities and delivery options are confirmed on Amazon.