What is Type A bulb?
Type A bulbs, also called standard bulbs, are the classic, pear-shaped bulb. They’re used in both residential and commercial applications and screw in using an Edison screw. The most common of these bulbs are lamp bulbs or A19, which are used in all lamps, and A15 appliance bulbs.
What is E27?
E27 bulbs, often referred to a ES bulbs which is an acronym for Edison-screw, have a threaded base for use with compatible screw in fixtures. The base of an E27 light bulb is 27mm wide and is a popular fitting in a range of domestic settings for lamps and feature lights.
What is the type of bulb connection?
The most common type of sockets for mains electricity are Edison screws, used in continental Europe and North America, while bayonet mounts dominate in the Commonwealth countries, except Canada, and in the automotive industry. Fluorescent lamps typically require a two-pin, unthreaded socket.
Are LED bulbs type A?
Type A. Type A LED tubes are ballast compatible. This is the “plug and play” or “lamp for lamp” scenario most commonly used in re-lamping projects, where you simply replace the bulb with an LED lamp while retaining the original ballast and fixture of the fluorescent.