Bulb lamp bases of E27,E14,B22

Conventional lighting the lamp holer is E27,B22,E14,buyer need to notic the seller which lampl holer can fit the order lighting project.

E27 and E14 lamp bases is belong to Ddison screw mounts,because they were developed by Thomas Edison.The E27 and E14 as metal lamp bases screws into the socket and the light bulb will be fixed for lighting.
The No. after letter “E” stand for quantitative value of the external diameter,E27 is about 26mm,E14 is 14mm.

B22 is one kind of lamp bases B bayonet with two heave latch,external diameter is 22mm. (More information please visit www.greendyled.com)