Jin Yi Electric tell you - lamp holder classification introduction

According to code caliber:

2.1 E12(UL called CandelabraBase) This type of lamp holder is mainly used in the US, Canada and Japan markets;

2.2 E14 This type of lamp holder is mainly used in Japan, Europe and South America;

2.3 E17(UL referred to as InstermediateBase) This type of lamp holder is mainly used in the US and Japan markets;

2.4 E27/26(UL called MediumBase) This type of lamp holder is mainly used in the United States, Canada, Europe, and Japan

This market;

2.5 G8(halogen lamp holder) This type of lamp holder is mainly used in the United States and Canada;

2.6G9 (Halogen lamp holder) This type of lamp holder is mainly used in the United States, Canada, Europe market;

2.7B15 (bayonet type) This type of lamp holder is mainly used in the UK, Australia and other Commonwealth countries or regions market;

2.8B22 (bayonet type) This type of lamp holder is mainly used in the UK, Australia and other Commonwealth countries or regions of the market;

Description: E -- refers to the combination of lamp holder and bulb in spiral type, the number (27/26/14) indicates the inner diameter of screw shell thread.

For example, E27 indicates that the lamp holder is spiral and the inner diameter of the screw shell thread is 27mm.

B -- refers to the combination of lamp holder and bulb is bayonet type, the number (15/22) indicates the inner diameter of screw shell bayonet.

For example, B22 indicates that the lamp holder is bayonet type, and the inner diameter of the shell bayonet is 22mm.

G -- refers to the insertion mode of the lamp holder and the bulb, and the number (9/8/6.35) indicates the distance between the center of the two pins of the bulb.

For example, G9 indicates that the lamp holder is insert type, and the distance between the center of the two pins is 9mm.