Lampholders Name and Dimension Table

Type

Volts

Base Diameter

(Crest of thread)

Name

IEC

E5

≤18

5 mm

Lilliput Edison Screw (LES)

IEC 60061-1 (7004-25)

E10

≤30

10 mm

MiniatureEdisonScrew (MES)

IEC 60061-1 (7004-22)

E11

240/120

11 mm

Mini-Candelabra Edison Screw (mini-can)

IEC 60061-1 (7004-6-1)

E12

120

12 mm

CandelabraEdisonScrew (CES)

IEC 60061-1 (7004-28)

E14

240

14 mm

SmallEdisonScrew (SES)

IEC 60061-1 (7004-23)

E17

120

17 mm

IntermediateEdisonScrew (IES)

IEC 60061-1 (7004-26)

E26

120

26 mm

[Medium] (one-inch)EdisonScrew (ES or MES)

IEC 60061-1 (7004-21A-2)

E27

240

27 mm

[Medium]EdisonScrew (ES)

IEC 60061-1 (7004-21)

E29

240

29 mm

[Admedium]EdisonScrew (ES)

E39

120

39 mm

(Mogul) GiantEdisonScrew (GES)

E40

240

40 mm

(Mogul) GiantEdisonScrew (GES)

IEC 60061-1 (7004-24)