Light Bulb Socket Sizes Chart

DesignationBase major diameter (thread external)NameApplicationIEC 60061-1 standard sheet
E55 mmLilliput Edison Screw (LES)Indicator lights, decorative lights7004-25[11]
E1010 mmMiniature Edison Screw (MES), C6Flashlights, bicycle lights7004-22
E1111 mmMini-Candelabra Edison Screw (mini-can)120 V halogen mini-candelabra(7004-6-1)
E1212 mmCandelabra Edison Screw (CES), C7120 V candelabra/night lamp7004-28
E1414 mmSmall Edison Screw (SES)230 V candelabra/chandelier, night lamps, and some pendant lights.7004-23
E1717 mmIntermediate Edison Screw (IES), C9120 V appliance / Outdoor Christmas7004-26
E2626 mm[Medium] (one-inch) Edison Screw (ES or MES)Standard 120 V lamps7004-21A-2
E2727 mm[Medium] Edison Screw (ES)Standard 230 V lamps7004-21
E3939 mmSingle-contact (Mogul- in America) Goliath Edison Screw (GES)120 V 250+ W industrial7004-24-A1
E4040 mm(Mogul) Goliath Edison Screw (GES)230 V 250+ W industrial7004-24
screw bases for light bulbs

screw bases for light bulbs

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