E12 porcelain lampholder
Material: copper/iron/aluminium
CE ROHS
E12 porcelain lampholder
Material: copper/iron/aluminium
1)Porcelain lampholder E12, lamp base
2)CE
3)cheap price with good quality
4)fittings:copper, aluminum,iron or zinc alloy
E12 lampholder Candelabra (US), 12mm diameter, typically found on night light bulbs, chandelier bulbs,
The metal screw itself forms one of the contacts for the circuit. If the lighting system is not correctly wired, or a lamp is plugged into a non-polarized outlet, the metal screw can become energized, presenting an electric shock hazard to anyone attempting to change the lamp.
Screw bases are more suitable for small size bulbs
A bulb fully screwed home is more secure than a bayonet fit bulb
Moisture and debris is less likely to contaminate the contacts of a screw base bulb
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