E27 F519-8 Porcelain lamp holders,Cooper Wiring Porcelain Lamp holder: Lampholder fixture sockets porcelain - keyless medium base - incandescentScrew terminals are backed out. Hickeys and nipples have 1/8 inch thread for mounting on standard fixture, 0.44 inch bracket height, 1.88 inch overall height. 660 watt, 250 volt. Temperature rating of -40 to 65 degrees C. Interiors have removable turn knobs.
James supply the lamp holders, bulb holders, E27 lamp holder and GU10 lamp holder 30 years!
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