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Leviton 2 Pin, 250 VAC, 660 Watt, Medium Base, Keyless Lamp Holder Incandescent, Screw Mount 9874 - 57271520 - Penn Tool Co., Inc
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Leviton - 4 Pin, 250 VAC, 660 Watt, Medium Base, Keyless Lamp Holder - 57271538 - MSC Industrial Supply
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Leviton 660 Wat Medium Base One-Piece Single Circuit Keyless Ceiling Mount Glazed Porcelain Incandescent Lampholder, White 9874 - The Home Depot
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Amazon.com: Leviton 8101 019-0-000 1-Circuit 2-Piece Keyless Lamp Holder With Tew Wire Leads, 660 W, Incandescent, Medium, No Size, White : Industrial & Scientific
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Leviton 9880 Medium Base, Two-Piece, Keyless, Incandescent, Unglazed Porcelain Lampholder, Surface Mount Low, Single Circuit, Back Wired, White Pack of 1 - Medium Light Socket - Amazon.com
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