Legrand Synergy - 0600 58 - White Moulded 6a Standard Angled Batten Lamp Holder | eBay
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E 40 lampholder - 16 A - 500 V~ - porcelain - one-piece unit - white - 0 601 80 - Legrand
Legrand-Pass & Seymour 8101CC10 Medium Base Incandescent porcelain Lamp Holder, Keyless, Single Circuit, 2-Piece Ring with Leads 1 3/8-Inch to 1 1/2-Inch Hole - Light Sockets - Amazon.com
13057UN Legrand-Pass & Seymour Fluor LH Med Bi-Pin Slide On (M10)
Legrand-Pass & Seymour 9880CC10 Medium Base Lamp Holder Porcelain Surface Amount Type, Two Piece Construction - Light Sockets - Amazon.com