Montague 1408-7 Equivalent Snap In Light Bulb Socker - 660W/250V
My lamp socket says 660 W / 250 V. I live in the US, is it safe to put in a typical 120 Volt bulb? - Quora
E27 LAMPHOLDER 250V ~660W PHILIPS LIGHTING PHILIPS BULB Kuala Lumpur (KL), Selangor, Malaysia Supplier, Supply, Supplies, Distributor | JLL Electrical Sdn Bhd
Max watt bulb for an old "660w 250v" table lamp? - Electrical Engineering Stack Exchange