Common Household to Mogul Socket Adapter – Northern Light Bars
Leviton 8680 Porcelain Mogul Base Incandescent Lampholder, 1500W-600V with Cap and Liner (White), Light Sockets - Amazon Canada
IS4226-3W - 6KV Pulse Rated Mogul Base Porcelain Incandescent Light Socket with Wire Ways - E39 Lamp Base - 1.5" Base Diameter - 2.83 Inch Overall Height - .25" x .032" Male
Leviton 1500W Mogul-Mogul Base One-Piece Glazed Porcelain Adapter/Extender Incandescent Lampholder, White 8647-100 - The Home Depot
2 Packs Orlich E39 to E26 Adapter (Mogul Base E39 to Medium Base E26), UL Listed,Ceramic Material-high Voltage and High Temperature Resistant | Walmart Canada
Light Bulb Socket Adapter Mogul Base E39 to Medium E26 Screw Reducer 845832007212 | eBay