FINELED 3PACK Mogul/Goliath (E39/E40) to Standard Base (E26/E27) Adapters, Use This Adapter to Plug an E26/E27 Bulb Into a Mogul/Goliath (E39/E40) Light Fixture Designed for adapting LED bulbs that use much bigger wattages than traditional E39/E40 based bulbs TransformsLight E26 E27 To E39 E40 Lamp Bulb Socket High temperature resistant, anti-burning PBT and anti-aging Voltage max: 220V Current max: 4A heat-deformation temperatures200 Practical and durable, easy to install