What is Open Rated Lamp (Medium Base)
Open rated lamp (medium base) refers to a bulb that is designed for use in open fixtures where the bulb will be exposed during usage. It has a medium base (E26), which is a standard socket size for many types of light bulbs. The term “open rated” indicates that the lamp is suitable for use in fixtures that do not fully enclose the bulb. This type of lamp typically has a narrower neck than standard medium base lamps to fit into an exclusionary medium socket for open fixture use. It is not suitable for use in fully enclosed fixtures.