HOLT Electricians Complete Practice Exam 2026

A 1000-watt incandescent lamp typically requires a mogul base. This type of base is specifically designed to accommodate high-wattage lamps, which generate significant heat and require a more robust connection than standard or medium bases can provide. Mogul bases have a larger diameter and a stronger construction to ensure stability and safety when handling the substantial electrical load of a 1000-watt bulb.

In contrast, standard and medium bases are suited for lower-wattage lamps, such as those commonly found in household fixtures, making them unsuitable for a lamp of this wattage due to potential overheating or socket failure. The miniature base is designed for very small lamps and would not physically or electrically support a 1000-watt incandescent bulb. Hence, the mogul base is necessary to ensure both effectiveness and safety when operating a lamp of this size.