NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

Typically, induction luminaires use which type of socket?

1. Medium bi-pin

2. Mogul

3. Edison

4. None

The correct answer is: None

Induction luminaires are designed to operate without traditional electrodes, which is a key feature that differentiates them from other types of lighting technologies such as fluorescent and incandescent lights. Instead, induction lighting utilizes electromagnetic induction to excite the gas in the lamp, leading to light generation. The statement that induction luminaires use "none" of the listed types of sockets is accurate because they do not rely on standard sockets like medium bi-pin, mogul, or Edison sockets. These luminaires are typically integrated designs where the bulb and the fixture are often combined or factory-sealed, thereby eliminating the need for a conventional socket. This design enhances the longevity and reliability of the luminaire by minimizing vulnerabilities associated with electrical connections found in traditional sockets. The utilization of advanced technologies in induction lighting, such as high-frequency electromagnetic fields, also contributes to its unique operational principles, which further differentiates it from other typical lighting technologies that rely on the mentioned socket types. In summary, induction luminaires' specific design and operational method justify the answer that they do not use any of the listed socket types.