NCIDQ IDFX Practice Exam

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What is the most common type of energy-efficient lamp?

Standard incandescent lamp.
GU-24 lamp.
Parabolic Alluminized Reflector (PAR) lamp.
MR-16 lamp.

The correct answer is: GU-24 lamp.

The most common type of energy-efficient lamp is often identified as the GU-24 lamp. This type of lamp utilizes a compact fluorescent or LED technology and is designed to operate with a specific socket base that enhances energy efficiency. GU-24 lamps are known for their long lifespan compared to traditional incandescent bulbs, which contributes to their popularity in energy-saving applications. The design of the GU-24 base also encourages the use of more efficient lighting technologies, facilitating easier integration into residential and commercial lighting fixtures. Given the increasing emphasis on sustainability and reducing energy consumption in lighting, GU-24 lamps are widely adopted in various settings, making them a leading choice in the realm of energy-efficient lighting solutions.