Ground-fault circuit-interrupter protection has been providing a safer environment for installers, inspectors, and consumers since introduced in the NEC for dwelling units nearly fifty years ago. Having a grasp on where GFCI is required in the code and the best practices for installation enables electrical industry professionals to take full advantage of the technology and its many applications. The latest expansion of GFCI in the NEC 2020 only looks to further advance safety of the industry and the public from electrical hazards. To fully grasp this update, you must understand the requirements and functionality of this technology for installation and inspection purposes. Download the article to read more.