A residential swimming pool has a pool heater that is installed outdoors. What is the minimum grounding requirement for the heater according to the 2024 IRC?
- AA single grounding electrode.
- A single grounding electrode with a minimum length of 8 feet.
- CA single grounding electrode with a minimum length of 10 feet.
- DA grounding electrode system consisting of two electrodes.
Exam tip
Be familiar with the specific grounding requirements for outdoor pool heaters.
Why B is correct
According to 2024 IRC Section 680.26, the grounding electrode for an outdoor pool heater must be a single electrode with a minimum length of 8 feet. Options A, C, and D are incorrect because they do not meet the specific grounding requirements.