Equipment listed for pool and spa use is considered suitable for what kind of environments?

Equipment that is listed for pool and spa use is specifically designed to be suitable for corrosive environments. This categorization is essential due to the presence of chlorinated water, high humidity, and other chemical exposures commonly found in pool and spa settings. Such environments can be particularly harsh on materials and electrical components.

The National Electrical Code emphasizes the importance of using equipment that can withstand these conditions without degrading or posing safety risks. This means that the materials used in the construction of the equipment, including enclosures, wiring, and components, must be resistant to corrosion from moisture and chemicals often present in pools and spas.

While equipment may also be employed in dry, cold, or high voltage environments, these categories are not the primary design considerations addressed by the NEC for pool and spa applications. Thus, recognizing the specific suitability for corrosive environments ensures safety and longevity of the equipment used in these aquatic settings.