ICC Residential Electrical Inspectors Practice Exam

What is the minimum water depth that classifies a pool as permanently installed?

1. 30 inches

2. 36 inches

3. 42 inches

4. 48 inches

The correct answer is: 42 inches

A pool is classified as permanently installed when it meets specific criteria regarding its depth. A minimum water depth of 42 inches is generally accepted for this classification. This standard is important as it distinguishes between temporary or inflatable pools and those that are intended for more permanent use, taking into account safety regulations and structural considerations. Pools with a depth less than this threshold are often considered temporary and may not be subject to the same rigorous building codes or safety standards that apply to deeper, permanently installed pools. Therefore, when assessing a pool's classification, the depth plays a crucial role, and the 42-inch requirement ensures that the pool is substantial enough to warrant these considerations.