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When should hot water piping in buildings be maintained at the design temperature?
During winter months only
During summer months only
During high occupancy periods only
At all times using a self-regulating heating cable
The correct answer is: At all times using a self-regulating heating cable
Hot water piping in buildings should be maintained at the design temperature at all times using a self-regulating heating cable. This ensures that the hot water remains at the specified temperature regardless of external factors such as weather or occupancy levels. Using a self-regulating heating cable allows for precise temperature control and prevents issues such as freezing or overheating, which can occur if the temperature is not regulated consistently.