Colorado Journeyman Practice Exam Prep - Practice Test & Study Guide

In the case of a listed package spa assembly with a factory-installed ground-fault circuit-interrupter (GFCI), it is important to ensure that any connection to a wall receptacle complies with the necessary safety regulations. For indoor installation, local codes typically require that any receptacle providing power to a spa or similar equipment be protected by a GFCI.

Having GFCI protection for the receptacle is essential as it helps to prevent electrical shock hazards by cutting off power if a ground fault occurs, enhancing the overall safety of the installation. Since the spa already has a factory-installed GFCI, this adds an additional layer of protection; however, the receptacle itself still requires its own GFCI protection to maintain compliance with electrical codes, especially in areas where water is present.

Therefore, it is crucial to ensure that the receptacle connected to the spa is protected by a GFCI device to meet safety standards and code requirements, making compliance a necessity.