HOLT Electricians Practice Exam

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When are outlet boxes supporting paddle fans allowed to be considered adequate?

When they are installed outdoors
When listed and marked by the manufacturer
Only when made of metal
When painted

The correct answer is: When listed and marked by the manufacturer

The adequacy of outlet boxes supporting paddle fans hinges on specific safety and structural standards. An outlet box is considered adequate when it is specifically listed and marked by the manufacturer for the intended application, in this case, supporting paddle fans. This designation indicates that the box has been tested and meets stringent requirements for load-bearing capacity and safety. It assures electricians and homeowners that the box can reliably support the weight and movement of the fan without risk of failure. The other options do not provide the necessary criteria for safety. For example, outdoor installation might present unique challenges, but it does not inherently guarantee that the box is suitable for fans. Similarly, while metal boxes can offer strength, not all metal boxes are rated to support fans unless properly marked by the manufacturer. Painting does not contribute to the structural integrity of the box and has no bearing on its ability to safely support a paddle fan. Therefore, reliance on manufacturer's specifications is key in determining adequacy.