HVAC Journeyman Practice Exam

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What is the requirement for the means of interrupting electrical supply to equipment?

Within sight and not more than 35 feet
Within sight and not more than 50 feet
On the same story and not more than 25 feet
Within 25 feet but not direct line of sight

The correct answer is: Within 25 feet but not direct line of sight

The requirement for the means of interrupting electrical supply to equipment emphasizes safety and accessibility during maintenance or emergencies. The correct answer indicates that the disconnecting means should be accessible within 25 feet of the equipment, even if it is not in a direct line of sight. This ensures that in case of an emergency, personnel can quickly shut off power to prevent electrical hazards without needing to locate a distant switch or circuit breaker. This requirement prioritizes quick access to the disconnect, which is crucial for safety. It recognizes that situations can arise where visibility might be obstructed, yet still maintains that the disconnect must be readily accessible within a defined distance. Other options suggest distances and conditions that do not align with this standard, either requiring both visibility and specific distances greater than 25 feet, or being strict about proximity without considering accessibility in emergencies.