SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

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Outdoor refrigerant circuit access ports on a rooftop condensing unit that is reachable from an unlocked stair and ladder must be:

Left with standard plastic Schrader caps so gauges can be connected quickly Fitted with locking-type tamper-resistant caps or otherwise secured against unauthorized access Removed and the ports brazed shut after startup Painted red and labeled only, without a locking cap

Correct Answer:

Fitted with locking-type tamper-resistant caps or otherwise secured against unauthorized access

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