Next part: "Testing: Verify that the fixture is operating correctly and adjust as needed."
Lastly: "Fixture overheating: Check for blockages, ensure proper ventilation, and adjust the fixture’s operating schedule."
"Turning on" can be "Powering up", "Initiating", "Starting". "Check" options: "Inspect", "Verify", "Assess". "Power source" could be "Energy supply", "Electricity supply", "Voltage input".
Starting with the first sentence: "Connect the fixture to a 277V or 480V power source, ensuring that the wiring is secure and meets local electrical codes."
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