What is the WARNING regarding the inside of the SOPV?

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Study for the DC 311 Aqueous Film Forming Foam (AFFF) Transfer Station Operator Test with multiple choice questions, and detailed explanations. Get ready for your exam!

Multiple Choice

What is the WARNING regarding the inside of the SOPV?

Explanation:
The warning is about a high-voltage hazard inside the SOPV. It is supplied with 440 volts, so there is dangerous electrical energy present when the valve is energized. Before opening or servicing, power must be removed and verified off, lockout/tagout used, and any residual energy discharged; only qualified personnel should work on it. This is not about lower voltages like 110V or 12V, and the device is not immune to overvoltage—the key safety point is the 440V inside.

The warning is about a high-voltage hazard inside the SOPV. It is supplied with 440 volts, so there is dangerous electrical energy present when the valve is energized. Before opening or servicing, power must be removed and verified off, lockout/tagout used, and any residual energy discharged; only qualified personnel should work on it. This is not about lower voltages like 110V or 12V, and the device is not immune to overvoltage—the key safety point is the 440V inside.

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