| WARNING Keep away from live circuits. Operating personnel must observe safety regulations at all times. |
| WARNING Ground the DGA monitor cabinets as instructed in the wiring instructions. Verify the grounding before and after performing maintenance on the unit. |
| CAUTION Do not modify the DGA monitor or use it in ways not described in the documentation. Modifications may lead to safety hazards, equipment damage, failure to perform according to specification, or decreased equipment lifetime. |
| CAUTION Surfaces inside DGA monitor that are marked with the symbol below heat up during normal operation. Avoid touching hot surfaces and wear protective gloves when working inside the cabinet. Whenever possible, allow the DGA monitor to cool down before starting the work. |
| Wear protective eyewear and gloves. |