Follow lockout/tagout (LOTO) procedures to ensure complete safety while working with electrical equipment.
Safety tips for working around electrical panels:
• Turn off power before starting work.
• Use insulated tools and wear protective gloves and shoes.
• Ensure proper grounding of panels and cabinets.
• Avoid water or moisture near electrical panels.
• Regularly inspect panels for loose connections or damaged components.
• Keep flammable materials away from panels.
| Case No. | Lens | Focal Length | Object Distance |
|---|---|---|---|
| 1 | \(A\) | 50 cm | 25 cm |
| 2 | B | 20 cm | 60 cm |
| 3 | C | 15 cm | 30 cm |