Scout's Toolbox Talks

Improper grounding or bonding of portable generators and temporary power systems can lead to electrocution, shock, and equipment damage.

Why It Matters:
OSHA 1926.404(f)(3) requires all temporary power systems to be properly grounded. Many jobsite electrical incidents happen because workers assume generators are "plug and play" — but without grounding, stray current can flow through tools, extension cords, or even your body.

Key Points:

• Grounding connects the generator's electrical system to the earth, preventing dangerous voltage buildup.
• Bonding ensures that all metal parts (frames, cases) are at the same electrical potential to prevent shocks.
• Some generators require grounding, some are “neutral bonded” and don’t — check the manufacturer’s manual.
• Use ground rods when required, especially for generators not mounted to vehicles.
• Inspect bonding jumpers, ground wires, and terminals every time you set up or move a generator.
• Never modify cords or bypass grounding pins on plugs.

✅ If you don’t ground it right, you could become the path to ground.

Ask the Crew:

• Do we know if our generator needs a separate ground rod?
• Are all power cords grounded and intact?
• Who verifies grounding and bonding before use?

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