Utility and Electrical Tags
ASTM F2249
- Temporary protective grounding assemblies
- Ground sets used to protect workers on de-energized lines and equipment
- Ground cables, clamps, ferrules, and grounding assemblies
- Often called ground sets, grounds, or temporary protective grounds (TPG)
ASTM F2321
- Temporary insulated bypass jumpers
- Used on energized power lines and equipment
- Maintains electrical continuity while repairs or maintenance are performed
- Covers insulated jumper cables, clamps, ferrules, and complete bypass jumper assemblies
