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Always test a circuit to make sure it is de-energized before working on it.
This hand-held sander has exposed wires and should not be used
This extension cord is damaged and should not be used
Overloads are a major cause of fires
short—a low-resistance path between a live wire and the Combinations of hazards increase risk. short—a low-resistance path between a live wire and the ground, or between wires at different voltages (called a fault if the current is unintended)
Always test a circuit to make sure it is de-energized before working on it.
Lock-out/tag-out saves lives.
Nonmetalic sheathing helps protect wires from damage.
Use covers to prevent accidental contact with electrical circuits
This exposed electrical equipment is guarded by an 8-foot fence.
Install bonding jumpers around nonconductive material
Portable GFCI
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