Leaving this issue unattended can result in a fire hazard and severe electrical shock. Other signs of out-of-date electrical wiring include discolored outlets or switches and sparking. If you see ...

The electrical hazard symbol is a lightning bolt ... Ungrounded plugs do not prevent electric shock because they only have ...

In addition to signs or tags, barricades shall be used where necessary ... surfaces if they are used where the employee or the ladder could be exposed to electrical shock hazards. If circuits are ...