![shock3](https://img.equipmentworld.com/files/base/randallreilly/all/image/2014/04/eqw.shock3.png?auto=format%2Ccompress&q=70&w=400)
The accident: One man in a five-man crew was using a jackhammer, which was connected to an extension cord. The jackhammer’s worn extension cord came into contact with standing rainwater, and the man, who was not wearing company-issued rubber boots, was electrocuted.