Construction trade workers represented 57 percent of fatal electrical accidents.

OSHA found Arrow Plumbing LLC committed six willful and eight serious violations of workplace safety standards, and initially proposed a $714,142 fine.

Employees were making a trenchless sewer repair when the incident occurred. 

Law makes WaterSense program part of federal law for first time.

Employers are still permitted to implement safety incentive programs and require post-incident drug testing, provided that the actions are taken to promote workplace safety and health and not to penalize employees for reporting work-related injuries or illnesses.

OSHA will increase education and enforcement efforts while its inspectors will record trenching and excavation inspections in a national reporting system.