According to the International Brotherhood of Electrical Workers (IBEW), changing a ballast in a 277 volt circuit is the #1 cause of electrocutions for IBEW trained electricians. The combination of the shock and fall can result in serious injure/death. OSHA cited a hospital recently due to a fatality while an employee was changing a lamp ballast. Click here to read the OSHA News Brief. Also, article 410.130 (G) of the National Electrical Code (NEC) requires a ballast disconnect on new fluorescent fixtures.
Click here for information on our February 10, 2017 NFPA 70E course in Greensboro, North Carolina.