65- 407 C.M.R. ch. 130, § 2
"Serious accident" means any accident occurring upon the premises of any public utility or directly or indirectly arising from or connected with the maintenance or operation of a utility's physical facilities or equipment that results in the loss of human life, personal injury requiring in-patient hospital admission, more than seven days' lost work time of a utility employee or independent contractor employed by a utility, or property damage of $50,000 or more, including the cost of lost gas in the case of gas and natural gas pipeline utilities.
"Electric contact" means any release of electricity from a utility's equipment or facilities that results in the loss of human life or personal injury requiring in-patient hospital admission to a member of the public, a utility employee, or an independent contractor employed by a utility. Electric contact does not include a slight feeling of electric sensation that does not lead to in-patient hospital admission.
65- 407 C.M.R. ch. 130, § 2