"Ballast" means a component of an electric-discharge lamp used to obtain the necessary circuit conditions for starting and operating the electric-discharge lamp.
"Branch circuit" means the circuit conductor between the final overcurrent device protecting the circuit and the outlet(s).
"Electrical equipment or apparatus" means utilization equipment, other than electric signs, that are connected to a branch circuit.
"Servicing or repairing" means restoration or improvement of electrical equipment or apparatus by replacing a component of the electrical equipment or apparatus that is worn or broken, such that the electrical equipment or apparatus, once serviced or repaired, conforms to the manufacturer's original specifications. "Servicing or repairing" shall not be construed to permit the replacement of ballasts or light emitting diode (LED) drivers.
"Testing" means procedures used to determine proper operation of electric equipment or apparatus or to isolate non-functioning components of such equipment or apparatus.
"Utilization equipment" means equipment that utilizes electric energy for electronic, electromechanical, chemical, heating, lighting or similar purpose.
N.J. Admin. Code § 13:31-4.3