New Jersey Statutes Title 5. Amusements, Public Exhibitions and Meetings 5 § 3-20

No operator's license shall be required to operate any moving-picture machine or other similar apparatus involving the use of a film more than ten inches in length when such machine or apparatus uses only cellulose acetate films, or other nonexplosive films not more than one hundred feet in length nor more than one inch in width and does not require more than five hundred watts of electric current to operate the arc.