N.J. Stat. § 5:3-15: Preceding sections not applicable under certain conditions

Sections 5:3-10 to 5:3-14 of this title shall not apply to moving-picture machines using only cellulose acetate films not more than one hundred feet in length nor more than one inch in width and not requiring more than five hundred watts of electric current to operate the arc, except when such machines are used or exhibited in theaters or public places of entertainment, regularly used as such, to which admission fees are charged.