UL 48-201x, Standard for Safety for Electric Signs (revision of ANSI/UL 48-2017) | ANSI Standards Action PDF Page 4 This proposal for UL 48 covers: (1) Minimum AWG size, selection, and installation of Class 2 secondary wiring; (2) Sign receptacles provided for auxiliary functions; (3) Standards and requirements for components used in PV signs; and (4) … Continue reading Electric Sign Safety