Allanson’s POW-R-PAK Indoor Neon Transformer for Skeleton Tubing P.O.P Applications. Proven SGFI technology – provides problem free sign operation Intelligent diagnostic ground fault and open circuit protection – simplifies service Smaller 3” w x 6” l x 1.5” h size – allows for more indoor sign installation options 24” leads and sleeveless GT015 – eliminates need for additional sleeves UL Listed and CSA Approved