The Intermatic Uwz48E120/50U Is A 120V, 50 Hz, Flush mounted Hour Meter From The Uwz Series. It Is Used With Different Indoor Applications And Meets Ip20 Environmental Ratings. The Model Comes In The Trademark Light Gray Color. The Numerals On The Black Background Are White, Including Yellow Tenths And Hundredths. Running Indication Is Provided By Orange Numerals. The Model Is Flush Mounted With Bracket And Inserts Into A 1. 79" X 1. 79" (45. 5 X 45. 5 Mm) Cutout, Square Or Round 72 Mm Opening With Optional Bezel. The Panel For Flush Mounting Is Allowed To Be Up To . 35" (9 Mm) Thick. In Order To Secure The Intermatic Uwz48E120/50U Use A Plastic Retaining Bracket That Slips On.