12” / 0.30m Hardwired Power Strip, 4 Vertical 20Amp (Not Tamper Resistant) Outlets, White With EARS on both Ends, Total Length 13.27” / 337mm Measurement: L12″ x W1.61″ x H1.16″ (305 x 41 x 29.5mm); Casing/Outlet Height: 1.16"/0.19" (29.5/4.9mm) Master On/Off Switch with 20Amp Resettable Circuit Breaker No Power Cord - Hardwired and to be Mounted at Your Desired Location. Installation Instruction Included 12/3 AWG Tin-Coated Copper Wiring with NEMA 5-20R Receptacles Electrical Ratings: 125V/20A/60Hz/Recommended Max Load 1920W ETL Approved and Listed (Conforms to UL 5 and CAN/CSA C22.2 No. 62) 6 Easily Punched off Knockouts, 1 on Each Side - (Top/Bottom Cover, Both Sides/Ends) Great for Contractors, Electricians and Installers, as well as DIYers 12” Hardwired Power Strip with 4 x 20A Outlets, Switch - * NOTE: Measurement is approximate: For installation purpose, the length of the power strip unit does not include ears, (mounting tabs 0.67" / 17mm on each end). For models with ears, 2 x 0.67" / 17mm need to be added to the product length in the dimension listed above; the width does not include the size of screws (min. 0.06" / 1.5mm) on each side; the height (or thickness) does not include the receptacles (Regular Outlets: 0.19" / 4.9mm; TR Outlets: 0.25" / 6.3mm) above the surface of the casing, please consider Adding 0.12″/3mm in Height if Clips are to be used. - SAFETY WARNING: - Installation work of this unit must be done by a professional, a licensed electrician or an electric engineer. - Never install this unit during a thunder storm. - Switch off the power before you start installation work. - This unit is for indoor use only. - This unit is not intended for use in or around wet or potentially wet areas including, but not limited to, aquariums, saunas, showers and fountains.