The Leviton 13357-N (LH1079) is a professional-grade, tall-profile fluorescent lampholder designed for medium bi-pin (G13) lamps. It is commonly used in commercial and industrial lighting fixtures for reliable lamp seating and electrical connection.Technical Specifications Lamp Base: Medium Bi-Pin (G13) Lamp Type: T8/T12 Linear Fluorescent Electrical Ratings: 660 Watts, 600 Volts Circuitry: Non-shunted (Standard) Profile: Tall profile (2.04" - 2.05" height) Body Material: White Thermoset (Urea) Contact Material: Copper alloy Physical Dimensions Height: 2.05 inches Width: 1.25 inches Depth: 0.72 inches Installation and Mounting Mounting Type: Slide-on with captive nut and screw (#6-32 zinc-plated) Panel Thickness: Fits 18 to 20 gauge panels Termination: Quick-connect terminals for 18 AWG solid or tinned stranded wire Wire Strip Length: 3/8 inch Contact Type: Turn-type (90-degree forward and back rotation for lamp locking) Compliance and Certifications Approvals: UL Listed (File E5833), CSA Certified (File LR5863), and NOM 057 Environmental: RoHS Compliant