tripp Lite's Pdumh20 Ac Power Distribution Unit Offers A Digital Current Monitor And Provides 20 Amps Of 120 Volt Capacity In A Versatile Multi-mount Cabinet. Detachable Mounting Flanges Are Configurable For Wallmount, Under-counter, Or 1u/0u Rackmount Installation. Uses Only 1u Of Rack Space When Installed In Any 19-inch Rack, With The Potential For Zero U Mounting In The Cable Management Area Of Most Rack Enclosures. Built-in Digital Ammeter Display Offers Continuous Visual Power Consumption Data For The Entire Pdu. Attractive Rackmount Housing With 12 Rear-facing Outlets Measures Only 4.5 Inches In Depth. Unfiltered Electrical Pass-through Without A Power Switch Makes The Pdumh20 Ideal For Distributing Alternate Waveform Ups Or Generator Power In Rack Enclosures, Network Closets, And More. Includes 12 Rear-facing Nema 5-15/20r Outlets, 15-ft. Ac Power Cord With L5-20p Input Plug. Comes Wih 6-inch L5-20p-to-5-20p Adapter, 20 Amp Breaker, Tvss Grounding Lug, And Rugged All-metal Rackmount Case Design.