The Clamshell is a quick  and convenient way to mount a 16-inch pedestrian maintenance housing. With one half installed pole and the other half installed on the housing, the dual mount pieces easily slide together creating a single, secure mount that allows easy maintenance access and quick removal and remounting in the field.


  • Made of cast aluminum alloy.
  • Quick and easy to install.
  • Multiple mounting options to meet various requirements.
  • Tamper Resistant.
  • Available in multiple  colors.

Standard Features

  • Design allows for mounting to left or right side of maintenance head.
  • Neoprene gasket used around access door and wire entrance hole on back side of mount to ensure weather tight seal.
  • 3 position double row terminal block a allows Field wires to terminate in Clamshell.
  • 24” Wire leads provided to connect Clamshell terminal block to Ped terminal block.


  • 12 position terminal block version available.


General Specifications

  • Dimensions:  11” H X 5” W X 2.5” D
  • Material:  Cast  Aluminum Alloy
  • Finish:  Powder Coat
  • Colors: Federal Yellow, West Coast Green, Black (Contact Mfg concerning other colors)
  • Latching System: Flathead 3/16” hex socket bolt
  • Mounting: Band, Through-Bolt, or Lag Screws
  • Shipping Weight: 4.5lbs

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Eagle Traffic Control Systems continues our 80+ year history of providing excellence in the ever evolving traffic industry. All of Eagle’s products are developed with the highest standards of engineering and manufacturing. Eagle maintains a superior level of integrity in interactions with all of our business partners and customers. We also take tremendous pride in being model corporate citizens.