Retention Sockets

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Duckfoot Bend

Intelligent foundation systems for illuminated post installations

The NAL Duckfoot Retention Socket system is a patented range of fittings designed to secure all types of directly cabled illuminated street furniture enabling easy removal after impact simply with a key and a spanner. All Retention Sockets are manufactured in cast steel or ductile iron and galvanised.  A stainless steel locking mechanism located in the side chamber secures the street furniture in place. The Duckfoot Retention Socket is manufactured with a one way duct bend offering 360 degree swivel and cable entry through the base of the post.  These Retention Systems can be easily shortened on site and are suitable for all directly cabled illuminated street furniture such as Traffic Signals, Illuminated Signs, Street Lighting Columns,  Electric Charging posts, Interactive Signs, and your specific application.

Product Benefits


  • Ability to be installed in shallow depth
  • EN40 or BD9407 foundation design service
  • Enables civils works to be completed without street furniture
  • 360 degree bottom cable entry bend allows easier cabling works at ground level

  • Withstands unlimited impacts of any force
  • Eliminates civils works on replacement of knockdowns
  • Minimises disruption and traffic management costs during replacement
  • Maintenance works can be carried out in a controlled environment
  • Simplifies the erection and removal of seasonal street furniture

  • Allows public areas to be cleared for events
  • New & upgraded technology can be installed quickly and cost effectively
  • Simplifies the works involved with wide loads
  • Increases the life expectancy of the street furniture in the Retention Sockets
  • 100 years life expectancy allows for 4 street furniture life cycles


Product Description

Intelligent foundation systems for illuminated post installations

The NAL Duckfoot Retention Socket system is a patented range of fittings designed to secure all types of directly cabled illuminated street furniture enabling easy removal after impact simply with a key and a spanner. All Retention Sockets are manufactured in cast steel or ductile iron and galvanised.  A stainless steel locking mechanism located in the side chamber secures the street furniture in place. The Duckfoot Retention Socket is manufactured with a one way duct bend offering 360 degree swivel and cable entry through the base of the post.  These Retention Systems can be easily shortened on site and are suitable for all directly cabled illuminated street furniture such as Traffic Signals, Illuminated Signs, Street Lighting Columns,  Electric Charging posts, Interactive Signs, and your specific application.

  • Ability to be installed in shallow depth
  • EN40 or BD9407 foundation design service
  • Enables civils works to be completed without street furniture
  • 360 degree bottom cable entry bend allows easier cabling works at ground level
  • Withstands unlimited impacts of any force
  • Eliminates civils works on replacement of knockdowns
  • Minimises disruption and traffic management costs during replacement
  • Maintenance works can be carried out in a controlled environment
  • Simplifies the erection and removal of seasonal street furniture
  • Allows public areas to be cleared for events
  • New & upgraded technology can be installed quickly and cost effectively
  • Simplifies the works involved with wide loads
  • Increases the life expectancy of the street furniture in the Retention Sockets
  • 100 years life expectancy allows for 4 street furniture life cycles

Additional Information

Industry Sector

Traffic Signals