Support for the Cable hook Racks in manholes.
The rack is made from 3/16 Inch gauge steel and
Formed as shown with T-slots for attaching hooks
Spaced at 1-1/2 Inch interval.
The rack is made from 3 x 1-3/8 x 3/16 Channel
Rack Bar with T-slots each at 1-1/2 Inch interval.