QUESTION: What are the differences between Power Pipe™ and Power Pipe II™?

ANSWER: Power Pipe™ System is a line of mounting, junction box and transformer options for 120V, 230V or 277V applications for use with BKSSL® fixtures, TRe20 electronic transformers as well as low voltage fixtures that utilize halogen lamps. Power Pipe's physical dimensions differ from the PPII version with the former measuring 2" diameter Schedule 80 PVC pipe whereas the latter measures 2 7/8" diameter Schedule 80 PVC.

Power Pipe II™ System functions as a transformer housing for 150VA electronic transformers and fixtures with halogen lamp sources.

pp as transBoth can be used for fixture mounting or stand-alone boxes. When used as a transformer housing the "T" housing is required to provide room for the transformer. It is shown to the right.

Both are available in two installation types that include Stake (S) and Junction Box (J). The S type allows conduit to be easily inserted up into the pipe. The end of the pipe is open and chamfered for insertion into soil. The J type provides a closed box with cap along with PVC slip connections for branch wiring.

Power Pipe™ includes [2] 1/2" slip connectors whereas the larger diameter of Power Pipe II™ includes [3] 1/2" slip connectors. The diagram shown below displays some of the differences and specifications between the two as shown in the Junction Box (J) type configuration.

pp vs ppII schematic

Another difference between Power Pipe™ and the PPII is the Adjustable Stem (Type A18) option that is available on the Power Pipe™. This installation type includes an 18" field adjustable stem that can be raised or lowered depending on landscaping conditions or growth. Any unused stem length remains hidden inside the housing while Delrin bushing and stainless steel set screws secure mounting heights. This option is not available in the Power Pipe II™.

Both versions are available with an optional molded 6" diameter Stability Flange. This option simplifies installation and projects into substrate reinforcing housing stability.