Power Pedestals

seasick

GreatGrady Captain
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Folks,
I am researching power pedestals for a dock upgrade project and would appreciate it it if anyone has experiences good or bad with power pedestals. For example, in a salt water northern environment how do the various materials hold up ( PVC, coated aluminum, SS etc)?
What has the useful life span been ( I hear ten years is about average).
Thanks in advance.
Seasick