Duct-o-Wire (DOW) Fig 8 P-Series Collector Assemblies. 200 Amp Tandem Mount Collectors. For Vertical Mount Systems up to 600 Volts With Straight and Curved Runs and Transfers. The Collector is a Sliding Contact Type Which Confines the Wear to the Easily Replaceable Contact Shoe. The Contact Shoes are Supported by Insulated Shoe Holders on Spring Loaded Collector Arms Designed to Articulate and Swivel. Collector Arms are Designed to Accommodate a Certain Amount of Movement or Misalignments Between the Crane / Vehicle and the Conductor. Conductor Bars Must be Spaced at Least 3 Inches Apart. However, if Misalignements are Excessive the Collector Could Disengage from the Bar. Poor Collector Installation is the Single Greatest cause of New System Problems. Installation Instructions Should be closely followed to Optimize System Performance and Prevent Problems. To Order Bronze Collectors With Stainless Steel Hardware, Contact Us for Pricing. Highly Recommended if Expansion Gap Assemblies, Transfers, or Radio Remotes in use.