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The Hastings Super “U” Arm Extensions’ “U” shaped profile gives these arms a load rating of 200 lbs. per wire holder. These arms are furnished with an insulator on each wire holder giving them a 35kV rating.

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  • The Super “U” Arm is designed with a profile “U” shape for greater strength and durability. The many features and benefits of the Super “U” Arm make it the best and most cost-effective extension arm available for replacing conductors and insulators.
  • All arms include insulated conductor holders to insure dielectric integrity. Arms are rated for 34.5KV phase-to-phase work applications.
  •  Arms with the standard conductor holder will accept conductors up to 1 1/16” O.D. or up to 800 MCM.
  • The Super “U” design is stronger than the traditional style round extension arms. All Super “U” Arms and Super “U” Conductor Supports have a load limit of 200 lbs. per wire holder.


WARNING: Nylon straps should be inspected prior to each use for wear, cuts, and degradation from exposure to ultraviolet rays. Suspect straps should be replaced before use.

Additional information

Weight 19 lbs
Dimensions 60 × 10 × 20 in
Wire Holders

1, 2




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