NESCO Heavy-Duty Distribution Extension Arm

NESCO Heavy-Duty Distribution Extension Arm
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Estimated Lead Time: 2 weeks

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Product Information

NESCO Manufactured Products Heavy-Duty Distribution Extension Arm

For our customers that would rather have their extension arms have specific uses, NESCO offers our Heavy-Duty Distribution Extension Arms with a standard-capacity (Distribution) hanger. Built with the same materials and to the same stringent quality standards as our NL3490U Universal Extension Arms, these arms have the highest weight capacity in the industry. Couple that with a durability that is simply unmatched, our arms are by far the most cost-effective solution on the market for re-conductoring and other temporary conductor support applications. NL3490D – Hanger fits crossarms up to 3.75” x 6.25”. Built to meet or exceed all applicable ASTM and OSHA standards, including F711.

OEM Product Codes: NL3489D, NL3490D


  • Strongest fiberglass in the industry
  • Stainless Steel components
  • UHMW Hanger - will not damage arm
  • UHMW End Cap - less overall damage
  • Fits all applications - Universal Arm 
  • Highest load rating of any arm
  • High impact epoxy finish


  • 6-foot with a 2.50” Diameter Thick-Walled Fiberglass
  • Insulating value of 100kV per foot dry, 75kV per foot wet
  • 300lbs per wire holder (600lbs total working load)
  • 34.5kV Insulation Rating when using NLINSU Insulators
  • Standard Package: 1
  • Minimum Order Quantity: 1

Nesco Heavy-Duty Distribution Extension Arm Options

Product Code Description
NL3489D HD Distribution Extension Arm w/o Insulators 6'x2.5"
NL3490D HD Distribution Extension Arm w/ Insulators 6'x2.5"

Other Extension Arm Options

Heavy-Duty Universal Extension Arm and a Heavy-Duty Transmission Extension Arm 

Product Code NL34D
Manufacturer NESCO Specialty Rentals
Stock Level
Condition New
Shipping Weight 12lb
Shipping Dimensions 74.000 x 10.000 x 10.000 in

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