NESCO Heavy-Duty Universal Extension Arm

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

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Product Information

NESCO Manufactured Products Heavy-Duty Universal Extension Arm

The New Standard Heavy-Duty Universal Extension Arm - With a working load-rating of 300lbs per wire holder, and some of the largest standard wire holder forks in the industry, there is almost no job that this tool can’t tackle. The NL3489U and NL3490U universal extension arms can do it all and will last far longer than any other tool on the market. Built to meet or exceed all applicable ASTM and OSHA standards, including F711.

OEM Product Codes: NL3489U, NL3490U


  • 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-feet 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 Universal Extension Arm Options

Product Code Description
NL3489U HD Universal Extension Arm w/o Insulators 6'x2.5"
NL3490U HD Universal Extension Arm w/ Insulators 6'x2.5"

Other Extension Arm Options

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

Product Code NL34U
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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