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Magnet Wire, Formvar Copper Wire, 42 AWG Heavy Build - 5 Spool Sizes

$13.98 - $233.25
(4 reviews) Write a Review
Wire Size:
42 AWG
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Heavy Formvar magnet wire is copper wire with a thin layer of insulation, and is used mainly in winding guitar pickups. Raw copper is drawn to meet specific size requirements based on the National Electrical Manufacturer's Association (NEMA) standards. This magnet wire meets the NEMA MW-15-C standard for operating temperature (105°C/211°F) and insulation makeup. The insulation is made from a Heavy Formvar enamel, and protects the coiled wire from short-circuiting.


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  • Wire Type: Heavy Formvar Copper Wire
  • Diameter:  0.0029"
  • Color: Amber
  • Insulation: Heavy Formvar
  • NEMA Description: MW-15-C
  • Build: Heavy Min-Nom
  • Temperature Rating: 105°C (221°F)

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  • 0.125 lb / 6200' (42 HFVP.125)
  • 0.25 lb / 12400' (42 HFVP.25)
  • 0.5 lb / 24800' (42 HFVP.5)
  • 1.0 lb / 49600' (42 HFVP)
  • 5.0 lb / 248000' (42 HFV)

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4 Reviews Hide Reviews Show Reviews

  • 5
    42 g formvar

    Posted by brian wenz on Apr 20th 2020

    great!

  • 5
    Awesome for bass pickups

    Posted by Eunwoo Choi on Jan 4th 2020

    Used the wire for making bass pickups. It worked perfect for this project and my pickups sound awesome.

  • 5
    42AWG Formvar

    Posted by Rod on Sep 5th 2019

    Good stuff. Strong, allows you to wrap tight.

  • 5
    Customer Service

    Posted by Rocco Guitars on May 6th 2019

    We received a damaged spook of magnet wire. Called Remington and had a replacement in a couple days. Very responsive and professional.