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Nichrome Bare Wire 20 Swg

Nichrome Bare Wire 20 Swg

Product Code : JA-EE-7625

Nichrome Bare Wire 20 Swg (SKU JA-EE-7625) is bare nichrome (nickel-chromium) wire of 0.90 mm diameter, nearest 20 SWG, supplied at 125 g. Nichrome has a much higher resistivity than copper and withstands being run hot, so a 20 SWG length makes a practical heating coil for Joule heating and calorimetry work as well as a sample for resistance comparisons. JaincoLab supplies this 20 SWG nichrome wire to school and college physics laboratories.

Specifications

Nichrome Bare Wire 20 Swg is listed as bare nichrome wire, 0.90 mm in diameter (20 nearest SWG), supplied at 125 g; other details such as reel format are confirmed on the quotation.

ProductNichrome Bare Wire 20 Swg
SKUJA-EE-7625
MaterialNichrome (nickel-chromium), bare
Diameter0.90 mm (nearest 20 SWG)
Supply125 g

Heating and resistance experiments with 20 SWG nichrome

In physics practicals, 20 SWG nichrome wire is wound into heating coils that warm water in a calorimeter so students can relate electrical energy supplied to heat produced, and it is used to show the heating effect of current and to compare the resistance of nichrome with copper and eureka wires.

  • Heating coils for Joule heating and calorimetry experiments
  • Demonstrating the heating effect of an electric current
  • Comparing the resistance of nichrome with copper and eureka
  • Replacement heating wire for teaching apparatus

Scope of supply and ordering

Supplied as bare nichrome wire, 0.90 mm in diameter (nearest 20 SWG), 125 g. Other nichrome gauges, resistance wires and calorimeters are separate listings. Accessories, spares and quantities are confirmed on the quotation.

Minimum order quantity, lead time and packing are confirmed on each quotation according to the quantity and the delivery destination. JaincoLab supplies nichrome wire to schools, colleges and education projects in small or bulk quantities, and exports to Africa, the Middle East and South and South-East Asia.

Frequently asked questions

What diameter is Nichrome Bare Wire 20 Swg?
It is 0.90 mm in diameter, the nearest size to 20 SWG, supplied at 125 g.

Why is nichrome used for heating coils?
Nichrome has a high resistivity and withstands high temperatures, so a coil of it heats up well without failing.

Which other nichrome gauges are listed?
Nichrome bare wire is also listed in 18, 22, 24, 26, 28, 30 and 32 SWG.

Related products

All resistance and heating wires are listed in Electricity Equipment from JaincoLab, a physics lab equipment manufacturer in India.

Request a quote

To order Nichrome Bare Wire 20 Swg, send the quantity and the delivery destination through the JaincoLab contact page or email [email protected]. Tender and project enquiries can be sent through the tenders page.

Last updated: September 2026

   
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Office Address

Jain Scientific Suppliers
2475-84, Hargolal Road,
Ambala Cantt, Haryana, India

[email protected]

+91-85699-09696

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