Bare Nichrome Wire – 0.91 mm Diameter (20 SWG), 125 g Reel

This Bare Nichrome Wire is supplied on a 125 g reel and manufactured to a 0.91 mm diameter, equivalent to 20 SWG (Standard Wire Gauge). Strong, heat‑resistant, and corrosion‑resistant, nichrome wire is ideal for high‑temperature applications such as heating elements, resistance experiments, and demonstrations involving thermal effects. Its stable resistance properties make it an excellent material for physics investigations and controlled heating tasks.

The bare wire format ensures reliable electrical performance and easy connection to terminals, crocodile clips, and coil‑winding setups, making it a versatile addition to any school science laboratory.

Key Features

• 125 g reel of bare nichrome wire
• 0.91 mm diameter (20 SWG)
• Excellent heat resistance and corrosion resistance
• Provides stable, predictable electrical resistance
• Suitable for heating elements, resistance coils, and thermal demonstrations
• Easy to shape, wind, and connect in experimental setups

Ideal for School Science Lessons

Perfect for KS3–KS5 physics, this nichrome wire supports hands‑on investigations such as:

• Constructing heating coils and simple heating elements
• Demonstrating the effect of resistance on current and temperature
• Exploring Ohm’s law, resistivity, and temperature dependence of conductors
• Comparing different wire materials and gauges in circuit experiments

A reliable, essential resource for any physics laboratory focusing on electricity, resistance, and heat generation.