Bare Nichrome Wire – 0.45 mm Diameter (26 SWG), 125 g Reel

This Bare Nichrome Wire is supplied on a 125 g reel and manufactured to a 0.45 mm diameter, equivalent to 26 SWG (Standard Wire Gauge). With excellent heat resistance, oxidation resistance, and stable electrical properties, nichrome wire is ideal for high‑temperature and resistance‑based experiments in school laboratories. Its reliable resistance characteristics make it perfect for constructing heating elements, resistance coils, and for use in demonstrations involving thermal and electrical energy.

The bare finish ensures dependable electrical contact and easy integration with crocodile clips, terminals, and coil‑winding setups, making it a versatile and classroom‑friendly resource.

Key Features

• 125 g reel of bare nichrome wire
• 0.45 mm diameter (26 SWG)
• Excellent thermal and corrosion resistance
• Provides stable electrical resistance ideal for experiments
• Suitable for heating coils, resistance wire investigations, and thermal demonstrations
• Easy to shape, wind, and connect to circuits

Ideal for School Science Lessons

Perfect for KS3–KS5 physics, this nichrome wire supports practical activities such as:

• Building heating elements and small heat‑generating coils
• Demonstrating resistance, Ohm’s law, and wire behaviour under load
• Investigating how wire thickness affects resistance and heat production
• Supporting controlled heating experiments where copper wire is unsuitable

Durable, reliable, and safe for classroom use, this wire is an essential material for electricity and thermal energy investigations.