Bare Nichrome Wire – 30 SWG (0.31mm), 125g Reel

This premium-quality Bare Nichrome Wire is supplied on a 125g reel and manufactured at 30 SWG (0.31mm diameter). Known for its excellent resistance and heat tolerance, it is widely used in school science laboratories for physics and electronics experiments. Lightweight, flexible, and highly durable, this wire is ideal for repeated practical work across a range of curriculum topics.

Key Features

• 30 SWG (0.31mm diameter) Nichrome wire
• Convenient 125g reel for easy handling
• High electrical resistance for controlled heating demonstrations
• Excellent thermal durability for repeated classroom use
• Suitable for physics, electronics, and STEM investigations
• Easy to cut, shape, and attach to apparatus

Ideal for School Science Lessons

Perfect for KS3, GCSE, and A-Level science lessons, this Nichrome wire is an essential resource for experiments involving electrical resistance and the heating effect of current. Its thin 30 SWG profile allows for efficient heating at lower currents, making it safe and effective for classroom use.

• Investigating thermal effects of electric current
• Exploring resistance changes with wire length or thickness
• Creating simple resistive loads or heating elements
• Supporting physics experiments on Ohm’s Law and IV characteristics
• Building components for STEM projects, prototypes, and circuits

Lightweight, reliable, and versatile, this 30 SWG Nichrome wire is a valuable addition to any school science laboratory, helping students develop hands‑on understanding of key electrical principles.