Heating Element Guidance
The following calculations give a guide to selecting an electrical resistance wire for your application
All information is given for guidance purposes only. For specific heating element or resistor design please consult a qualified electrical design engineer.
- Overview – heating element guidance and calculation
An introduction to electrical resistance of flat and round wire, a calculation of element resistance and a temperature-resistance table for 80/20 NiCr.
Also includes downloadable spreadsheet for guidelines - Surface area loading
Heating element for a variety of applications and a guide to the appliance, element type and suggested surface loading range - Round wire heating elements
A guide to calculations necessary for calculating element resistance for a variety of applications - Coiled or spiral elements
A table and diagrams allowing the user to locate the most suited round wire and diameter to form a close wound coil - Flat wire heating elements
Calculations and examples for flat wire elements - Conversion factors
Conversions between imperial and metric - Ohms law
An overview, diagram and calculation reminders
