Earthing & LPS
Earthing Calculator
Electrode resistance and conductor sizing checks for earthing systems.
Calculation engine in preparation
This calculator page is live and its inputs, results and export actions are being finalised. Formula notes and references below already apply.
Applicable references
Bangladesh National Building Code
National building code covering electrical installations, safety and building services requirements in Bangladesh.
National Electrical Code
Widely adopted code for safe electrical design, installation and inspection practice.
Source
Formula notes
- Measured resistance on site takes precedence over any estimated value.
Frequently asked questions
- What affects earth electrode resistance?
- Soil resistivity, electrode length and diameter, electrode arrangement and moisture conditions all affect the measured resistance.