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Find the required ground conductor for service entrances and equipment.

The ground conductor section allows you to:
  • Find the grounding electrode conductor for a service entrance, as per NEC table 250-66. You select the largest ungrounded conductor wire gauge, and this app will show you the required ground wire gauge.
  • Find the ground wire gauge for any equipment, conduit, etc. as per NEC table 250-122. You select the overcurrent device's ampacity rating, and this app will show you the required ground wire gauge.
More questions

More Questions?

If you have any additional question or comment, please contact us using our contact form! We'll be glad to answer and question or comment you may have regarding this app!

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Web version

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Mobile app

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What are people saying

What Are People Saying?

A must have for any electrician or engineer. Best Android app of its kind, beats the ElectriCalc and is much cheaper. - Tom, Google Play review

The UI is really friendly, and the amount of configuration options available make it a must buy for any Electrician like myself. - loko08, Google Play review

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