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Jet001 [13]
3 years ago
5

A bare 4 AWG copper conductor installed near the bottom of a concrete foundation or footing that is in direct contact with the e

arth may be used as a grounding electrode when the conductor is at least 20 feet in length is called a _______.
Social Studies
1 answer:
Scilla [17]3 years ago
3 0

Answer:

It is called as

Ufer's ground.

Explanation:

  • Ufer ground is a method of grounding the electrical earth and it was used in World War II. This method is used in dry areas and in concrete foundations.
  • For a 20 ft conductor, a bare 4 AWG copper conductor installed near the bottom of a concrete foundation or footing that is in direct contact with the earth which may be used as grounding electrode.
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