How large can an power surge (electrical transient) be?

Issue:

How large can an power surge (electrical transient) be inside an electrical system?

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Environment:

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Resolution:

Electrical industry standards indicate, electrical power surges inside a building can reach levels up to 6,000 volts and 3,000 amperes, which could deliver up to 90 joules of energy.

Released for:Schneider Electric Philippines