EH Rated Boots: What's the number?

Electrical Testing Talk Safety and Arc Flash
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I found this online. Did the voltage change?

What it does: EH-rated boots provide secondary protection against accidental contact with an
open electrical circuit. The soles and heels are made of non-conductive materials that resist
electrical current under dry conditions. Under ASTM F2413 testing, the sole assembly must
withstand 18,000 volts for one minute with no current flow exceeding 1 milliamp.

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Electrical Hazard [ASTM F2413 or F2892-18] - Constructed or manufactured with electric shock-resisting soles and heels capable of withstanding an application of 18,000 volts (root mean square (RMS) value) at 60 Hz for 1 minute, with no current flow or current leakage in excess of 1.0 milliamperes under dry conditions.

Prior to 2011 it was 14,000 volts. I believe it was revised to match the CSA standard. This page from Red Wing still shows the prior differences under Electric Shock Resistance Requirement: Red Wing Safety and Industry : Safety Requirements - Puncture Resistant Boots, ESD Shoes

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