First of all, ANSI/ESD S20.20 is not a specification. It’s a process document.
Flooring does not meet S20.20. It meets (or doesn’t meet) the recommended electrical parameters derived from the standard test methods referenced in S20.20.
In fact, S20.20 references not one, but 3 standard test methods:
Floor Materials—Resistive Characterization of Materials. Any flooring material must measure below 1.0 X 10E9 ohms to ground. However, the flooring must also comply with the 2 parameters listed below:
Floor Materials and Footwear—Resistance in Combination with a Person. The recommended maximum system resistance is 3.5 X 10E9.
Floor Materials and Footwear Voltage Measurement in Combination with a Person. The recommended maximum voltage allowed is 100 volts.
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