Is carrying out tests GFCI outlets next to a flimsy bulb and hitting the try-out button as righteous as using a correct characteristic tester? The tester records increments going up to 30 mA and cuts out...

The tester records increments going up to 30 mA and cuts out at 7mA. Is it requisite to see the exact amperage it disengages at? Also is 30mA enough to do wound to a person?
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Answers:    yes, the experiment button works fine, unless you want to know the exact amperage....as long as the test see it off, it should be fine
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The table lamp bulb will tell you if the outlet is allowing voltage through, but have no way of in fact testing the interrupting aptitude of the outlet at the proper mA rating. Also, 30 mA can cause trouble breathing and intense muscle contractions, but surrounded by most cases is not fatal.