Posted 08 July 2012 - 10:54 PM
Thank you for reading my request. I think this is a very important skill for the DIYer.
Posted 09 July 2012 - 12:53 AM
and measure the resistance from the power tool case to each of the Line Cord pins.
OR with power applied, and your meter set meter to the lowest milli-amp scale
and read the current from the case to an earth ground, such as the ground terminal of a Wall Outlet.
Some Ground Fault Current Interrupters (GFCI) safety devices trip at about 3ma to 5ma within a few milli-seconds.
Hopefully your power tool should be nowhere near that.
Less than 1/2 milliamp no sensation
1/2 to 2 milliamps Threshold of perception
2 to 10 milliamps muscular contraction
5 to 25 milliamps painful shock (may not be able to let go)
Over 25 milliamps Could be violent muscular contraction
50 to 100 milliamps Ventricular fibrillation
over 100 paralysis of breathing.
That's the reason you should always use GFCI protection with any power tool.
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Posted 12 July 2012 - 08:00 PM
1) What should the ohm readings be?
2) Shouldn't the switch be in the "ON" position?
3) How do you test a plug with 3 prongs and what should the reading be in ohms for the ground prong to the metal of the case with the switch in BOTH the "On and OFF" positions'
Posted 13 July 2012 - 05:56 AM
RegUS, you should probably merge this question with the previous discussion:
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