NSF EUV ERC

NSF Engineering Research Center
for Extreme Ultraviolet (EUV) Science and Technology

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High Voltage Safety Test

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#1 How many times do you need to discharge equipment before it is safe to touch?
#2 If a capacitor has a bleed off resistor, do you need to discharge it manually?
#3 What is wrong with this picture?
#4 Are we more sensitive to ac or dc current?
#5 What is the worst voltage frequency for the human body?
#6 Is it safe to leave a high voltage capacitor "un-shorted" after it is removed from equipment?
#7 Should you touch a HV circuit with the front, or the back of your hand first, after discharging a circuit?
#8 Do you need to worry about potentially lethal shocks from a less than 50V supply?
#9 Is there any situation in which you should work with high voltage alone?
#10 Do you have to be touching ground directly to conduct electricity?
© 2005 Colorado State University
This work is supported primarily by the Engineering Research Centers Program of the National Science Foundation under NSF Award Number EEC-0310717. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not reflect those of the National Science Foundation.
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