There are different levels for new versus maintenance testing, and 100% or 133% insulation.

One chart is http://www.kerite.com/catalog/catalogfiles/DC_field_testing_power.htm

Be Careful. You’re charging up fairly big capacitor(s) in the process. The test-set instruction manual is a good reference.




[This message has been edited by Bjarney (edited 01-25-2003).]