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depending upon the type of test being performed as well as the maximum allowable leakage
current. Leakage current measurements are performed on products under normal conditions
and single fault conditions as well as reversed polarity. This simulates possible problems,
which could occur if the product under test is faulted or misused while the product is operating
under high line conditions (110% of the highest input voltage rating of the product).
Line Leakage tests are normally specified as “Type Tests” or “Design Tests” which are
performed during the development of the product. This helps verify that the design is safe but
it does not guarantee the safety of the products being produced on the production line. The
only way to be sure you are shipping safe products is to test each product at the end of the
production line. The user may perform a Leakage Current test along with other common safety
test such as Dielectric Withstand, Insulation Resistance, and Ground Bond on the production
line with a single connection to the device under test.
IF YOU SHOULD HAVE ANY QUESTIONS RELATING TO THE OPERATION OF
YOUR INSTRUMENT CALL 1-800-858-TEST(8378) IN THE U.S.A.
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