Models DC-1, -10, -20B DC Spark Testers
DC-1, -10, -20B Instruction Manual
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Page 10
possibility of secondary accidents caused by muscular reactions, operators should
be protected against accidental shock. Electrodes are supplied with interlock
switches, and these should not be disabled. The conductor under test should be
grounded. If an operator must inspect the product by touching its surface while
it is being spark tested, he should be electrically insulated from his environment,
and any possible cause of a secondary accident caused by reaction should be
eliminated.
For references, see: Dalziel, Ogden, Abbot, “Effect of Frequency on Let
-Go
Currents,” Transactions of A.I.E.E., Volume 62, December 1
943, and Dalziel,
“Electric Shock Hazard,” I.E.E.E., Spectrum, February 1972.