Electrical testing is an integral part of maintenance, repair, and operations. But making assumptions can turn it lethal. Here are three to avoid. "The test equipment is safe to use.” Before you connect any test equipment, turn it on and see if it appears to operate normally. Then turn it off, verify the settings are correct for the intended test, inspect your test leads (which are easily damaged), and connect the leads one at a time before turning the test equipment back ...
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