While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...
Over the past 18 months, I have been home-testing LED light bulbs that are intended to replace the residential lighting that we all knew and loved — the 60-, 75- and 100-watt incandescent bulbs that ...
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