Don't risk CAT IV areas without the right leads
Test leads do more than connect a tester to a circuit, they also protect you from potential hazards that you may not even be aware of. This article will explain the various characteristics that affect a test lead's ability to protect you from the dangers inherent in making an electrical measurement.
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You can guess which fuse is bad . . . or try this
You've got a bad fuse in your three-phase disconnect or combination motor starter. With several to pick from, how do you know which one is the culprit? Use these simple troubleshooting methods to find out quickly.
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Choosing the correct fuse for your tester
A fuse is just a fuse. Right? We know a fuse is made to open when a certain level of current is exceeded. This article explains the hidden dangers of making voltage and current measurements with a tester that does not have the fuse protection that was designed into the tester.
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Fluke accessories are now Category IV safety rated
The increased occurrence and levels of transient overvoltages in today's power systems have given rise to more stringent safety standards for electrical measurement equipment. Test equipment must be designed to protect people working in this high-voltage, high-current environment.
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ABCs of multimeter safety
Where safety is a concern, choosing a multimeter is like choosing a motorcycle helmet– if you have a "ten–dollar" head, choose a "ten–dollar" helmet. If you value your head, get a safe helmet. The hazards of motorcycle riding are obvious, but what's the issue with multimeters? As long as you choose a multimeter with a high–enough voltage rating, aren't you safe? Voltage is voltage, isn't it?.
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