Q: I would like to purchase a circuit tester for my tool kit, but I’m a little confused. I see three types at the hardware store — a small, cheap-looking tester; one that looks like a pen; and a ...

Q: I would like to purchase a circuit tester for my tool kit, but I’m a little confused. I see three types at the hardware store — a small, cheap-looking tester; one that looks like a pen; and a ...

If a poll was taken to determine what aspect of the hot rod hobby enthusiasts dislike the most, there’s a high likelihood that “diagnosing electrical issues/gremlins” would be the popular answer. An ...

Every electrician has been there: You open a panel, and nothing is marked — or the markings are so outdated, you don’t have confidence in their accuracy. In some ...

A continuity tester, as found on most multimeters today, is a great tool for finding broken connections and short circuits. But once you’ve found a short, it’s up to you to figure out which part of ...

Dealing with old technology can raise interesting challenges. Whereas modern programmable devices can easily be tested in circuit via JTAG or SPI interfaces, older devices do not have this convenience ...

This is a multifunction RJ45 network cable tester. It is the design of the network cable (RJ45) test, and telephone (RJ11). It is cheap and easy to use. It works for network, telephone, cable with ...

Many tools can be used either for good or for evil — it just depends on the person flipping the switch. (And their current level of mischievousness.) We’re giving [Callan] the benefit of the doubt ...

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In the electrical profession, questions still arise about what type of circuit breaker to use with surge protectors. Don't make this task more difficult than it has to be. Choosing the right device is ...