As the name itself implies, cable testers serve to determine the condition of cables so that the user knows whether they are working properly. These pieces of testing equipment are generally handheld and the testing begins with a press of a few buttons, once the device is attached to the cable that requires inspection. It takes a minute or so and then the device provides feedback regarding the condition.

These devices come in very handy when installing electrical connections such as stereo systems, telephone lines, electric guitars and various other devices that rely on cables. Apart from the setup process, these testing instruments should also be used as a way of proper cable maintenance and measure of precaution. There’s no doubt no one is a stranger to cable problems, be it the laptop charger, the TV cable, if a cable hasn’t died on you during your adult life, you need to question whether you’re really alive (chuckles).

Jokes aside, electrical installation issues can be a real danger since not only can it bring about the burn down of the whole installation, but it can also mean unfix-able damage for your precious devices. The occasional check-ups with the proper tester can surely prevent this. I know what you might be thinking now “ Yet another thing to regularly do on the list… sigh” however, bare in mind that you’ll sigh a whole lot more should you fail to prevent the possible damage.

What cable testers actually look for are two types of faults: open and short circuit. The first one means there is an intended connection between two points and the cable won’t work as it is supposed to. The latter means that there is an unintended connection and not only is that cable unable to work properly, but it can damage the devices hooked up to it.

The most common cable tester types are network testers and audio testers. The first kind are used for inspecting telephone and computer cables and other communication related devices. These testing instruments are divided into three specific subcategories of their own: verification (used to determine if the cable is working or not), qualification (used for repairs) and certification testers (used to confirm the cable meets certain industrial standards).

Audio cable testers are used for the process of installation and maintenance of audio cables. They are a must for musicians and sound technicians, especially when it comes to live performances.