When working on any type of electrical project, whether it's a wall switch, light fixture, receptacle, thermostat or doorbell, you'll need a couple of electrical tools to make the not only easier, but also safer. One such tool is the non-contact voltage detector. While it may sound like this piece of equipment is sophisticated and not accessible to anyone but professional electricians and contractors, surprisingly, it's quite the opposite. Rapid advancements in technology have made it affordable for anyone to own such a device.
You can look online at all the different non-contact voltage detectors and have one shipped at your door within a few days. There are many different brands that supply these devices, and one such is Weidmuller Australia. The Weidmuller Australia non-contact voltage detector brings many benefits when working on an electrical project. However, there are a couple of things you should know before you buy your first detector.
Using it is simple, you just place its tip near a wire or circuit where AC power might be present. If any unwanted electricity is detected, the tip will change colour or illuminate, and some models even provide an audible alert. The typical household voltage levels range from 110-240V, professional models can read up to 1000V. Generally, models you look at will have a maximum and minimum voltage range they can read.
Furthermore, you need to check the detector's CAT rating. Detectors can be CAT III and IV rated. The CAT III rating refers to measurements on equipment in fixed installations, circuit breakers and distribution boards. Other instances include wiring, bus bars, junction boxes, socket outlets, etc. The CAT IV rating refers to testing instruments designed for testing the main supply source, including 120V or 240V underground or overhead lines that deliver power to power detached buildings. In other words, this rating covers the most dangerous, highest level of transient over-voltage.
Then, you have to consider the environment you're going to use it in. The right model for you may not have to put up with the demands of rugged industrial environments, but I personally still prefer using models made out with a heavy-duty, thick plastic construction. Additionally, having a screw cap for easy battery replacement might seem like a small, insignificant detail, but it's far better than having to squeeze or pry the battery cover. Lastly, ensure the detector you pick is tested and approved to DIN EN 61326 and DIN EN 61010-1 standards.
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