License: Creative Commons<\/a>
\n<\/p>

\n<\/p><\/div>"}. Put on a pair of rubber-soled shoes and make sure the area around the circuit box is dry. If the fuse is blown, the meter will not read anything at all, or the meter may say “Open Loop” or "OL." Before you test a fuse with a multimeter, turn off the equipment and remove the fuse by pulling it straight out of its slot. This article has been viewed 712,848 times. To test a fuse simply touch one lead to each of the electrical contacts on the fuse; if the light bulb lights up the fuse is good. If the fuse is bad, only one side will illuminate the test light. We use cookies to make wikiHow great. Plug fuses are common fuses used in a home's fuse panel. Fuses provide protection against overloading, short circuits, or device load, etc. A multimeter again has two leads just like a continuity tester. If too much power runs through the fuse, it will "burn out," quite literally, and open the circuit, preventing the current from flowing through the circuit. If the appliance suddenly stops working, it is worth replacing the fuse inside the plug before calling an electrician.To find out the correct type of fuse to fit in the plug, check the rating plate on the appliance. If you want to use the meter as an ammeter, keep reading! They control the amount of amperage to the circuit it connects to. Plug fuses have a metal alloy ribbon inside that carries the current of the circuit. How To Test A Fuse Using A Multimeter? Testing a Fuse With a Multimeter. Touch the probes to both end of the fuse. First, you need to know what fuses are and just exactly what they are designed to do. Smaller and newer buildings have the cylindrical fuse which has some sensitive links at its ends, wrapped with copper or any other type of conducting material. Touch the metal caps at each end of the fuse with the metal tips of the testing leads. It mimics the shape of the fuse and snaps over the fuse for easy removal. Household installations these days shouldn't really be protected by just fuses. What is the acceptable level of ohms for a fuse to be considered good? When the circuit in your home quits working, and you suspect that it is likely a blown fuse, you can test that theory by using a multi-meter for testing fuses. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Using a volt meter and basic car knowledge you will be able to test all your circuit breakers with relative ease. You should see a voltage reading in the 12-14 volts range. These fuses are used in fuse panels and disconnects for amperages over 30 amps. A ceramic fuse, however, shows no damage upon visual inspection. Many types of fuses allow for visual confirmation that the fuse is still functional. This will measure the resistance of the fuse link, if intact. Your home's electrical wiring must be protected from short circuits and circuit overloads. Plug fuses screw in and come in 15, 20, and 30-amp ratings. Step 1. ", "I wasn't sure how to test my household's cylindrical fuses, you showed my how. Prepare the Multimeter. These fuses supply the branch circuits in your home to run lights, outlets, and appliances. The best way to test for a blown fuse is by using a voltmeter. Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. Turn the meter to ohms, then touch the positive and negative leads together and check the reading. Modern circuit breakers and protective devices are fuse-less and much safer. Testing the fuse using a multimeter Locate the terminals. This is because the blown fuse allows there to be a voltage differential between the two sides. Well, your circuit is putting out too much power for your multimeter to read. This article was co-authored by Ricardo Mitchell. While resetting it, the tripped breaker clicks as you … Put your key in the … How To Check a Fuse Box How To Replace a Fuse.

My Heart Is Full Quotes, Buzzfeed Video Series, Edgar Mitchell Aliens, 2a10bc Fire Extinguisher White, Daniel Tay Malaysia, Spiritual Meaning Of Nazareth,