Readings to be taken in testing fuses when power is turned off.
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Readings to be taken in testing fuses when power is turned off.
Readings to be taken in testing fuses when power is turned off.
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Explanation:
Testing for a Blown Fuse
Testing for a Blown FuseHow to test a fuse with a multimeter
Testing for a Blown FuseHow to test a fuse with a multimeterWhilst it is easy to visually inspect the element in a glass fuse to see if it has blown, the majority of fuses have solid, non-transparent bodies that hide the element from view. To test if the fuse is blown, we require a multimeter. Once configured, a multimeter can measure the resistance of the fuse element. Resistance is measured in Ohms 'Ω'. The following tutorial uses a digital multimeter, however the same principles apply when using an analogue multimeter (ie. one with a needle display). If you are using an analogue meter, firstly read the tutorial and then refer to the additional notes at the end.