Piggyback Fuse Holders SAFE OR NOT? Auto electrics bench test - by VOGMAN

Piggyback Fuse Holders bench / safety test : I’m looking at the Piggyback Fuse Holder to determine if it’s safe to use. Can they be fitted the wrong way? Can they blow existing fuses? Do they draw an imbalance of current from original fuses? Must they never exceed a certain rating? These and other questions will be answered here as I perform a series of bench tests on this electrical component to test its suitability for safe vehicle use.

Piggyback Fuse Holders are commonly used in vehicles to add a circuit within the fusebox. But are they safe? People question if they are reliable or even dangerous. Probably the most commonly asked question is, can they be fitted the wrong way - and if so, what happens?

I've already added an instructional video to YouTube showing people how they can safely add a fused circuit to their vehicle using a piggyback fuse holder which you can see here -
▶ https://bit.ly/3AvWHZt

But people still have concerns and questions and these I have tried my best to answer in this video.

SAFETY CONCERN - CIRCUIT OVERLOAD...
The purpose of this video is purely to test the functionality of the Piggyback and its suitability for purpose. One thing I don't cover well in this video is the safety concern that faces every electrical extension scenario and that's overloading. Just because you CAN add more outlets, whether domestically or in a vehicle, it doesn't follow that you should. It's possible to overload the original wiring, regardless of fuses. This can result in electrical fires...
Please see my video dedicated to the subject - here https://youtu.be/hvi-Xv9wFOI

http://www.vegoilguy.co.uk/piggyback-safe-or-not.php

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