# Your question: Which side of a car fuse is positive?

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## Is there a negative and positive on a fuse?

Fuse holders don’t have positive/negative polarity. They are placed between one side of the power source and the load. With that holder, the power source would be connected to the end terminal and the load would be connected to the side terminal.

## Does it matter which way a fuse goes in a car?

It doesn’t matter which end of the fuse holder gets used for going to the battery and which goes to the jack. Fuses don’t require current to flow through them in a certain direction so either way is fine. But typically line is the side that the power comes in on and load is the power going out.

## Which is the load side of a fuse?

The load side is where the power leaves the device (or electrical box) and travels down the circuit.

## Can a fuse be put in backwards?

If you install it backwards, the fuse for the original circuit will supply power to both circuits, and then the power for the additional circuit will flow through fuse 2. Inserted backwards, both circuits are limited to the rating of fuse 1 (original circuit fuse).

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## Why fuse is positive and negative?

It is not necessary to fuse both positive and negative leads of the supply. A single fuse will break the circuit sufficiently. … Even if you put a fuse in the negative lead and this blows, the positive fuse will most likely still be intact, and the leakage current will be able to come from the positive output.

## Is fuse directional?

Fuses are directional in the sense that one direction will be referred over the other sound quality wise all things being equal. This is true even for fuses in AC circuits.

## What does line side mean?

In other words, the line side is the side of the network to which users connect in order to access the network core, or backbone. The line side is synonymous with the local loop access circuits, with the demarcation point being the local loop interface at the CO.

## What is the load side of a GFCI?

The “line” wires are the incoming power from the breaker box and the “load” wires are the outgoing power that travels down the circuit to the next outlet.

## How do you wire up a fuse box in a car?

If you are connecting a true automotive accessory, wiring the device is relatively straightforward. Just connect and crimp the power wire from the accessory to the fuse tap, plug the fuse tap into an open slot on the fuse panel, and then secure the ground wire from the accessory to a grounding screw.