ElectricalWoodinville Tip: Why Do I Need to Upgrade my Fuse box?

If your home in Woodinville has a fuse box, it was likely built many years ago. Fuse boxes were used to route electricity throughout your home. Upgrading your fuse box involves replacing it with a new circuit breaker. There are many advantages to replacing your fuse box which we’re going to discuss in this blog post.

How Fuse Boxes Work

The purpose of fuse boxes and circuit breakers is to first route power to your house and second to keep your house from burning down. Electricity produces heat as it passes through the copper wires leading into and out of the fuse box. If the wires get too hot they can start a fire which obviously poses a great danger to you and your family. As electricity flows into each of the circuits for your home, it has to pass through a fuse. Inside the fuse is a thin piece of metal (called a filament) that heats up. If the wire gets too hot it will melt the filament and break the circuit. Once a fuse has melted it can’t be reused.

Insurance and Code Compliance

In many municipalities an old fuse box isn’t within compliance of new building codes. This could also have to do with the old wiring that was most likely installed when the fuse box was. In order to be compliant, you may have to replace your fuse box with a new circuit breaker. However, many new breakers are very sensitive. The old wiring could case the new breaker to trip often which is a nuisance. Additionally, most mortgage insurance companies won’t cover a home that has an old fuse box because of the damage risk. Mortgage insurance is required by many lenders so in this case you will most likely have to replace the fuse box as well.


One of the main reasons to upgrade your fuse box is for safety. It was most likely installed about 50 years ago and is obsolete. If the fuse does melt, it needs to be replaced. Once the fuse is removed it leaves both ends of the contact exposed which can be an electrocution danger.

Power Available Power

When fuse boxes were installed, the electrical demands of a typical home were much less than they are now. Fuse boxes are normally limited to 2 or 4 circuits. Circuit breakers can potentially have room for us to 42 circuits.

If you have any questions about your fuse box or if it is continually breaking fuses, call G&S Heating immediately. We can help you figure out a good option for your home in Woodinville. We take pride in our workmanship and would love you help you get your home working well again.


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