Ramblin Rob
DIY
Hello,
Newbie to this forum here in the U.S.
My 1970's house has a main/sole electric panel with a dedicated 20A circuit breaker for the furnace.
In the next room, 20 feet away, there is a small junction box with a switch and 15A type T fuse controlling the furnace.
I'm guessing the switch box is there right next to the furnace for convenience and possibly a code requirement.
In the one year I've lived in this house I've never needed to replace this fuse.
But now I'm thinking I either need to keep a spare 15A T fuse on hand for when it someday blows, or possibly upgrade this switch box to a circuit breaker type technology.
The furnace itself is fairly old and will likely need replacing in the next 5 years or so.
What are my options? What is the best recommended practice in this situation? Why is this switch and fuse even here?
Newbie to this forum here in the U.S.
My 1970's house has a main/sole electric panel with a dedicated 20A circuit breaker for the furnace.
In the next room, 20 feet away, there is a small junction box with a switch and 15A type T fuse controlling the furnace.
I'm guessing the switch box is there right next to the furnace for convenience and possibly a code requirement.
In the one year I've lived in this house I've never needed to replace this fuse.
But now I'm thinking I either need to keep a spare 15A T fuse on hand for when it someday blows, or possibly upgrade this switch box to a circuit breaker type technology.
The furnace itself is fairly old and will likely need replacing in the next 5 years or so.
What are my options? What is the best recommended practice in this situation? Why is this switch and fuse even here?
![[ElectriciansForums.net] Should I upgrade a fuse switch box for my furnace?](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/61/61428-dc7e7a3689860a47c5d36f0bf9072831.jpg)
