15 Amps is the lowest a breaker goes in a residential home. Manufacturers don't make them any smaller.
The symbol for a home run on a breaker is a box with the number "4" inside it.
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The biggest circuit breaker in any home is the main breaker located in your main breaker panel that is installed where your electrical service cable comes into your home.
If you have a burned circuit breaker in your home, it is important to turn off the power to that circuit immediately and contact a licensed electrician to inspect and replace the damaged breaker. Do not attempt to fix or replace the breaker yourself as it can be dangerous.
In North America the smallest size breaker found in a home distribution panel is rated at 15 amps
Common signs of a bad breaker in a home electrical system include frequent tripping, a burning smell, visible damage or corrosion on the breaker, and flickering or dimming lights.
Signs of a bad circuit breaker in a home electrical system include frequent tripping, a burning smell, visible damage or corrosion on the breaker, and flickering or dimming lights.
A breaker can be either on or off, there is nothing in between. If it does not pass current properly it is faulty.
12/2 wire with a 20 amp breaker for normal home wiring.
The largest 2 pole breaker typically available for residential use is a 200 amp breaker. This breaker is commonly used for main electrical panels to provide power to the entire home.
The breaker panels are exactly the same as ones in regular houses. To re-set a breaker, you turn it fully OFF, then to fully ON and it should work.
You can find instruction on how to replace your own residental windows from many sources. You can get instructions from Home Depot or the website HomeGuides.