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They can avert electrical fires in case of fuse boxes and many modern circuit breakers can stop people from being seriously electrocuted

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Q: Why are fuse boxes or curcuit breakers good safety features in houses?
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What does linear mean in geography?

I think it means that all the houses are around one road on each side, they are on one side for safety.


Do you have to pin breakers together when sharing the neutral on branch circuits?

Pinning breakers is becoming a thing of the past. This is due to the manufacturing of two pole breakers with one common trip reset handle. The electrical code states that on a 240 volt breaker if one leg trips the other leg must be disconnected from the supply also. This is a safety factor so that if they weren't tied together and one leg tripped the other half of the breaker would remain "hot". Any one working on that circuit in the tripped position could get a nasty shock from the un-tripped leg. Pinning the breakers on 240 volts was done because it was convenient to use single pole breakers in the distribution panel. To abide by the code the two single pole breakers were common tied together. When the branch circuits share a neutral to a common box they have to be common tied for the same reason above. This type of circuit is found on kitchen counter receptacles. Two separate circuits that share a neutral and go to separate junction boxes do not need the breakers tied.


Where can you find a general switch type GDP 200 amp breaker?

Any electrical supplier should be able to get that for you. Check you local Yellow Pages for electrical suppliers. <<>> A GDP 200 is an older type breaker that was manufactured by General Switch. It had a 10KAIC (interruption capacity). This type of distribution panel was used 40 to 50 years ago. The main breaker is almost next to non existent. The main breakers were manufactured by a different company and General Switch used them in their panels. You might look on EBay under electrical breakers. The original branch circuit breakers are also hard to find but some different brands will fit. There are some sites on the net that refurbish old breakers for your type of scenario. Safety wise it is not a good idea to mix and match breakers. You might want to consider budgeting for a distribution panel change.


Where can one purchase a circuit breaker panel?

An electrical contractor or electrician would definitely be competent to help with that repair. The handyman laws in some states allow a handyman to perform minor repairs such as replacing a circuit breaker. It's a simple process, you just have to make certain that you shut down the power so nobody gets electrocuted. Replacing a circuit breaker is not a minor repair, NFPA 70E - Standard for Electrical Safety in the Workplace as well as the National Electrical Code state that only a qualified person can do electrical work. A qualified person is "One who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved."


Is it possible to overload a panel with too many duplex breakers?

YES.By duplex breaker, you mean 'tandem breaker', a special breaker designed to allow you to get more circuits into a panel that is full or almost full.You most likely have a 'CTL' type panel in your home.You MUST use 'CTL' breakers, or CTL tandem breakers in that panel. By design, if you look at the bus bars that your breakers snap onto, the upper 60 percent or so is different than the lower 40 percent.The lower bus bars are designed differently so that you cannot install tandem breakers in a certain number of spaces. This prevents you from overloading the panel.Most people at Lowe's and Home Depot do not know this and will give you anything to put into your panel. DON'T! If the CTL tandem doesn't fit, it's not supposed to. Do NOT go back to the store to get a different breaker because that one didn't fit.Call an electrician to install a larger service and panel with more capacity. Installing non-CTL breakers to cirvumvent the safety feature can cause your house to burn down.It costs more to rebuild your home due to electrical fire, than it would have cost to have the job done right by a professional electrician.The above answer is correct, but I would like to add there are some States that do not allow tandem breakers.

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Do you use 20 amp breakers from your house to feed 20 amp breakers in your garage panel?

You should read your local electrical code or consult a local electrician. The rules are there for your safety and the safety of the people who will buy your house later.


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The 1950 Ford cars did not have many safety features, like we do today, in place. The cars and trucks did have safety belts.


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There are many safety features one would want on an infant car seat. Examples of safety features one would want on an infant car seat includes a high-tech safety belt and a safety harness.


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