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Two single-pole 30 amp breakers tied together make a two-pole 30 amp breaker. From this you can power a device that requires 220-240 volts, typically.

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Q: What does it mean when you have two 30 amp breakers linked together?
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What is the Colour code system for screw in fuses and breakers?

The Answers community requested more information for this question. Please edit your question to include more context.


What size cable is required for 220 v with twin 30 amp breakers?

#10 wire is used on a 30 amp service.


Have existing a 125 amp main need more breakers spaces?

You can swap a single breaker for two mini breakers or you can add a sub-panel. If you only need a couple of extra circuits then just add mini-breakers.


How do you add circuit breakers to a 200 amp panel that is already full?

You can buy what are called Tandem circuit breakers. These only take up one space but allow you to connect 2 individual circuits to it. For example, say you had 4 - Single pole 20 amp breakers taking up 4 spaces. You could buy 2 - 20 amp Tandem circuit breakers and that would give you 2 additional spaces in your electrical panel. Just add up all your amps that your circuits will be pulling at one time to make sure you won't be overloading your electrical panel. One drawback to these Tandem breakers is that they are rough on your wallet. They are pretty expensive compared to regular breakers. Hope this helps


Can you put 3-15 amp 2- 20 amp 2- 30 amp and 1-60 amp breakers on a 100 amp service?

Yes, the assumption is that when house circuitry is layed out not all appliances will be on at the same time. If for some strange reason they were all loaded up the main breaker would trip. Just keep in mind that the main purpose of all breakers is to protect the wire that is connected to it. Secondally to remove any short circuits that might occur on these wires.

Related questions

What is the Colour code system for screw in fuses and breakers?

The Answers community requested more information for this question. Please edit your question to include more context.


How do you get four twenty amp circuits from two twenty amp circuits?

Remove the two twenty amp breakers from the regular size slot and install two mini amp breakers. A mini amp breaker has two breakers per regular size slot.


What do the difernt colour mean on blade or ceramic type fuses and circuit breakers?

Each color identifies the amp rating, yellow=20 amp, blue=15 amp and so on.


Can a 100 amp main have 2 50 amp breakers?

Yes.Additional InformationBreakers and fuses protect the wires to prevent fire. The 100 Amp breaker in the meter base (main) protects the wire from the meter base to the breaker panel. The 50 Amp breaker in the breaker panel protects the wire from the breaker panel to the outlet. Sometimes the 100 amp main breaker is located in the panel.If you are asking "Can you use two 50 amp breakers for the main breakers with a 100 amp service, then yes you can. The National Electrical Code allows you to use up to 6 breakers as the main overcurrent protection.


How do you hook up a 15 amp breaker to a 60 amp box?

If by "60 amp box" you mean a 60-amp service panel (circuit breakers or fuses), you would generally get a 60-A panel that has several slots designed to accept a variety of compatible breakers, from 15A to 60A. If you have a "box" with no breakers, you would need another "subpanel", with wires from the 60A box to the new subpanel, and install one or more 15A breakers in the subpanel. If you don't need more than one breaker, you might also simply use a 15A disconnect panel with a single breaker in it.


Why are there two 15 amp breakers connected to your 30 amp breaker?

Answer for UK, Europe and countries running a 50 Hz supply service.It is acceptable to connect two 15-amp breakers to a 30-amp supply. It woud also be acceptable in some applications to connect three 15-amp breakers if it were known that the total current would not exceed 30 amps. For example in many UK properties there is a 60-amp supply, and connected to this there are two 30-amp supplies for the ring-circuit and the cooker, plus also a 10-amp lighting supply.


Can you tell the difference between a 15 or 20 amp circuit by the receptacle my box has 10 amps on the breakers and I know there is no such thing?

!0 amp breakers have not been used for quite some time . NEC made 15 amp the minimum requirement for 110/120 VAC circuit breakers a long time ago. If the breakers are only 10 amp, then those outlets can only carry 10 amps max.I would call an electrician. Your electrical service is terribly out of date and, in my opinion, inadequate and unsafe.


Will a 100 amp breaker box work if there are 5 220 amp breakers and 7 110 breakers?

It will if the 100 amp distribution board is a 20 circuit board. Ten spaces for the 240 volt breakers and seven spaces for the 120 volt breakers. There are two types of 100 amp breaker boards, one rated at 100 percent and the other at 80 percent. Depending on what rating on the panel board you are using will govern the maximum amount of current that can be legally drawn from the board. This breaker board rating will also govern the size of the main breaker installed and the wire size to feed the board, either 100 amp wire or 80 amp wire. The second consideration is what are the connected loads to the breakers, with the total of seventeen breakers, the board can only supply as much amperage as the main breaker will allow.


What size cable is required for 220 v with twin 30 amp breakers?

#10 wire is used on a 30 amp service.


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.


Does square D make a circuit breaker with a 15 amp and 20 amp breaker in the same breaker?

No tandem breakers are of the same value.


Can you had a 20 amp breaker on your 70 amp sub-panel that has already 70 amp total on it that consist of one 50 and two 15 amp breakers and the panel has 4 available spaces out of 8?

SeeIf_a_100A_breaker_panel_has_five_15A_breakers_and_four_20A_breakers_could_this_overload_the_panel