Question about Electrical Supplies
Since the house was built, the previous owner likely added circuits to finish the basement fluorescent lights in the drop ceiling and wall outlets, but the vast majority were likely there at original house build.
No problem. You would never have a situation where every circuit in the panel was loaded to its max. The panel size itself limits the number of breakers, and total number of circuits. The 150 A breaker protects the box itself against too much load on the buses in the back that the breakers connect to. No worries about this.
Posted on Jun 03, 2017
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Posted on Jan 02, 2017
The total panel ampacity should be rated first by your load, then by the main breaker. if you are feeding it out of another box, it will probably be a double 100amp. In that case you will probably use 100amp SER cable.
Posted on Apr 10, 2009
SOURCE: 15 AMP versus 20 AMP outlet plug
The circuit is protected by the 15 amp breaker. That's what matters, the wire size and the breaker feeding it. It's OK to have a 20 amp recepticle fed by a 15 amp breaker.
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Posted on Sep 11, 2009
Testimonial: "Concise answer"
I would say something a little different than SmithBrother. You said you are putting on an addition and you asked how many outlets can you put on a 20 amp breaker. Because of the date on your comment, it is probably a little late to be replying but whaat the heck ... here goes.
I think there is a rule of thumb that you can put about 12 "holes" in a 15 or 20 amp circuit. A "hole" is a hole in the wall where a box would be put for a outlet or a light or a switch. I presume you know to use #12 wire on a 20 amp circuit and while you may use #14 on a 15 amp circuit, I prefer to shy away from #14 wire even though I MAY protect a given circuit with a 15 amp breaker. You can over protect but not under protect. 30 amp is #10 and so forth.
There are lots of other considerations ... too many to do justice in this short comment. However, I will hit a few hi lites. As SmithBrother says, a micro wave should have its own circuit as should a AC or a frig - I think that may go without sayng. I think you are speaking more general use. I believe the electric code says every wall must have a plug in it and you can go no more than 6 feet to get to a plug. So, if you have a 12 foot wall, one outlet in the middle will meet the requirement. There is nothting preventing you from puttine two outlets in that same wall. From my perspective, I want to have lots of outlets and I want them to be convenient for me to use. (There are more than 200 outlets in my home) Another thing, you cant put a outlete over a electric baseboard heater. You can put one at each end of such a heater but not where a lamp cord would lay in top of the hot heater surface.
Regarding the 12 hole rule ... if you have two switches that control the same light, you only count those two switches as one hole even though, obviously, there are two holes in the wall for the two switches. Count a second hole for the light. Conversely, if there is a light and a fan, you should count that one hole in the ceiling as two.
Posted on Oct 07, 2009
Yes they will fit. They are both a single pole breaker. Turn the breakers over. They should look the same and snap into a single slot in the panel the same.
Not sure what you mean by No Clip? A Square D QO Breaker has a metal clip that snaps into the panel on the breaker mount and one on the Bus Bar.
Posted on Feb 22, 2011
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