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If main breaker faulted will you lose power in half your house?
Wiki User
∙ 14y ago
Yes. Houses are wired with two incoming "hot" wires, each providing about 110 volts to allow for a total of 220 volts for ovens, clothes driers and any other devices requiring higher voltage. Most of the house - plugs, lights, dishwashers, etc - runs on 110 volts.
In any case, one side of the incoming power can "blow" without affecting the other side, so that you will lose half the devices without losing the other half. This can happen within the breaker box of the residence, or can be an external problem in the transformer supplying the residence with power. In the first case, it is your problem to correct, but in the second case, the electricity supplier needs to be contacted to repair their equipment.
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The above paragraph is not quite true. On any two pole breakers, mains or branch circuits, a trip on either leg of the breaker will shut the other leg off as well. This is the design of two pole breakers so that one leg does not stay hot.
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What is breaker and a half?
one and a half breaker scheme the same as N-1 scheme. means if you have two BUS you 3 breakers each bay between it protecting your 2 connected loads or transmission lines. meaning if fault detected in a particular line only two breakers will trip isolating the faulted line and will not affect the adjacent line or load.
If you blew a fuse in your house but the breaker does not show a blown fuse you still have no power to half your house what next?
If it is half the house, that implies the main breaker or the line coming in. Sometimes, double breakers will trip one of them and not the other. It looks like it is still on. Try flipping the breaker off and back on. If you feel comfortable doing it, open up the panel and check each breaker to see if current is getting through them. Just a two prong test light will tell you this. Start on the main, it may be that one of the lines coming in is dead. Looking at the question, you blew a fuse but the breaker does not show a blown fuse. You shouldn't have both in the same circuit. If you have screw in fuses there should be 2 large Buss fuses at the top of the panel. One of these could be blown. These have to be checked with a tester, there is no way to tell just by looking.
Can you use two 15 amp single pole breakers in place of a double pole 30 amp breaker?
Yes. An everyday occurrence of this circuitry is in your kitchen counter split receptacles. The top half of the receptacle is a 15 amp circuit and from the same breaker the bottom half of the receptacle is another 15 amp circuit. A two pole single handle breaker is a common trip. If one of the circuits fed from the breaker faults the other connected circuit will shut off also. If you are talking about slot position in a breaker panel, you can remove the two pole breaker and install two single pole breakers.
What is the contract breaker points setting for a Nissan 1400 pick-up?
.020 or half the spark plug gag.
What would cause everything on the top half of a 50 amp breaker box in a travel trailer to have power but the bottom half of the 50 amp breaker have no power and not trip the breaker?
Answer for USA, Canada and countries running a 60 Hertz supply service.Most likely it's a poor connection between the feed cable and either the meter base or the breaker panel. You cannot legally work on a sealed meter base but if you have a "shutoff" at the meter base, turn off power to the breaker panel, verify that there is no power at the panel then tighten the connections inside the breaker panel.If that doesn't solve the problem, contact a qualified electrician.To amplify a bit, your breaker box is split into two parts each fed by one of two legs of a 230/240 VAC main supply. There will be three wires and a ground feeding the box. The white wire is neutral and Black is one side of the 230/240 VAC circuit and red is typically the other. Working on a main panel is very dangerous so calling an electrician is a great idea. If your house was fed with aluminum cable it tends to creep over time and the main screw connecting the wire to the bus bar tends to be loose. There is usually a compound use to stop oxidation when aluminum wire is used. You CANNOT just tighten this wire because it is LIVE. One of the possibilities is that some older panels may be fed from a fused disconnect box where there is a cartridge fuse on each of the two "hot" legs. The disconnect handle, when turned off, will remove power from each side of the fuses so they can be replaced.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energizedIF YOU ARE NOT REALLY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
What is breaker and a half?
one and a half breaker scheme the same as N-1 scheme. means if you have two BUS you 3 breakers each bay between it protecting your 2 connected loads or transmission lines. meaning if fault detected in a particular line only two breakers will trip isolating the faulted line and will not affect the adjacent line or load.
Why does Half of the electrical box works other half doesn't?
One side of main breaker is broke. One line to the house is open.
What is one and half breaker system in electrical lines?
One and half breaker system is an improvement on the double breaker system to effect saving in the number of circuit breakers. For every 2 circuits, 1 spare breaker is provided: Two feeders are fed from two buses via their associated circuit breakers and these two feeders are coupled by a third circuit breaker which is called tie breaker. During failure of any of the two feeder breakers, the power is fed via the breaker of the second feeder and main breaker (tie breaker).
If you blew a fuse in your house but the breaker does not show a blown fuse you still have no power to half your house what next?
If it is half the house, that implies the main breaker or the line coming in. Sometimes, double breakers will trip one of them and not the other. It looks like it is still on. Try flipping the breaker off and back on. If you feel comfortable doing it, open up the panel and check each breaker to see if current is getting through them. Just a two prong test light will tell you this. Start on the main, it may be that one of the lines coming in is dead. Looking at the question, you blew a fuse but the breaker does not show a blown fuse. You shouldn't have both in the same circuit. If you have screw in fuses there should be 2 large Buss fuses at the top of the panel. One of these could be blown. These have to be checked with a tester, there is no way to tell just by looking.
What is The Majority in government?
The party in power holds at least half of the seats in the House of Commons
What is the take up on a half-inch breaker?
do you mean bender? If so, 5"
How long of a lunch break did a coal breaker get?
half an hour till Christmas
Why does half of my house have electricity and the other half doesn't with no circuit breakers poped?
as an electrician i would first check the main breaker with a rated voltage tester for voltage i would first ckeck the meter side by placing one tester lead on one of incoming phases or wire and place second lead on the other phase or other wire. i should read 240, or 230, or 220 volts depending on where the taps are in the transformer. if not call the power company. if it does read any of them voltages i would then check the load side of the main breaker by putting my leads on one breaker and the one right below it generally every other breaker is a different phase again i should read 240 volts or close. if not the main breaker may be bad. if you know what breaker or circuit its on you could test it by placing one lead on the screw where the wire is and the other on the neutral or ground bar here you should read 120 volts or close if not breaker is bad. it maybe as easy as tightening the screw or screws so shut the breaker off first and then tighten.
What is the ISBN of The Power of Half?
The ISBN of The Power of Half is 0547394543.
How do you use power in a sentence involving electricity?
I lost all power in my house during the thunderstorm. The power went out at 7 a.m. and was not restored until midnight. I had power to half of my house, so the electric company advised me to check the fuses or breakers. The power cord would not fit into the electrical outlet so I needed an adapter for the plug.
Can you use two 15 amp single pole breakers in place of a double pole 30 amp breaker?
Yes. An everyday occurrence of this circuitry is in your kitchen counter split receptacles. The top half of the receptacle is a 15 amp circuit and from the same breaker the bottom half of the receptacle is another 15 amp circuit. A two pole single handle breaker is a common trip. If one of the circuits fed from the breaker faults the other connected circuit will shut off also. If you are talking about slot position in a breaker panel, you can remove the two pole breaker and install two single pole breakers.
What is X to the power of a half times x to the power of a half?
x
