why electrical outlet does not work?
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Detail of a Blown Fuse Pro tip: In most cases, a tripped circuit breaker is caused by a temporary overload on the circuit or a short circuit in some device plugged into the circuit. But in rare cases, a loose wire in an electrical box could be causing the problem.
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Check to see if the fuse has been blown or if the circuit breaker has been tripped and ensure they're turned on and functioning correctly. It's common with older homes to have circuits become overloaded if the air con shares a circuit with other appliances such as fridges, microwaves or irons.
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These have only two wires running through them: a hot wire and a neutral wire. Two prong outlets are not grounded, which can leave you unprotected from stray currents and result in electrocution or a power surge through sensitive electronics, often destroying them in the process.
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The AC unit won't turn on Usually when the outdoor unit doesn't turn on, it is because the circuit breaker has been tripped. ... If you find that the AC unit still does not work, the next probable cause is the thermostat. A non-responsive thermostat will fail to communicate with the rest of the central air system.
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If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.
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A dead adapter is one of the most common reasons your laptop isn't charging. Check whether the charging port is making a good connection with the adapter and charging brick. Also, the plug that goes into the laptop might be worn out from use. Check the power jack on the laptop.
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There may be a thermal fuse buried under the outer layers of the transformer which may have blown. ... As above, you may find bad connections or a blown fuse or thermal fuse inside the adapter but the most common problems are with the cable. Switching Power Supply.
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Click on Network adapter and then go to Power management. c. Make sure “Allow computer to turn off this device” is unchecked. ... Restart the computer and check the issue.
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The electric wiring could have a short, the breaker may have tripped, or the light switch may be bad. If the breaker is okay, then the light switch is the next likely suspect. Most switches stay in service for several years but may need occasional replacement.
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Faulty Appliances When an appliance has damaged circuitry, frayed wiring, or broken cords, electrical currents become unstable. When you plug one in, the unstable electricity can ruin your appliance, as well as shock you. Always check your appliances before plugging them in!
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A sparking electrical outlet may indicate a short circuit, water exposure or aged equipment. Sometimes it's normal, and sometimes it's an indicator that there's something wrong with the outlet. Here's what you need to know about electrical outlets, why they spark and when it's time to call an electrician.
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Two prong outlets are not grounded, which can leave you unprotected from stray currents and result in electrocution or a power surge through sensitive electronics, often destroying them in the process.
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Electrical devices are designed to either not use ground, or to use ground as a reference. There should be no significant current flow through ground. Getting back to the original question, a surge protector MIGHT work without a ground, depending on the design.
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When a ceiling fan doesn't work at all, the first thing to do is to make sure it is receiving electrical power from its switch and from your home's circuit breaker or fuse box. First check the circuit breaker or fuse, then the switch. ... This is also where you turn off the circuit before you work on the fan.
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If your ceiling fan stopped working or is not turning on, it could be because it isn't receiving any electricity. This could be because the circuit breaker has tripped or is off. Check your panel to confirm this. If the circuit breaker works fine, it could be a problem with loose wiring and connections.
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The AC unit won't turn on Usually when the outdoor unit doesn't turn on, it is because the circuit breaker has been tripped. When this happens, you can easily reset it after locating the circuit breaker panel. If you find that the AC unit still does not work, the next probable cause is the thermostat.
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When you plug things into the outlet in your house, you don't get DC. Household outlets are AC - Alternating Current. This current has a frequency of 50 to 60 Hz and would look something like this (if you plotted current as a function of time). ...