Hot to Neutral should be 240. The voltage on a neutral wire is normally 0V (volts) on a live circuit. Just the testing m in a RV park and used my tester. As with the open hot or neutral, an open ground can be happening at the receptacle itself (or its box) -- \"B\" of the left-hand scenario above -- or else at an outlet \"upstream\": \"A\" of the right-hand one. Contractor's Assistant: How long has this been going on with your outlet? It has three holes: two of the holes are for neutral and hot wire and the third hole in the middle of the outlet serves as a ground wire. If so, reset that GFCI outlet or replace it. Those plug-in testers are pretty cheap -- are you sure it is even rated for 240V? … If your testing hot to ground then make sure to also test hot to neutral. If for example you test a outlet in a room, and the tester shows that you have an open neutral, Then somewhere along the circuit the neutral is not connected properly. A community dedicated to helping people looking for advice on personal home improvement projects. You cant feel electrical current unless it is passing thru your body. as it turned out there was no open neutral. if its the LED type, THROW IT AWAY. An outlet may not be working if there is an opening in the circuit it is attached to. Cookies help us deliver our Services. Turned the power off at the box, and removed the plates on the outlets. I'm going to test the pin voltages when I have time but all these facts don't add up to me unless the tester is faulty. How to fix open neutral and open ground in an electrical outlet - Answered by a verified Electrician We use cookies to give you the best possible experience on our website. If the box was energized, then the box isn't grounded and I would stop before you get electrocuted. How do I repair the scratches my cat made on my Ikea cabinets. Also, notice how the hot-to-neutral voltage drop (5.2V) almost equals the sum of the neutral-to-ground and hot-to-ground voltage changes (2.4V+2.7V= 5.1V). I have one of the small cheap testers that is indicating an open neutral on the only wall socket in the shed. This did trip off just last week when I connected a water pump to that circuit and the water pump had water in the motor, so the RCD is working. Assuming you didn't reverse the hot/neutral, which should be detected on a standard receptacle tester, it's either a bad receptacle, bad wiring, bad connection between the wiring and the outlet, or a bad tester. I plugged in the Outlet Tester again, all normal, pressed TEST and RESET about 20 times and each time the outlet tester says everything is fine, coffee maker works again. Of course, for this to work, the neutrals have to be bonded at some point. VIOLENTLY. Then I used an Outlet tester and saw that I had an OPEN NEUTRAL. Reply. Do I really have an open neutral or is it possible that I actually have a grounding problem? Thanks for all your questions! If it detects any change in the electrical flow in the circuit, it will immediately cut off the flow of electricity. If the hot is open, the outlet and all those connected to it will be completely dead. Electrical Outlet Wiring. It might not seem like a big deal, but the excess current that runs through the wires can cause the outlet to overheat, spark or even catch on fire. Outlet Tester Readings Interpreting 3-Prong Receptacle Testers. That outlet, the insides that grip the prongs of the plug don't grip, so that outlet was replaced. My tester indicates an open neutral on one outlet.. can I still use the outlet? Usually you can press Test, but I can't. 7 years ago The AC outlets in houses run from room to room connected in parallel fashion similar to my picture here. Outlet Tester Readings Interpreting 3-Prong Receptacle Testers. As you can see from the diagram, if one wire breaks, then all outlets AFTER THAT ONE will loose power. So I got a new outlet and I was about to install today, but guess what? Jan 20, 2011 678 1 0 Atlanta, GA. Jul 11, 2012 #9 Re: Why An Open Neutral Kills 120V Devices. If the neutral (grounded) conductor comes loose from one, it will kill all of the "downstream" receptacles. The first two receptacles show the open neutral in the bottom outlet; the bottom outlets are on a wall switch. This is a common way to switch receptacles by adding an extra (red) wire that goes through a switch. Because ground and neutral are at the same voltage, a standard outlet tester cannot determine if the ground and neutral are switched. Also, notice how the hot-to-neutral voltage drop (5.2V) almost equals the sum of the neutral-to-ground and hot-to-ground voltage changes (2.4V+2.7V= 5.1V). There is always electricity flowing out of an outlet with reversed polarity, even if an appliance is supposed to be off. I checked many times and doesn't show as reverse polarity. Just the testing m in a RV park and used my tester. Open the panel door and you’ll see one or two rows of switches labeled “OFF” on one side and “ON” on the other side. 267 Posts . Read on to hear about a situation that I experienced recently in which a friend encountered an open or loaded neutral while doing some DIY wiring and needed some help understanding what caused the situation. If you don’t feel comfortable with making these changes contact a electrician that can help you out. Sometimes these parts break or malfunction, causing the electricity to part or all of a home to stop flowing. Bought a humidifier and now my door has swollen? Klein Tools RT110 Receptacle Tester detects the most common wiring problems in standard receptacles. It wasn't safe. These can be confused with "back EMF" sometimes. Same with Hot to Ground. - In the other direction, there are four 15 amp receptacles, pig-tailed (wired as pictured in the image) When I use my circuit tester on the receptacles, the GFCI and the first two receptacles read as Correct. By continuing to use this site you consent to the use of cookies on your device as described … How to fix open neutral and open ground in an electrical outlet - Answered by a verified Electrician We use cookies to give you the best possible experience on our website. I'm a 20 electrician using a fluke meter outlet switch and keyless have 120 v until a load is present them it drops to 60 or so volts any ideas. No big deal so i thought. Get answers by asking now. Two failures and four successful. Yes, an open neutral on a two wire circuit will just open the circuit and disconnect the load. A plug tester should indicate an ‘”open neutral” condition. The outlet receptacles are where lamps, electronic equipment, small appliances, space heaters, and many other devices tap into the home's electrical circuits to fulfill their duties. E. Eric Cagle Senior. Is that what a receptable box is called, a junction box? I had thought of this as well -- especially since the light fixture directly upstream of this lights properly, but I just went out there again and checked it. Read detailed information? cleaning intergrated Hotpoint gas intergrated Hotpoint gas hob? ... 2 thoughts on “ What are the different combinations/color codes on my outlet/GFCI tester and what do they mean? As you can see from the diagram, if one wire breaks, then all outlets AFTER THAT ONE will loose power. Note: This is an Australian circuit - 240V, 3 pin plug with active on the left. (The stereo works with no problems in other outlets) I tested the outlets with a three light tester, and one of the outlets read Open Neutral, the other had all three lights lit, but that is not a reading listed on the tester. The multilester indicates 122 volts on the top outlet; about 29 volts on the bottom outlet when the wall switch is off. How a Switched Outlet Works Electrical Question: I have a problem with a duplex receptacle where the upper plug does not have power but the lower half does. If one or more outlets won't work, you could have an open hot outlet or an open neutral. Contractor's Assistant: How long has this been going on with your outlet? If an electrical outlet tester indicates you have an open neutral, it could indicate: The neutral wire is not connected to the outlet in the outlet’s electrical box. Neutral open means that there is somewhere a white wire disconnected or has a free connection.Even under the house there may be additional connection boxes to look for. What does open neutral mean on an outlet? I took the cover off and found this: On the BRASS screws on the right side, a BLACK wire comes to the upper brass screw, and a RED wire comes to the lower brass screw. The GFI is part of an outlet, like this. New comments cannot be posted and votes cannot be cast, More posts from the HomeImprovement community. Use … If your home does not have grounding wires, you should replace the outlet with either a two-prong outlet or a GFCI outlet. When I had the tester in the socket and I touched the metal box, I could feel that it was charged. An open neutral simply means that neutral, or common wire is not connected somewhere. What have you tried so far? Turned the power off at the box, and removed the plates on the outlets. Discussion Starter • #1 • Aug 3, 2015. No. But if the neutral for your distro gets disconnected, then you've got problems. 0. framistan . Still have questions? Open Neutral Wiring. now I pressed RESET again and the outlet works fine. With grounds, an open is often a case of someone simply never connecting a ground to the receptacle or forgetting to reconnect if they had occasion to disrupt it. I have replaced must of the outlets in the house but this one is causing me some trouble. The 6 GFCI are another story. Also a double-insulated compact fluoro light (only 2 pins) connected to that circuit works fine. This may not sound like a terrible thing, but it is. So I got a new outlet and I was about to install today, but guess what? Test for continuity from the ground screw to the ground pin inside the receptacle (with the power turned off). Try to find out where the wire to the outlet comes from, otherwise start opening nearby outlets. If you are new here, please review posting/commenting guidelines. Neutral open means that there is somewhere a white wire disconnected or has a free connection.Even under the house there … What do you mean when you say the box was charged? This is a common way to switch receptacles by adding an extra (red) wire that goes through a switch. I replaced an outlet in my garage today because it was broken. SPT countertop dishwasher won’t stop beeping ? I pulled everything apart and replaced the outlet with another new one and put it all back. Why are electrical outlets so close to the ground? Now if I'm correct, the circuit can still work if the power flows back through the ground wire instead of the neutral but the RCD/GFI/ELCB isn't tripping off. I have one of the small cheap testers that is indicating an open neutral on the only wall socket in the shed. Did you test the outlet before doing anything? COMMUNITY; NEW POSTS; Home » Forum » Trade Talk » Electrical » Open Neutral Open Neutral Thread Tools: Search this Thread: Display Modes: 11-25-2010, 10:48 AM #1: stp57. Wouldn't it make more sense to make them chest high? A hot wire touching the neutral wire can cause your outlet to short out. My tester indicates an open neutral on one outlet.. can I still use the outlet? This often happens when "back-stab" connections … in theory the ground should complete the circuit, right? Test for continuity from the ground screw to the ground pin inside the receptacle (with the power turned off). As with the open hot or neutral, an open ground can be happening at the receptacle itself (or its box) -- "B" of the left-hand scenario above -- or else at an outlet "upstream": "A" of the right-hand one. In an electrical system, ground and neutral are connected together in one location only, at the neutral point.This connection is either at the power company transformer or in or near the main electrical panel of the dwelling (see Electrical Circuits).. If your outlet’s polarity is reversed, it means that the neutral wire is connected to where the hot wire is supposed to be. That outlet, the insides that grip the prongs of the plug don't grip, so that outlet was replaced. Join Date: Dec 2007. Wires definitely not reversed. Did this just occur by itself, or has the wiring been altered or new wiring installed recently? The 6 GFCI are another story. I'm still finishing up our new house, and the outlet in the powder room didn't work today. Use a multimeter. Hey guys, new here! How to Fix an Outlet that Doesn't Work: Open Neutral - YouTube link to contact form. ” Fred on May 9, 2013 at 1:45 pm said: All three lights, 2 amber, 1 red, are lit. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. Martin_Brooke (Martin Brooke) September 18, 2014, 4:57pm #7. btoye: I’m assuming this would only happen with a MWBC, correct? More about Electrical Outlet Problems. Contractor's Assistant: Have you talked to an electrician about your outlet? I have one of the small cheap testers that is indicating an open neutral on the only wall socket in the shed. An open neutral simply means that neutral, or common wire is not connected somewhere. It has three holes: two of the holes are for neutral and hot wire and the third hole in the middle of the outlet serves as a ground wire. I'm guessing you have wires reversed. Turn off the circuit breaker and open the box and post a picture. The voltage on a neutral wire is normally 0V (volts) on a live circuit. Now if I'm correct, the circuit can still work if the power flows back through the ground wire instead of the neutral but the RCD/GFI/ELCB isn't tripping off. Open Neutral Wiring. If any of these outlets are a GFCI outlet, they will affect all downstream outlets (load), even if those affected outlets are not GFCI outlets. What have you tried so far? I know I've used it before, but only a few times. 7 years ago The AC outlets in houses run from room to room connected in parallel fashion similar to my picture here. Contractor's Assistant: Have you talked to an electrician about your outlet? Then I used an Outlet tester and saw that I had an OPEN NEUTRAL. Are there tools I can use to detect the condition of my electrical system at home? An outlet has three holes. By using our Services or clicking I agree, you agree to our use of cookies. Not a Member? This can occur on a MWBC, or the service neutral. If the outlet tester reads "open ground", connect the grounding wire (green or bare) to the green grounding screw. My tester shows 'open neutral', but it's not. Assuming you didn't reverse the hot/neutral, which should be detected on a standard receptacle tester, it's either a bad receptacle, bad wiring, bad connection between the wiring and the outlet, or a bad tester. With grounds, an open is often a case of someone simply never connecting a ground to the receptacle or forgetting to reconnect if they had occasion to disrupt it. Two failures and four successful. as it turned out there was no open neutral. If you open it up, and there are separate wires running to the top and bottom half of the outlet, you're dealing with the two-circuits thing and will need to make sure the outlets are not bridged before you reconnect it. I'm an amateur, but my best guess is that the cable is damaged where it enters the gang box. With my other similar GFIs, when I turn turn off the breaker, I see the same behavior, you can't press Test anymore. If it's a new receptacle, odds are low that it's bad. No. Electrical systems are complicated home systems with a number of working parts. Join Yahoo Answers and get 100 points today. I'm assuming that even if there was only a very small voltage on the ground wire that the RCD would switch off so if there was resistance on the neutral causing some power to flow back on ground then the RCD should turn off. 0. framistan . Looks like you're using new Reddit on an old browser. The combined black and white wire IR drops subtract from the voltage available to the load (the hot-to-neutral voltage). How a Switched Outlet Works Electrical Question: I have a problem with a duplex receptacle where the upper plug does not have power but the lower half does. It is too dark for pictures right now, but ground to the green terminal, white to silver, black to brass. Obviously I would get an electrician if that was an option and nobody was born with electrician knowledge - they were all told how to do things by someone else which is what I'm after here. Wiring Electrical Outlets for the Home. Having a outlet with a open ground or open neutral can pose a electrical hazard or damage electronic devices that you plug in. If for example you test a outlet in a room, and the tester shows that you have an open neutral, Then somewhere along the circuit the neutral is not connected properly. Open Neutral: This means that the neutral wire is loose or has not been properly connected. The outlet works when plugging something into it. After I replaced it, I used my 3 prong tester (I hear of the shortcomings of these types -- I don't have a multimeter) on it and it shows open neutral. This power is brought into your home and is distributed by a circuit breaker. There could be a problem where the neutral wire is open. I plugged in the Outlet Tester again, all normal, pressed TEST and RESET about 20 times and each time the outlet tester says everything is fine, coffee maker works again. In an electrical system, ground and neutral are connected together in one location only, at the neutral point.This connection is either at the power company transformer or in or near the main electrical panel of the dwelling (see Electrical Circuits).. Now if I'm correct, the circuit can still work if the power flows back through the ground wire instead of the neutral but the RCD/GFI/ELCB isn't tripping off. This often happens when "back-stab" connections on receptacles are used, and the receptacles are not installed with a pig-tail, but are daisy-chained together. Light works as expected when breaker is on. Did this just occur by itself, or has the wiring been altered or new wiring installed recently? What is an open neutral outlet? These involve some aspect of the electrical circuit, even if only the outlet itself. The neutral and ground are possibly still connected. www.electrical-online.com. Neutral open means that there is somewhere a white wire disconnected or has a free connection.Even under the house there may be additional connection boxes to look for.

open neutral but outlet works

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