Wiring diagram for a gfci outlet

You can wire a single GFCI with multiple outlets using the 2 wires cables, multiple outlets, and GFCI. You’ll have to use that single GFCI as the source and then connecting the rest of the outlets using the same load and line terminals. Below mentioned wiring diagram shows a single GFCI outlet connected with the multiple outlets.

Multiple GFCI Outlet Wiring Diagram - (pdf, 72kb) Back to Wiring Diagrams Home. Click the icons below to get our NEC ® compliant Electrical Calc Elite or Electric Toolkit, available for Android and iOS. The Electrical Calc Elite is designed to solve many of your common code-based electrical calculations like wire sizes, voltage drop, conduit sizing, etc.Connect the bare ground wire to the green (Ground) screw. (See Diagram A). Replace the receptacle, screw it back into the box, and attach the cover plate. Turn the power back on at the circuit-breaker panel. Plug a clock radio or light into the outlet. Test the GFCI by pressing the Black “Test” button on the outlet.Nov 27, 2022 · Step 2. With the wires twisted together and secured with wire nuts, insert them into the side terminals of the GFCI outlet. The black wires go on the brass screws, and the white wires go on the silver screws. If there is a green grounding wire, it will go on the green grounding screw. Take the new regular breaker and install it in the open slot left behind by the GFCI breaker, then attach the tagged hot to the new breaker and plug it onto the busbar (again, you need to torque the terminal screw to spec here). Put the deadfront back on, and have the power company turn the power back on.Instruction Sheets Old. GFCIs and AFCIs. Audible GFCI (A7599-I) Audible GFCI (GFTA1-W) Blank Face (X7590-KW) Blank Face (7590-XE)Dec 28, 2022 · The main components of a wiring diagram for a GFCI outlet are the line (L), load (L), neutral (N), ground fault circuit interrupter (GFCI), and test (T). The line, or hot wire, is the source of the electricity coming into the outlet. The load, or neutral wire, is the destination point of the electricity. This tutorial video will show the way to wire a GFCI outlet to a regular one, in order to take advantage of the GFCI protection.Don't forget to subscribehttp...

The instructions describe what to do with a regular 2-wire + ground feed, with and without daisy chaining to other receptacles, but not how to do it with a 3-wire + ground feed. Please describe how I should connect the new receptacle. Here's a diagram of how the non-GFCI receptacle is currently wired, in my best 6-year-old artistry:Once the power has been shut off, remove the existing switch, if any, and install the GFCI switch combo in its place. Follow the wiring diagram that comes with the device and connect the wires according to their color. Then, secure the device with the screws provided. Finally, turn on the power and test the device to make sure it works.Step 2: Hook the Wiretaps. Hook the free ends of all three wiretaps (the three small pieces you made and connected) so they can connect to the outlet’s terminals. Use the loop bending hold in the wire stripper to form 180° hooks. Otherwise, you can use nose pliers to get the same task done.Jul 18, 2016 · He installed a plastic 4-gang box which will have a GFCI receptacle and 3 switches for a light above the vanity, an overhead light, and an overhead fan. The wiring is already in place; I just need to install the actual GFCI and switches. There are three cables coming into the top of the box: two with a black, a white, and a bare, and one with a ... Prepare The Wires So They Can Be Reconnected To The New GFCI Outlet: Cut the ends off the wiring (the previously connected portion) and straighten them. Strip off about ¾ of an inch of insulation from each conductor for the new wiring connections. Step 4. Separate And Identify The Line Side Wires:This example of wiring a single GFCI receptacle outlet shows a outlet box with one pair of wires form a 2-wre cable with a ground wire. The wires attaching to the GFI Outlet connect to the LINE Side. This GFI Outlet comes with yellow tape over the LOAD side. In this example the GFI protection serves this outlet location only. Separate 110 circuit runs (black, white and ground) from the main load panel directly to sub panel and powers a GFCI outlet on the side of the sub panel (used for lighting). Still want to add a surge protector (Intermatic PS3000) at the sub panel (in addition to the whole house surge protector) because pump is variable speed and has sensitive …

Jul 7, 2022 · You can also connect multiple outlets to a GFCI outlet. To connect multiple outlets to a GFCI outlet you need to point out the terminals, then connect the input terminals to the power supply and load terminals to the other outlets in parallel form. It is not a difficult task. But there is quite a number of terminals in an outlet. To make a run for a ceiling fixture, push an electrician's fish tape through the switch hole and down to the source receptacle. Use electrical tape to strap about 6 inches of cable to the fish tape and pull it up through the switch hole. Cut it free from the fish tape and leave about 12 inches on both ends.Jul 18, 2016 · He installed a plastic 4-gang box which will have a GFCI receptacle and 3 switches for a light above the vanity, an overhead light, and an overhead fan. The wiring is already in place; I just need to install the actual GFCI and switches. There are three cables coming into the top of the box: two with a black, a white, and a bare, and one with a ... In general, yes. GFCI outlets have LINE and LOAD terminals. You can connect several more outlets on the LOAD terminals, and they will also be protected from ground faults. You can also add a switch, though bear in mind that highly inductive loads (like a large motor) can cause nuisance tripping of the GFCI.

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28. 29. 30. Properly wiring a GFCI outlet with three wires is essential for protecting any home electrical circuit. Without GFCI protection, a single short circuit in an unprotected circuit can cause electrocution, property damage, or even death. Fortunately, it's not difficult to wire a GFCI outlet with three wires if you have the right tools ...This page contains wiring diagrams for ground fault circuit interrupter (gfci) receptacles. Included are diagrams for multiple gfci's, a protected standard duplex receptacle, and a protected light fixture. Wiring for a switch and gfci receptacle in the same box is also shown.I would guess that an accidental short circuit that sparks enough to start a fire is more likely in aging knob-and-tube wiring than in modern wiring. That's the scenario AFCI is intended to protect you against. GFCI protects you against electrocuting yourself if the safety ground isn't there or doesn't do what it's supposed to do.Wiring 2 Outlets with 2 Sources. In this diagram, two outlets are wired in the same box with a separate 120 volt source feeding each. Three-wire cable runs into the box. The black and red wires are both hot and each is connected to one of the receptacles. The white, neutral wire is splice to each outlet so they share the return path.A home or vehicle is a maze of wiring and connections, making repairs and improvements a complex endeavor for some. Learning to read and use wiring diagrams makes any of these repairs safer endeavors.

Range Circuit. An electric range generally needs a dedicated 240/250-volt, 50-amp circuit. That means that you'll need to install a 6/3 NM cable (or #6 THHN wire in a conduit) to feed the range. If it's a gas range, however, it will only require a 120/125-volt receptacle to power the range controls and vent hood.1. The first thing is easy: Don't use the GFCI LOAD terminals. The GFCI will come with warning tape across the "Load" terminals; leave it there -- 90% of your potential problems will come from trying to use it, and there's no earthly reason to use it. "I don't know where else to put the wires" -> we will educate you.The NEC requires that all outlet receptacles in a bathroom be GFCI protected. Outlet circuit must be 20 amps: The outlets in a bathroom should be served by a 20-amp circuit, separate from the lighting circuit, to provide power items such as curling irons, razors, and hairdryers. Heating appliances have heavy power draw, so the Code …With standard-size boxes, there may not be enough room to add a GFCI receptacle safely, making a GFCI circuit breaker the better choice. Cost: A GFCI receptacle can cost around $15. A GFCI breaker might cost you $40 or $50, versus $4 to $6 for a standard breaker. If money is an issue and you only need to protect a single location, a …The second issue was the GFCI duplex receptacle on the right of the switch, was not working at all. A reset did nothing. So I figured I'd replace the GFCI duplex with a new one from the hardware store. After installing that, the new GFCI would not turn on either, despite 120v power to the line terminals (as tested with my meter).The wiring diagram for a GFCI breaker includes all four of these wires. The hot wires are usually colored black and red, while the neutral wire is usually colored white. The ground wire is typically colored green. The wiring diagram will also include instructions on connecting the wires to the GFCI breaker.The instructions describe what to do with a regular 2-wire + ground feed, with and without daisy chaining to other receptacles, but not how to do it with a 3-wire + ground feed. Please describe how I should connect the new receptacle. Here's a diagram of how the non-GFCI receptacle is currently wired, in my best 6-year-old artistry:If you don't need to provide GFCI protection for other devices, or if the receptacle is at the end of the circuit (end-of-run), use only the LINE terminals, following the manufacturer's wiring diagram. If this receptacle is a middle-of-run receptacle, use short pigtail wires to link the circuit wires to the LINE terminals on the receptacle.In this video I show you how to wire a light switch and GFCI outlet in the same box. Having or adding an outlet to a light switch box is an easy process and...

Wiring a Grounded Duplex Receptacle Outlet. This is a standard 15 amp, 120 volt wall receptacle outlet wiring diagram. This is a polarized device. The long slot on the left is the neutral contact and the short slot is the hot contact. A grounded contact at the bottom, center is crescent shaped. Don't use this receptacle when no ground wire is ...

ITEMS I USED:- Voltage Tester - https://amzn.to/3iNvPLm- LEVITON 15 AMP GFCI - https://amzn.to/3qM2g0X- LEVITON 15 AMP Tamper Resistant Duplex Outlet - https...Connect the wires from the GFCI switch to the circuit breaker. Connect the neutral and ground wires. Install the outlet box. Connect the outlet box to the GFCI switch. Test the GFCI switch and outlet combo. Turn on the power supply. Understanding the Components of a GFCI Switch and Outlet Combo The parts of a GFCI switch and outlet combo ...The GFCI outlets work fast, which is vital to saving lives. It can detect slight imbalances as low as 4-5 milliamperes and trip the circuit in 1/13 of a second. The GFCI stops any prolonged exposure to life-threatening electrical shock. Just for comparison, at ten milliamperes, human muscles paralyze due to the electricity passing through the ...You can also connect multiple outlets to a GFCI outlet. To connect multiple outlets to a GFCI outlet you need to point out the terminals, then connect the input terminals to the power supply and load terminals to the other outlets in parallel form. It is not a difficult task. But there is quite a number of terminals in an outlet.All my gfci outlets are not working. All breakers show good. What else could be the problem. I need a wiring diagram.The Line side and the Load is typically identified by lettering that is visible on the back side of the GFCI receptacle. As shown above with this GFCI Receptacle, yellow tape is placed over the LOAD side to prevent confusion, and the LINE side is open and ready for wiring. NOTE: GFI Outlets Will Not Reset if the Wiring Is Incorrect.Check this step-by-step guide to learn installing GFCI outlet with 4 wires. 1. Turning Off the Power. The first and most crucial step to not only wiring a GFCI outlet with 4 wires, but installing any electrical component is to completely shut off any power that it is connected to. This can be done with the help of a local circuit breaker or the ...This wiring is also known as series wiring of outlets which is only acceptable in case of AFCI or GFCI. Wiring Dual Outlets from 240V Source for 120V In this wiring, the first and 3rd outlet hot terminals are connected to the Line 2 (Blue) and the second and last outlets hot terminals are connected to the Line 1 (Red).

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Pigtail hot inbound and outbound wires with one of the hot wires protruding from back of the combo switch. Send the 2nd hot wire protruding from from of the combo switch to LINE brass/hot side. Take neutral inbound and outbound wires and pigtail to LINE silver/neutral side. Obviously connect the grounds together.Mar 20, 2023 · The second method of adding an electrical outlet in the middle of a run is to connect the receptacle to the circuit wires with pigtails, which allow the circuit to flow both to the receptacle and to any "downstream" receptacles, without being dependent on the receptacle's connecting tab. Pigtailing is not advised if the wall box is shallow and ... May 22, 2021 · Some of the common symbols used in a wiring diagram include: A (for power source) L (for load) GFCI (for ground fault circuit interrupter) N (for neutral) H (for hot) These symbols are used to depict the various components that make up a GFCI outlet, and how they are connected together. Knowing what each symbol means will make it easier to read ... Wiring A Light Switch Off A GFCI Outlet. Connect the line, neutral, and ground of the main power supply to the line in, neutral in, and the ground terminal of the GFCI as shown in figure 01. Connect the Line Out of the GFCI to one of the terminals of the light switch. Connect the other terminal of the switch to the positive terminal of the bulb ...While the bathroom is grandfathered to bring it up to current code you would install a new 20a GFCI protected circuit for the receptacles. The existing 15 a could be used for lighting. Depending on the load of the under floor heating the existing 15a circuit might also be used for the under floor heat. The hot tub would need its own circuit ...Switch the new breaker to the OFF position. Connect the hot circuit wire to the "HOT" or "LOAD" screw terminal on the breaker, using a screwdriver. Connect the neutral circuit wire to the "NEUTRAL" screw terminal on the breaker. Connect the breaker's coiled white neutral wire to the neutral bus bar on the service panel.Electrical Wiring for a Outside GFCI Outlets. Type UF Direct Burial Cable: The depth of the trench will depend on where the GFCI is located. A trench 24 inches deep is required for Type UF cable when the GFCI is located in the outdoor access location. PVC Electrical Conduit: Trench depth of 18 inches is required for PVC conduit which provides ...1) By using pigtails from each wire group, you can wire a GFCI or AFCI to protect only its outlet and not outlets downstream. 2) Attach the ground pigtail to the green ground screw, then insert the neutral pigtail into a neutral “LINE” terminal hole on the back of the device.Nov 27, 2022 · Step 2. With the wires twisted together and secured with wire nuts, insert them into the side terminals of the GFCI outlet. The black wires go on the brass screws, and the white wires go on the silver screws. If there is a green grounding wire, it will go on the green grounding screw. Leviton Gfci Outlet Wiring Diagram. Print the cabling diagram off plus use highlighters in order to trace the routine. When you make use of your finger or perhaps stick to the circuit together with your eyes, it is easy to mistrace the circuit. One trick that We use is to print out a similar wiring plan off twice. ….

How To Wire a GFCI and Outlet to a Light Switch Fully explained wiring instructions complete with a picture series of an installation and wiring diagrams can be found here in the GFI and Light Switch area here in this website. Just click the Wiring Diagrams… Wiring a GFCI Outlet with a SwitchHow To Install GFCI With 4 Wires? You have two sets of wires. Each cable has a black and white conductor. However, you cannot wire the GFCI without identifying the roles each cable plays. One set of wires will bring power to the outlet. The second set will take the power to receptacles down the line.P1F3F7US TL1F3F7US 125A Main Lug Surface Mount Un-Metered 14-50R, GFCI Brkr TT30R, GFCI Brkr 5-20R2 GFI W.R. N/A P5F8F8FUS TL5F8G8GUS 125A Main Lug Surface Mount Un-Metered 6-20R, GFCI Brkr 5-20R2, GFCI Brkr, W.R. 5-20R2, GFCI Brkr, W.R. N/A NA TL1F3F7US2 125A Main Lug Surface Mount Un-Metered 14-50R, GFCI …Dec 31, 2020 · Standard outlets still may be GFCI protected by being linked to another GFCI outlet elsewhere in the house. If yours isn’t protected, simply replace the standard outlet with a new GFCI outlet using the techniques we show in Photo 13 and Figure A. Another option is to cut in, mount and wire a new outside GFCI outlet, feeding it from an outlet ... 1. This is for a U.S. based house built in 1990. I have an outlet receptacle running on 20 Amp 12 Gauge wire. I want to replace it with a GFCI outlet. The problem is that 2 circuits are running through this outlet. You will notice in the diagram below, that all of the Whites (Neutral) are capped off with each other and connect to the outlet ...The instructions describe what to do with a regular 2-wire + ground feed, with and without daisy chaining to other receptacles, but not how to do it with a 3-wire + ground feed. Please describe how I should connect the new receptacle. Here's a diagram of how the non-GFCI receptacle is currently wired, in my best 6-year-old artistry:Wiring Diagram for a Switched GFCI Combo Outlet. In this diagram, the switch built into the combo device is wired to control the gfci outlet itself. The source hot wire is spliced with one of the switch wires and the other switch wire is connected to the hot LINE terminal on the device. The source neutral is connected the LINE neutral terminal.Wiring Diagram for a Switched GFCI Combo Outlet. In this diagram, the switch built into the combo device is wired to control the gfci outlet itself. The source hot wire is spliced with one of the switch wires and the other switch wire is connected to the hot LINE terminal on the device. The source neutral is connected the LINE neutral terminal.I'm installing a GFCI Outlet in the bathroom using 12/2 wire on a 20 amp breaker. The outlet box contains GFCI Outlet, 1st Switch to control light/Exhaust Fan in ceiling, 2nd Switch to control vanity light above sink. I have a closet in the bathroom which has an outlet box with both 12/2 and 14/2 running to the box. This is the end of the circuit. Wiring diagram for a gfci outlet, Installing a GFCI receptacle can be more complicated than installing a conventional receptacle. Make sure that you: • Understand basic wiring principles and techniques • Can interpret wiring diagrams • Have circuit wiring experience • Are prepared to take a few minutes to test your work, making sure that you have wired the GFCI ..., If we have to run single phase 120V circuits or 2-poles 240V GFCI breaker, we will connect the white neutral wire from the main service panel to the subpanel box. Click image to enlarge. Keep in mind that #3/0 gauge wires should be used for 200A breaker and #1/0 gauge wire for 150A circuit breaker (NEC 2017 – Table 310.15 (B) (16) & 310.15 (B ..., Step 3. Prepare The Wires So They Can Be Reconnected To The New GFCI Outlet: Cut the ends off the wiring (the previously connected portion) and straighten them. Strip off about ¾ of an inch of insulation from each conductor for the new wiring connections. Step 4. , Only GFCI protection on the motor itself is really required. Caution these motors are quite a bit larger usually one or 1.5 hp so they will require a GFCI breaker or a heavy duty GFCI receptacle. Thirdly is an inground swimming pool. These are permanently mounted swimming pools usually with a continuous metal wall., Multiple GFCI Outlet Wiring Diagram - (pdf, 72kb) Back to Wiring Diagrams Home. Click the icons below to get our NEC ® compliant Electrical Calc Elite or Electric Toolkit, available for Android and iOS. …, This diagram illustrates wiring a GFCI receptacle and light switch in the same outlet box, a common arrangement in a bathroom with limited space. The hot source is spliced to the LINE terminal on the receptacle and to one terminal on the light switch. The neutral and ground wires are spliced together and run to each device in the circuit. , This video covers the essentials of installing a GFCI Outlet (or GFCI receptacle), including line vs load terminals, wiring basics, why back wiring is OK and..., The problem is that 2 circuits are running through this outlet. You will notice in the diagram below, that all of the Whites (Neutral) are capped off with each other and connect to the outlet once, while two hots come off the …, Feb 19, 2017 · Take the new regular breaker and install it in the open slot left behind by the GFCI breaker, then attach the tagged hot to the new breaker and plug it onto the busbar (again, you need to torque the terminal screw to spec here). Put the deadfront back on, and have the power company turn the power back on. , Oct 9, 2020 · Wire staples GFCI outlets reduce the danger of deadly shock from faulty plug-in cords and devices. A GFCI (ground fault circuit interrupter) is a special type of outlet that detects dangerous ground faults and immediately turns off the power to stop shocks. You can replace almost any electrical outlet with a GFCI outlet. , Oct 27, 2022 · The wiring diagram for a GFCI outlet includes detailed instructions on how to connect the wires to the circuit breaker. It should also explain the specific requirements of the NEC, such as the type and size of the wires used. Additionally, it should show how to ground the outlet correctly, so that any electricity flowing into or out of the ... , Check this step-by-step guide to learn installing GFCI outlet with 4 wires. 1. Turning Off the Power. The first and most crucial step to not only wiring a GFCI outlet with 4 wires, but installing any electrical component is to completely shut off any power that it is connected to. This can be done with the help of a local circuit breaker or the ..., The line connection is used for all GFCI outlet installations. The circuit's hot wire (typically colored black or red) connects to the black or brass-colored screw terminal marked LINE. The white neutral wire connects to the silver-colored screw terminal marked LINE. The markings for line and load usually are printed on the back of the outlet's ..., If you own a Robinair AC machine, you know how important it is to keep it in good working order. One of the key components of your machine is the wiring system. Without proper wiring, your machine won’t function as it should., Phase 1: Initial Steps (Pre-Wiring) Firstly, ensure you can identify the LINE and LOAD rows for the hot/live and neutral terminals on the GFCI outlets. For personal safety, you must turn the power off to the circuit before starting. Switch off the circuit breaker for the circuit you will be working on., • Understand basic wiring principles and techniques • Can interpret wiring diagrams • Have circuit wiring experience • Are prepared to take a few minutes to test your work, making sure that you have wired the GFCI receptacle correctly 4. LINE vs. LOAD A cable consists of 2 or 3 wires. Cable Wires LINE cable:, To wire two GFCI outlets together, you must connect the incoming power source wires to the line terminals on the 1st GFCI, then use a pigtail to connect the line terminals of both GFCI. Next, connect the load terminals on the 1st GFCI to the downstream wiring, and do the same with the 2nd GFCI. While wiring two outlets together, you …, Once you understand the wiring diagrams, you can begin to install your GFCI outlet switch combo. First, switch off the power to the circuit before you start any wiring. Once the power is off, attach the wires to the outlet according to the wiring diagram. Make sure all the connections are tight and secure. Then, screw the outlet into the wall ..., Step 3. Prepare The Wires So They Can Be Reconnected To The New GFCI Outlet: Cut the ends off the wiring (the previously connected portion) and straighten them. Strip off about ¾ of an inch of insulation from each conductor for the new wiring connections. Step 4. , Literature. Instruction Sheets Old. Electrical Wiring Devices. Color Change Kits (IPKIT-NR) 15 AMP AFCI Tamper-Resistant Duplex (AFTR1) 15 AMP AFCI Tamper-Resistant Duplex (AFTR1-HG) Combination AFCI/Switch (AFSW1-I) Decora® Combination Devices (T5631-2W), Pigtailing. The second method of adding an electrical outlet in the middle of a run is to connect the receptacle to the circuit wires with pigtails, which allow the circuit to flow both to the receptacle and to any "downstream" receptacles, without being dependent on the receptacle's connecting tab. Pigtailing is not advised if the wall box is ..., The Most Common Method for Installing Electrical Cable and Wiring for Outdoor GFCI Outlets. Type UF Direct Burial Cable: The depth of the trench will depend on where the GFCI is located. A trench 24 inches deep is required for Type UF cable when the GFCI is located in the outdoor access location. PVC Electrical Conduit: Trench depth of 18 ..., I broke the original outlet taking wires out. After trying to figure out the wiring diagram it started to get dark. I can't use the lights because power is off. I couldn't figure out the GFCI wiring. So had an extra old outlet around and wired it for safety. I need advice on how to wire it? When I go back to the house I will take pictures., Cost: A GFCI receptacle can cost around $15. A GFCI breaker might cost you $40 or $50, versus $4 to $6 for a standard breaker. If money is an issue and you only need to protect a single location, a GFCI outlet might be a better choice than a GFCI breaker. Electrical code: The local electrical code may have particular GFCI requirements that ..., Step 2. With the wires twisted together and secured with wire nuts, insert them into the side terminals of the GFCI outlet. The black wires go on the brass screws, and the white wires go on the silver screws. If there is a green grounding wire, it will go on the green grounding screw., Switch the new breaker to the OFF position. Connect the hot circuit wire to the "HOT" or "LOAD" screw terminal on the breaker, using a screwdriver. Connect the neutral circuit wire to the "NEUTRAL" screw terminal on the breaker. Connect the breaker's coiled white neutral wire to the neutral bus bar on the service panel., Splice all the black wires together, including a 6-inch piece (of the same wire size!), all the white wires the same way, and lastly all the bare, ground, wires. Use the 6" piece to terminate on the outlet. The outlet will actually have two sets of connection points, with the one for the "load", or downstream, wires and one for the "line" wires ..., Sep 30, 2020 · This tutorial video will show the way to wire a GFCI outlet to a regular one, in order to take advantage of the GFCI protection.Don't forget to subscribehttp... , Step 2: Disconnect and Remove the Outlet (if applicable) If you’re removing an existing outlet, remove its cover plate by removing the screw. If this doesn’t apply, move on to Step 2. Then, completely disconnect the wiring behind the existing outlet. Remove the screws holding them behind the outlet., Cost: A GFCI receptacle can cost around $15. A GFCI breaker might cost you $40 or $50, versus $4 to $6 for a standard breaker. If money is an issue and you only need to protect a single location, a GFCI outlet might be a better choice than a GFCI breaker. Electrical code: The local electrical code may have particular GFCI requirements that ..., I show how to wire a GFCI outlet with 2 wires going to the GFCI. I am installing this into a grounded metal box without a ground wire. Check out more home im..., After marking the conduit, cut it, glue on the male adapter, and connect it to the box. Use a level to plumb this section of conduit and secure it to the wall with straps. Finally, add the last section of conduit on the ceiling and anchor the ceiling box to framing or with drywall anchors (Photo 2). Step 8., A GFCI, or ground fault circuit interrupter, is a type of electrical outlet that is designed to protect against electrical shock. It does this by monitoring the electricity flowing through the outlet and shuts off the power if it detects an imbalance. This imbalance can occur if there is a break in the circuit or if there is leakage to ground.