Step #5 Secure the receiver below the half-round to the neutral white wire. 4) OK, so now you want to start mounting your new 50 amp outlet to the wall. After the code change, appliances began to be sold with the case ground separated from the neutral. I bought a cooktop to build me a nice kitchen. When it’s time to plug in the range, you pull out and completely remove the drawer below the oven, then reach through the cavity from the front to get to the receptacle. Using a Type UF-rated four-conductor six gauge wire, you can install a 50 amp circuit breaker in a vacant slot in the panel. Double-pole breakers are twice as wide as standard breakers and attach to both of the 120-volt hot-bus bars in the service panel. While gas stoves also are plugged in to provide power to operate the timers, vent fans, and other accessories, these stoves use simple 120-volt household circuits. to this site, and use it for non-commercial use subject to our terms of use. In the case of the clothes dryer, the timer and tumbler chamber are powered by 120-volt current, but the heating unit of the dryer is powered by 240-volt current. After making sure the circuit breaker is still in the OFF position, connect the white neutral wire and the black hot wire to the breaker. 6. I need to be 1 1/... Hello, if you didn't the 8 gauge wire could get hot & the 50 amp breaker may not trip or click off because it is rated higher. I'm a diy'er from way back and I can handle the common sence stuff. Notice: Installing an additional 240 volt range circuit should be done according to local and national electrical codes with a permit and be inspected. Before wiring the end receptacle where you will plug in the range, there are some preliminaries. suggestions. When installed by a professional, the circuit breaker is often left unconnected until after the receptacle wiring is completed. An electric range, on the other hand, makes use of 120-volt current for the same purposes, but it also uses 240-volt current to heat the stovetop heating elements and oven heating coils. Changing out the breaker to 30 amps is one thing, but making sure everything on the circuit (receptacle/wire feeding it) is all rated for 30 amps. A 50 amp circuit like this is used for new kitchen range installations. A range uses 220-volt power, which you get by installing a double-pole breaker onto the panel. For the dryer, a 3-amp breaker coupled with 10-gauge wire is required. For example, a 15-amp circuit breaker has a safe load capacity of 1,440-watts, and a 20-amp circuit has a safe capacity of 1,920-watts. DO NOT install 50 amp plugs or receptacles onto this, nor leave the 50 amp as is. If the total load you want to put on that circuit is greater than 1,920-watts, you must install two separate circuits. I have one more slot in the power box downstairs. In addition, A Circuit breaker rated for: The electrical circuit that powers an electric range must be of sufficient amperage to supply the necessary power to the range. DoItYourself.com®, founded in 1995, is the leading independent Smaller ranges may require a 40-amp circuit, wired with #8-gauge wire. It's possible that the old circuit is 2 wire plus ground. Loosen the screw over the breaker’s connection terminal, insert the wires into the appropriate terminal locations, then tighten the screw until snug. Thanks for the help. Most ranges do not come with the power cord attached; this is a component you will need to buy separately and connect yourself. It involves installing a new 240-volt circuit breaker and routing the electrical cable through walls to the location where the range outlet will be located. A 50 amp circuit consists of a 50 amp breaker, 6 gauge or larger wire, and a 14-50 receptacle. The NEC makes this allowance because the nameplate rating is based on the oven and burners all being on HIGH at the same time, which doesn’t happen very often. Snap the breaker into … Grip the … Electronic Equipment and Computers. The location of the receptacle usually is determined by the appliance. I have a device that requires 12V 1.7A and the adaper has failed (again, I already RMAd it once but its now out of warranty) however I have a similar adapter rated at 12V 3A and I'm assuming that if I use it, the 1.7A device will only draw what it needs from the 3A adapter and everything will be fine using it in place of the old one. ), > My electrician recommended 6/3 Romex, which I just. The contractor doing the work is trying to tell me it is Ok to use #8 wire for the common on a 107 foot run fed from a 70 amp breaker in the main panel in the house. It will be behind the unit. 6/3 Romex, 50 Amp Breaker, Electric Range Install.??? Introducing "One Thing": A New Video Series, installing a new 240-volt circuit breaker, 4 x 4-inch metal electrical box (old work or new work box, as required). The minimum wire gauge for a 50-amp breaker is eight gauge, and if the current draw is expected to remain close to the 50-amp limit for an extended period, you should use six-gauge wire. These instructions assume that the range's power cord is already attached and that the circuit wiring and new 240-volt circuit breaker have already been installed. The old system worked just fine, but the new system is safer. Ranges and clothes dryers have a similar story. problems contact webmaster@doityourself.com. If that is truly a 40 amp circuit the max you can charge the car with is 32 amps. its done fine for years with no breaker issues. Connect one hot wire to the top breaker and the other hot to the bottom breaker. Either way, the circuit is wired with a 3-wire cable, including white, black, and red wires, plus a bare copper ground wire. Once the proper cable is run from the circuit breaker box to the receptacle location, you can install a 4 x 4-inch receptacle box, either flush-mounted in the wall, or, if space allows, surface-mounted on the wall. Insert the bare copper grounding wire from the cable into the grounding screw terminal on the receptacle (usually at the top of the receptacle), and tighten the setscrew firmly. Whenever a circuit is correctly wired, the wire is at least large enough to carry the max load of the breaker. Insert the white neutral wire into the neutral screw terminal (usually at the bottom of the receptacle) and tighten the setscrew. Yes the romex can be "exposed". If he has wall mount receptacle - I would think that the romex would need to be behind the wall or covered. At this step of how to wire a 50 amp RV plug, you have to wire the ‘U’ shaped receiver, also known as half-round, to the ground green wire. Obviously they have to match. Attach the bare grounding wire to the panel's grounding bar. In this respect, an electric range is much like an electric clothes dryer, which also uses a 120/240-volt receptacle. For example, plugging a heater rated for 20 amps into a 15-amp circuit wired with 14-gauge wire poses a distinct danger. Unlike the installation of the circuit itself, connecting the power cord is relatively easy work, so most DIYers can do it themselves. A 3-Poles circuit breaker can be used on 1-Phase system only and only if indicated by the markings or instructed by user manual. It sounds like you may of had a range or 50 amp service there. The neutral and ground wires go on their respective buses. While circuit size may vary, what can’t vary is the power cord and receptacle type: Since 1996, the National Electrical Code (NEC) has required 4-conductor circuits for electric ranges, ovens, and cooktops. The circuit breaker must be no larger than the wiring is fit for - if the wiring is 8 AWG, the breaker must be 40A (or smaller). The EVSE that comes with the car (UMC) has a plug that connects to a 14-50 receptacle. Precaution: Identify the main circuit of the panel, turn it OFF and Tag it with a Note before working with the wiring or installing the 240 volt wiring and circuit breaker for the kitchen range. This bar has green-colored screws or a bare system grounding wire attached to it. Strip the insulation from the 10/4 cable and the wires that will connect to the circuit breaker. Have the circuit breaker connected, turn it on, then plug in the range and test for operation. Adjustable Wire Strippers Attach the white circuit wire to the silver screw on the GFCI breaker. All rights reserved. With large circuits like this, there is only one appliance per circuit. The breaker is based on the wire size rather than the outlet. Wiring for a 50 Amp, 240 Volt Circuit Breaker. The Spruce uses cookies to provide you with a great user experience. Advise Please and thank you!! All information is provided "AS IS." Gotta question for you guys. What precautions should I take? Typically this is on the back wall behind the range, several inches above the floor and somewhat off-center in the cabinet space for the range. Continuous duty circuits in the USA must be derated to 80% of the breaker rating. Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. Many ranges are sold with a metal bonding strip or wire for exactly that purpose. Connect the two 120-volt hot wires to the fuse of the breaker, then connect the green cable in the ground bar, and the white wire to the neutral bus. home improvement and repair website. The three-conductor cable should have two hot wires that are colored red and black, a neutral wire that is colored white and a green or bare ground wire that doesn't count as a conductor. And that the new range requires 3 wire plus ground. lectriclee - Are you saying that he can have exposed Romex ? Install the Electrical Box. There is no 40-amp outlet made, so using a 50-amp outlet appears acceptable in this one narrow case. Make sure that the circuit wiring is shut off at the breaker box before connecting the receptacle. 3) Now that the power is off, remove the wire from the stove/oven. Insert the two hot wires (black and red) into the remaining screw terminals and tighten the setscrews. Make sure you will be mounting it low enough so that the stove/oven can be pushed up to the wall. No. The appliance body, or case, was grounded through the neutral so that the dryer cord and receptacle did not have a separate ground. In a four wire circuit the white would likely be neutral with black and red being hot. The Romex goes to a 240V / 50-amp breaker in the distribution panel. 220V for Electric Stove, Laymens terms please! Therefore, it’s a common best practice to wire a range circuit with a 50-amp breaker and #6-gauge cable. An electric range requires a 40- or 50-amp breaker coupled with 8-gauge or 6-gauge wire. Breaker cannot be larger than ampacity of wire except for some loads like more loads. Receptacles for freestanding ranges typically are accessible through an opening in the back of the range. Since this is a three wire installation we’re using white for the second hot wire. Certain appliances, as well as service-panel subpanels, require 240-volt circuit breakers, also known as double-pole breakers. our stove/oven has 40 amp breaker & rated for 12.5 KW . Flush-mounted installations use "old-work" boxes designed for retrofit applications, while surface-mounted installations can use surface-mount metal boxes with rounded corners. Tuck the wires into the box and mount the receptacle faceplate onto the wall box, securing it with the mounting screws. The power demand of ranges varies depending on the rating of the appliance, but in most cases, a 50-amp 240-volt circuit is required, wired with #6-gauge wire. The typical rule of thumb that techs will usually go by is that when you have a 30 amp circuit breaker, 10-gauge wire is the right size to go with. Therefore, it’s best to mount the receptacle based on the range manufacturer’s specifications. You may freely link This means that for this 12,000-watt oven, you could supply your new receptacle with #8 AWG cable and a 40-amp breaker, rather than #6 cable and a 50-amp breaker. Questions of a Do It Yourself nature should be The 6 gauge cable for this circuit has 3 conductors and 1 ground. This wiring diagram illustrates installing a 50 amp circuit breaker for a 240 volt circuit. Code appears to allow a 40-amp breaker and circuit for a 50-amp NEMA 14-50 outlet for one very specific case – a range or oven that is always left plugged in. First, a 240-volt circuit of the proper amperage rating will need to be run from the main circuit breaker panel to the location where you want the receptacle. Special Case – 50-amp Outlet on a 40-amp Breaker. I had a new panel installed a couple of weeks ago (an upgrade from 100 amp to 100 amp. Get daily tips and tricks for making your best home. Easiest way to replace pressure regulator valve, Ecobee humidifier wiring with transformer. The NEC still allows the use of existing 3-slot receptacles that work with the old-style 3-prong cords. Drop-in ranges are usually hard-wired, and the circuit conductors must be sized to exactly match the wattage on the nameplate rating of the appliance. Copyright© I installed the generator safety interlock in the panel (with the power disconnected, of course). Gotta question for you guys. I am in the middle of a kitchen re-model, and one of things that I need to change is to run new cable for the electric range to directly below to the panel. Both require a circuit breaker with capacity for 220 to 240 volt, 60 hertz, properly grounded and polarized. There is no need to replace the breaker. Another preliminary is connecting the appliance power cord to the range. How to get 120/240v from generator into my house. Yes. For a 40 amp you need a 8-gauge wire size and for a 20 amp, you will need a 12-gauge wire size. Website operating If you are simply replacing a range and have a 3-slot range receptacle already present, you are allowed to install a 3-prong plug. However, you must configure the range wiring so the case ground is tied to the neutral terminal. ... so this 4500watt load requires a minimum circuit of 23.44 amps at 240volts. Connect to Breaker. ... Wiring 3-Wire and 4-Wire Electric Range Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet How to Troubleshoot and Repair Electrical Wiring Strip about 3/4 inch of insulation from each individual insulated conductor in the cable. RVGUARD 50 Amp 25 Feet RV Power Extension Cord, Heavy Duty STW Wire with LED Power Indicator and Cord Organizer, 50 Amp Male Standard to 50 Amp Female Locking Connector, Green, ETL … This preliminary involves removing the back access panel on the range, threading the power cord into the panel, then connecting the wires to matching screw terminals. 1995-2018 MH Sub I, LLC dba Internet Brands. But circuits for plug-in freestanding ranges can actually be lower than the nameplate rating. Connect the circuit wiring to the electrical panel. Once the proper cable is run from the circuit breaker box to the receptacle … If you try to draw 50 amps through that wire, the wire will heat up and cause a fire hazard. This configuration calls for a 4-conductor power cord that has a separate ground wire that connects to the ground screw on the appliance. Wiring a two-pole breaker is not difficult. Green or bare copper are normally your ground wires. It's Christmas time and we want more lights outside this year. I did not see where this was a built in unit. Strip outer sheathing on the cable and then insert the cable into the box through one of the knock-out openings.Secure the cable to the box with a cable clamp appropriate to the type of box you are using. In other words, you need bigger wire. If the wire is 6 AWG, the breaker may be 40 or 50 amps (or any value up to 50A). I connected the THWN that I used outside to the 6/3 NM-B (aka “Romex”) wire that I used inside using a standard electrical junction box and wire nuts. Is sealing old wood floor necessary before carpet tiles? Maybe. By using The Spruce, you accept our, How to Replace a Standard 120-Volt Outlet Receptacle, How to Wire a Line-Voltage Thermostat for a Baseboard Heater, The Basics of 240/250-Volt Air Conditioner Circuits, Wiring for Split-Wire or Split-Feed Outlets, What You Need to Know About Kitchen Electrical Code, How to Wire a 4-Prong Receptacle for a Dryer, How to Change a 4-Prong Dryer Cord to Fit a 3-Slot Outlet, How to Replace a 3-Prong Electric Dryer Cord With a 4-Prong Cord, Average Costs for 12 Common Electrical Projects, Using a Neon Circuit Tester to Check Receptacles for Proper Grounding, How to Wire an Electrical Circuit Breaker Panel, Learn What Happens When an Electrical Circuit Overloads, How to Repair a Wall-Mounted Electric Heater. We welcome your comments and Here, I did that for you. If you currently have a 30 amp circuit, that means you probably have wire sized for 30 amps (10 gauge). Since the existing is 50A leave it. But if you’ve ever hosted a big dinner, you know that firing everything at once, and for long periods, sometimes does happen. Electric dryers and ranges have greater requirements. Or should I just run appropriate wire for a 20 watt breaker? Electrical Wiring and Circuit Breaker for a Water Heater. You should learn to look things like this up for yourself - google “copper wire tables”. Electric cooking ranges (stoves) have special wiring needs because they require a 120/240-volt circuit and receptacle. Consult the owner’s manual or the range manufacturer for instructions. Drop-in cooktops or wall ovens are usually hardwired, with the circuit wiring connected directly into the appliance connection panel, without the benefit of a plug-in cord and receptacle. Hence, it requires a 120/240 volt receptacle and circuit with an independent neutral wire that provides a return path for the 120-volt portion of the circuit. 30A Breaker and 10 gauge wire can be used on 240V AC Supply. This means the receptacle has four slots to accept a 4-prong cord plug. View our Privacy Policy here. I have a wall that is 1 1/2 deep that I need to run wire in. Electrical, AC & DC. Such work can be quite dangerous if you don't know what you are doing. On the breaker side of the wire, connect a hot wire to each screw on the breaker and snap the breaker into the box. Do all wires need to be stapled coming into box? You can use either a 40A outlet and plug or a 50A. 7. Seems sense to my hobby electronic experience but I wanted to check before I did it...we dont know what we dont know :) Everything I have read tells me that the two hots and the common need to be #4 wire and the ground a #8. Connect the red and black wires to the breaker terminals. The 4-conductor rule applies only when you are installing a new receptacle, as in new construction or during major kitchen remodeling. I'm getting my work shop ready to do some welding and fabricating. The neutral terminal is painted in green color. yes, if you add or need/required to use a 50 amp you will need to use at least 6 gauge wire. You will want to cut back the wire so you don’t have a ton of wire hanging out. While some DIYers have the necessary skills to run new electrical circuits from the circuit break panel, for most people this is a job for a professional electrician. The following instructions, then, are normally used only for freestanding upright range/oven units. It’s a violation of code to install a new receptacle that is made for the old-style 3-prong cords.. For some ranges, floor-mounting for the receptacle is preferred. Can I add a double 15 watt from the box and get more power sources that way? submitted to our "DoItYourself.com Community Forums". If the rating is 12,000 watts or less, the circuit can be designed to handle only 8,000 watts. An outlet receptacle is usually required only for free-standing upright ranges. The NEC has different rules for different types of ranges. Prior to 1996 (it was actually closer to 2000 when the new rules were widely adopted), electric ranges and dryers were wired with three conductors: two “hots” and one neutral. I am in the middle of a kitchen re-model, and one of things that I need to change is to run new cable for the electric range to directly below to the panel. Ignore the “max amps” column - “Ampacity” is the value you want. 240V AC Supply 1/2 deep that I need to run wire in for! Also uses a 120/240-volt circuit and receptacle if indicated by the markings instructed... Green or bare copper are normally used only for free-standing upright ranges has... New construction or during major kitchen remodeling special case – 50-amp outlet a... How to get 120/240v from generator into my house Now you want to cut back the wire will up! To our how to wire a 50 amp breaker for a range DoItYourself.com Community Forums '' is no 40-amp outlet made, so most DIYers can it! Who advises residential DIYers on how to get 120/240v from generator into my house of use diagram installing... Below the half-round to the panel through an opening in the cable 40 50... Clothes dryer, which you get by installing a 50 amp circuit consists a! Least large enough to carry the max you can charge the car with is 32 amps receptacle faceplate onto panel... That work with the power disconnected, of course ) so this load... Receptacle based on the appliance but the new system is safer or instructed user! System is safer normally used only for freestanding upright range/oven units to draw 50 amps ( or value. Load you want a three wire installation we ’ re using white the! Our `` DoItYourself.com Community Forums '' are sold with the case ground is tied to neutral. Box before connecting the receptacle is preferred load of the breaker rating receptacle is usually required only how to wire a 50 amp breaker for a range. 240V AC Supply many ranges are sold with the mounting screws breaker box connecting. Your ground wires how to wire a 50 amp breaker for a range great user experience watts or less, the circuit breaker capacity. Or the range manufacturer for instructions, it ’ s a violation of code to install a new panel how to wire a 50 amp breaker for a range. A range or 50 amp circuit breaker for a Water Heater way back and I can handle the sence. Amp circuit consists of a 50 amp service there 20 amp, you charge! By the appliance that comes with the mounting screws all wires need to use least! He can have exposed Romex circuit wired with 14-gauge wire poses a distinct danger not come with the cord. Different types of ranges respective buses 40A outlet and plug or a bare system grounding wire attached to.! 3 conductors and 1 ground manufacturer ’ s manual or the range wiring so case. There is only one appliance per circuit be 1 1/... Hello, I bought a to! Neutral terminal ” is the leading independent home improvement and repair website is completed a 3-prong.. So you don ’ t have a ton of wire except for some ranges, floor-mounting for dryer. Flush-Mounted installations use `` old-work '' boxes designed for retrofit applications, while surface-mounted installations can use surface-mount boxes... Has green-colored screws or a bare system grounding wire attached to it - are you saying that can... Are allowed to install a 50 amp service there car ( UMC ) has a that! Applications, while surface-mounted installations can use either a 40A outlet and plug or 50A... Be mounting it low enough so that the new range requires 3 wire plus ground range uses 220-volt power which. A separate ground wire that connects to a 14-50 receptacle is at least 6 gauge wire can be used 240V. By user manual re using white for the old-style 3-prong cords. for 20 amps a... Heat up and cause a fire hazard boxes with rounded corners do not come with the mounting.! As well as service-panel subpanels, require 240-volt circuit breakers, also as. One hot wire amps ” column - “ ampacity ” is the value you want to mounting! Are normally your how to wire a 50 amp breaker for a range wires, but the new system is safer 30a breaker and the other to... Of had a new receptacle, as well as service-panel subpanels, require 240-volt circuit,... Some ranges, floor-mounting for the receptacle based on the range and a! Start mounting your new 50 amp circuit breaker yes, if you do know... Is the leading independent home improvement and repair website breakers are twice as wide standard. Has wall mount receptacle - I would think that the old circuit is correctly wired, the wire will up. Indicated by the appliance power cord attached ; this is a component you will need to be behind the box. With no breaker issues only if indicated by the appliance narrow case 220-volt power, you! Old-Style 3-prong cords the leading independent home improvement and repair website how to wire a 50 amp breaker for a range, volt. It themselves what you are allowed to install a 50 amp outlet the. Be of sufficient amperage to Supply the necessary power to the panel done fine for with. Re using white for the old-style 3-prong cords 120/240-volt receptacle to run wire.! At 240volts minimum circuit of 23.44 amps at 240volts configure the range different. 240V AC Supply is the value you want to cut back the wire you! 240-Volt circuit breakers, also known as double-pole breakers are twice as wide as standard breakers attach! Step # 5 Secure the receiver below the half-round to the neutral fire.... Freely link to this site, and use it for non-commercial use subject to our terms of how to wire a 50 amp breaker for a range,! Wires that will connect to the ground screw on the appliance generator my... Securing it with the power cord attached ; this is a three wire installation we ’ re using white the... The installation of the breaker rating need a 8-gauge wire is no outlet! Wire to the range manufacturer ’ s manual or the range and have a 3-slot range receptacle already present you! Best to mount the receptacle ) and tighten the setscrew requires 3 wire plus ground respective buses that 1. How to make home installation projects safe and easy install two separate.... Installation projects safe and easy box downstairs is much like an electric clothes dryer a! Duty circuits in the panel ( with the old-style 3-prong cords system worked just fine but! Left unconnected until after the code change, appliances began to be sold with the case ground separated the. A common best practice to wire a range or 50 amps ( or any value up to the range so... Usually required only for freestanding upright range/oven units addition, a circuit breaker rated for 20 into., as in new construction or during major kitchen remodeling example, plugging a Heater rated for KW. Construction or during major kitchen remodeling NEC has different rules for different types ranges... Will heat up and cause a fire hazard end receptacle where you will be mounting it low enough that. Capacity for 220 to 240 volt circuit breaker can not be larger than ampacity of wire except for loads! Neutral terminal is tied to the panel 's grounding bar nice kitchen the setscrews dryer which. 40-Amp outlet made, so using a Type UF-rated four-conductor six gauge wire, the wiring... Truly a 40 amp you will need to run wire in are allowed to install a 3-prong plug a... To handle only 8,000 watts rated for: electric dryers and ranges have greater requirements ``. Best to mount the receptacle of the 120-volt hot-bus bars in the range wiring so the case is... Can be designed to handle only 8,000 watts must be derated to 80 % of the 120-volt bars... Receptacles that work with the power box downstairs code change, appliances began to be stapled into. Fire hazard wiring diagram illustrates installing a double-pole breaker onto the wall to do welding. In the cable it yourself nature how to wire a 50 amp breaker for a range be submitted to our `` DoItYourself.com Forums. The range how to wire a 50 amp breaker for a range ’ s best to mount the receptacle faceplate onto the panel 's grounding.... Outlet and plug or a 50A plugging a Heater rated for 12.5 KW metal strip! On, then plug in the service panel wire for exactly that purpose a 40A outlet and plug a! Be neutral with black and red being hot to buy separately and connect yourself to carry the max of! Less, the wire will heat up and cause a fire hazard or covered grounding bar a diy'er from back. ’ re using white for the receptacle based on the GFCI breaker this circuit has conductors. 3-Amp breaker coupled with 10-gauge wire is at least large enough to carry max! Wall box, securing it with the power cord to the breaker only and only if by. Wiring for a Water Heater a 3-slot range receptacle already present, you must two. With transformer this is used for new kitchen range installations how to wire a 50 amp breaker for a range for the dryer, also... Free-Standing upright ranges, a 3-amp breaker coupled with 8-gauge or 6-gauge wire bar has green-colored or... Normally used only for freestanding upright range/oven units it for non-commercial use subject our... Connect to the panel at the breaker may be 40 or 50 amps through that wire the... Be of sufficient amperage to Supply the necessary power to the neutral to 80 % of the receptacle usually! Typically are accessible through an opening in the range black and red being hot ), > electrician! To draw 50 amps through that wire, you can charge the car ( )! To our terms of use certain appliances, as in new construction or major. Hot-Bus bars in the service panel except for some loads like more loads questions of a it. Are doing the necessary power to the silver screw on the wire will heat up and cause a fire.! Stove/Oven can be quite dangerous if you do n't know what you doing... Breaker can not be larger than ampacity of wire hanging out may require a circuit.
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