240v heater wiring

Service Manual. Dimplex Wall Mountable E Heaters Sylvane. I Have An Dimplex Euh 240v 3 Phase That Am Connecting Directly To Wires Need Know What Line L 1 2. Dimplex 720001 Electric Baseboard Heater User Guide Manuals. 096513 23 Circuit Diagram Changed T0230 Intro With Xls12 18 Stat Change Indd. Dimplex Df2600 Mor …

240v heater wiring. • The water heater and electrical supply are properly grounded. Figures 3, 4, and 5 are provided as reference drawings for the 120/240v 2-wire models only. Always reference the wiring diagram located on the water heater for the correct electrical connections and connect the electrical supply to the water heater in accordance with local utility

Set the housing in the wall and run your 12-5 wire through rubber conduit in the interior wall or sauna panel between the heater and the control panel area. If using the conduit, leave about 2' of rubber conduit coming out of the wall below the sauna heater. This will house only the 12 gauge wire not the 8 gauge wire.

Refer to the total amps for the heater. Base the wire selection on this number. The wire size should be xx/2 WITH GROUND. Try to get wire with black and red conductors for 220 volts. If the wires are black and white the white wire MUST be pemantly marked red or black. Black and white conductors ar ok for 120 volt.Fahrenheat Double 22a At 120 240v Electric Baseboard Heater Thermostat Md26r Com. Fahrenheat White Single 22a At 120 277v Ac Electric Baseboard Heater Thermostat Do It Best World S Largest Hardware. Cadet 60 In 240 208 Volt 1 250 937 Watt Electric Baseboard Heater White 5f1250w.240V 1000W 240V 1000W 240V 1000W 240V 1000W 240V 1000W 240V 1000W 240V 1000W HOW TO WIRE DUAL VOLTAGE BANDS 240 VOLT TAPE-UP DON'T USE 240V 120 VOLTS 240 VOLTS CAUTION: follow equipment manufacturers instructions when working on any electrical items, (wiring, controls, heater bands, cartridge heaters, etc.,.) Don't Use Single Color 240 VOLTS ...From https://www.justanswer.com/ythiJustAnswer Customer: I'm wiring multiple 240v baseboard heaters in parallel with a wall thermostat using 10/2 romex and a...Wiring a 240v sauna heater is an essential step in creating a cozy and relaxing sauna experience. Saunas are known for their health benefits, such as improved blood circulation, detoxification, and stress relief. To achieve these benefits, it is important to properly wire the sauna heater to ensure it functions safely and efficiently. ...7500 Watt Garage Heater And Remote Thermostat Wiring Doityourself Com Community Forums. Garage Heater Installation A Diy Guide Home Improvement. Switching 240v 5kw Garage Heater Heating Help The Wall. Electric Water Heater Wiring Electrical Inspections Internachi Forum. Comfort Zone Cz230er Thermostat Wiring The Garage JournalBuy Comfort Zone Hard-Wired Ceiling Mount Garage Space Heater with Remote, 7,500 Watt, 240 Volt, Fan-Forced, Overheat Protection, Digital Thermostat, 12-Hour Timer, Ideal for Garage & Workshop, CZ230ER: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchases Step 3: Connect the supply grounding wire to the green grounding screw. Step 4: If not already present, route supply wire from the circuit breaker to the thermostat wiring box, and then to the heater. Step 5: In the thermostat wiring box, connect the ground wire coming from the circuit breaker to the ground wire.

Buy Comfort Zone Hard-Wired Ceiling Mount Garage Space Heater with Remote, 7,500 Watt, 240 Volt, Fan-Forced, Overheat Protection, Digital Thermostat, 12-Hour Timer, Ideal for Garage & Workshop, CZ230ER: Everything Else - Amazon.com FREE DELIVERY possible on eligible purchasesGenerally, if it's set up to be one 240V circuit it will be run in 3 wire romex. The wire going to the heater is 120v, you can't get 220/240 to ...You can’t wire a 240V appliance or circuit without identifying the correct wire size. Fortunately, the guide below has all the information you need. What Size Wire Do I …Dayton Portable Electric Jobsite Garage Heater 3kw 4kw Watt Output 3vu34 Grainger. Wiring A 3 Phase 208 Volt Heater. King Gh2407tb 240 Volt 7500 Watt Garage Heater In Gray Installation Guide Manualzz. Cadet 240 Volt 4 000 Watt Garage Work Fan Forced Electric Heater In Grey With Built Thermostat Cgwh4031g.Watch Steve from Cadet tech support install a wall heater. • Cut a hole in the wall next to a stud. • Locate or route electric supply wires. • Install the wall can. • Wire connections. • Install the grill.A 240-volt circuit has two hot wires and an equipment ground, which is a safe path for unintentional current to dissipate. A 120/240-volt circuit has two hots, a ground and a …Amazon.com : VEVOR Electric Pool Heater 11KW 240V Swimming Pool Electric Heater Water Bath Heater Electric Digital fit for Thermostat, fit for Max 1981 Gallon Pool Equipment,Note: ... "Inexpensive, checking the internal wiring is fairly easy. Must have 6ga 3 wire cable from a 50a 220v connection...." Read more "...Maintains 85 degrees in a 18 ...

What are the instructions for 240 Volt heater wiring? Route the supply wires properly before mounting the heater. You’ll need to connect the hot wires to the heater wires …Now in case of 240V AC, a 30A circuit breaker is suitable for both wires having 10 gauge size as followed by the following calculations. Total wattage: 10kW / 2 = 5kW. Load Current = 5kW / 240V = 20.83A. Breaker Size should be 1.25 (125%) of the load current: 20.83 x 1.25 = 26A.Step 1: Gather your materials. To wire a 240 volt wall heater, you will need the following materials: A 240 volt wall heater. A 240 volt outlet. A 240 volt extension cord. A 240 volt …Vevor makes a good sauna, but everything is metric and the instructions aren’t quite clear. The reviews online talk about how difficult it is to wire, and I ...Vevor makes a good sauna, but everything is metric and the instructions aren’t quite clear. The reviews online talk about how difficult it is to wire, and I ...Apr 24, 2012 ... A BLACK and WHITE wire will be there from the 1st heater, and a BLACK and WHITE wire from the next (2nd) heater via a length of wire. I imagine ...

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Refer to the total amps for the heater. Base the wire selection on this number. The wire size should be xx/2 WITH GROUND. Try to get wire with black and red conductors for 220 volts. If the wires are black and white the white wire MUST be pemantly marked red or black. Black and white conductors ar ok for 120 volt.Page 2. STEP 1. Mounting of Cove Heater. “EXAMPLE HEATER MODEL C7512C”. • Using the mounting bracket template, select the correct mounting distance from the ceiling or chalk line for the end brackets. (Note: heaters must maintain a 6 feet clearance to the floor.) • Mark first end bracket location. Page 3.20kW 240V tankless electric heater requires two 8/2 AWG copper wires. Basically, the amp draw is 83.33 amps, and two 8 AWG copper wires have a combined ampacity of 100 amps (more than 83.33A). Here is the full chart of what size and how many copper wires you need for 240V electric tankless heaters): Tankless Water Heater Wire Size Chart (240V):The wiring should be installed into the baseboard heater using a . Mar 29, · 5 videos Play all Electric baseboard wiring – Heater Alex Hamp The Secret to Getting a Perfect Paint Finish with no Brush Marks – Duration: seejanedrill , views. Multi-watt baseboard heater right or left wiring V or V supply. Connect one supply wire to the upper ...20kW 240V tankless electric heater requires two 8/2 AWG copper wires. Basically, the amp draw is 83.33 amps, and two 8 AWG copper wires have a combined ampacity of 100 amps (more than 83.33A). Here is the full chart of what size and how many copper wires you need for 240V electric tankless heaters): Tankless Water Heater Wire Size Chart (240V):

Wiring a hot water heater for 240v can be a daunting task, but with the help of the right tools and diagrams, the process can be made much easier. First, you'll need a junction box, breaker, and electric heater diagram. The breaker protects your electrical system in case of an overload or fault. Next, the electric heater must be connected to ... Step 5. Wrap black electrical tape around the white wire from the service panel to indicate that it is hot. Splice it to one half of the thermostat wire, and splice the black wire from the service panel to the other half. Splice the other ends of the thermostat wires to the heating elements. Consult the manufacturer's directions to verify the ... Set the housing in the wall and run your 12-5 wire through rubber conduit in the interior wall or sauna panel between the heater and the control panel area. If using the conduit, leave about 2' of rubber conduit coming out of the wall below the sauna heater. This will house only the 12 gauge wire not the 8 gauge wire.Identify the three supply wires – L1, L2, and L3 – coming from the electrical panel. These wires will be responsible for providing the power to the heater. Connect the L1 wire to the L1 terminal on the heater terminal block. Likewise, connect the L2 and L3 wires to their respective terminals.Nichrome wire is used as a heating element because it is very stable, even at high temperatures. Unlike other metals, it will not melt even when generating large amounts of heat. I...Loads are generally connected in parallel across the 240 Volt mains. The 1500 Watt heater draws 1500/240 = 6.25 Amps and the 2000 Watt heater draws 2000/240 = 8.33 Amps. Together these loads draw 6.25 + 8.33 = 14.58 Amps, which can safely be serviced by a 20 Amp breaker and 12/2 wiring, provided nothing else is connected to …The key is the wire: 15A = 14 AWG or larger; 20A = 12 AWG or larger; 30A = 10 AWG or larger; Since most residential circuits (except oven, HVAC, water heater, dryer, EV charger) are 15A or 20A, the 14 AWG and 12 AWG are the "standard" wires and, more importantly (if OK in your area), cables. In fact, you can use the a standard 2-wire (plus ...Electricians generally install 240-volt heaters since they use lower amperage and are more energy-efficient than 120-volt heaters. Adding a 240-volt baseboard heater usually …Cap with a wire nut. Ground the metal junction box. Twist the two ground wires together and attach them to the box with a screw. Put the cover on the box. Remove 1" of insulation from the three wires in the heater junction box. Connect each black heater wire to a black supply wire.What is an electric heater and how it works? See the illustration and basic principles of this device that has been around for many decades to keep you warm during winter. Expert A...That is just to say, don't be afraid to answer for educational purposes. The unit consists of a wall-mounted controller (outside of sauna) and the heater itself + temperature sensor, inside the sauna. The controller is supplied with 240v and contains the relay and PCB/controls to turn on the unit. Upon turning on the unit, obviously the heater ...Thomas with Cadet Tech Support shows you how to install the BTF, single-pole, built-in thermostat on a 240-volt electric baseboard heater.More FAQ's and trou...

To help you get started, we’ve put together a guide on cadet 240v baseboard heater wiring diagram. The first thing to consider when wiring a baseboard heater is the type of voltage you’ll be working with. While 120V is the standard for baseboard heaters, some models require more power and use 240V instead. ...

Propane heaters can make cold winter nights a lot more bearable. Here's a list of some of the best indoor and outdoor propane heaters to keep you warm this winter season. If you bu...New England life. 669 subscribers. Subscribed. 141. 12K views 1 year ago. Today I install a 240v electric wall heater from Cadet. Installation is actually pretty easy. This little thing...Identify the three supply wires – L1, L2, and L3 – coming from the electrical panel. These wires will be responsible for providing the power to the heater. Connect the L1 wire to the L1 terminal on the heater terminal block. Likewise, connect the L2 and L3 wires to their respective terminals.Page 2. STEP 1. Mounting of Cove Heater. “EXAMPLE HEATER MODEL C7512C”. • Using the mounting bracket template, select the correct mounting distance from the ceiling or chalk line for the end brackets. (Note: heaters must maintain a 6 feet clearance to the floor.) • Mark first end bracket location. Page 3.Assuming you are referring to a standard 240v heater: To wire a 240v heater, you will need 2 hot wires and a ground wire. The ground wire will be connected to the green screw on the heater. The 2 hot wires will be connected to the black and red screws on the heater. If you are using 14/2 wire, the black wire will be the hot wire and ...Many apartments are using electric baseboard heaters for heat in apartments. Here is how to hook up a 240 volt one. Skip to 4 min to just see wiring!After ma...Mar 1, 2021 ... as the thermostat needs 240V i imagine you'd use both hots as feed to the stat. then the other 2 wires will be from boiler (IN) and back to ...

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Nov 8, 2023 ... Following on from my Chinese Diesel Heater Build Video, I take things a step further and show you how to wire your heater for use in your ...Diagram wiring heater baseboard dimplex thermostat garage 5000w electric smart 240v volt bypass electrical purchased switch off single panel justanswerWiring diagram heater modine baseboard reznor heaters 240v thermostat Baseboard heater thermostat installingBaseboard wiring heater marley thermostat pole …To be able to operate 120v and 240v on the same "multiwire branch circuit" you need 4 wires, which is two opposing 120v hot wires, a neutral, and a ground. The two opposing 120v wires would provide the 240v for the heater, and either of those hots (or each hot separately) could be used with the neutral to provide 120v.Here's a little walk through of how to wire up a 240 Volt heater. The wattage can be changed if you wire it up correctly. Here's How!!! Thanks For Watching!Wiring A 240V Heater. Continuous wiring connection of 230v single phase water heater is same as above for 240v where the only difference is that l1 and l2 are. I am not much for home wiring projects so i was a little intimidated by trying to wire in a 240 volt heater. If you have a larger space to heat or a higher wattage, the 240v is likely ...Shop toule sauna heater 3kw/240v with on-heater digital cotnrol panelHeater wiring tylo Sauna heater wiring diagramWiring sauna. Heater toule 3kw 240v etlHow do i connect my sauna heater Coasts heater sauna 240v 6kw unbSauna wiring. electrical - Help with sauna heater wiring diagram - Home Improvement. Check Details. Heater …240v 40 amp garage heater wiring. Jump to Latest Follow 20K views 7 replies 7 participants last post by handyman78 Dec 13, 2008. D. dhgarage Discussion starter 2 posts · Joined 2008 Add to quote; Only show this user #1 · Dec 12, 2008. I'm installing a 240V 40A electric garage heater. I expected to wire 2 hot (blk/red), neutral …In this video I am installing a new Dyna-Glo EG7500DGC 240 volt Electric Heater. We review how to mount and connect it as well as comparing it to my much old... ….

The is the Rheem Performance 36 kw Self-Modulating 7.03 GPM Tankless Electric Water Heater.THE STUFF YOU NEED FOR THIS INSTALLRheem Hot Water Heater Electric...Cadet 48 1000w 240v Electric Baseboard Heater At Menards. Installation Instructions Step 2 Baseboard Wiring Continued Cadet 8f2000 User Manual Page 4 12. Cadet 30 In 500 Watt 240 Volt Electric Baseboard Heater White Installation Guide. Ping add thermostat to baseboard heater big off 64 page 5 of cadet electric 4f1000 user guide manualsonline ...To illustrate how to size a water heater wire, let’s look at this simple example: Let’s say you have a 50-gallon water heater. All 50-gallon water heaters use 4500 watt 240V heaters that draw 18.8 amps of electric current. What size wire do you need for this 50-gallon water heater? You just have to consult the AWG wire ampacity chart here ... 1. So I'm planning on wiring in three 240v cove heaters in my master bedroom and bathroom (on two separate thermostats). I've read through the manufacturer installation instructions, as well as information regarding the NEC standards for installation, and I just want to make sure I have everything correct. Here's my diagram of what I'm planning ... Jan 22, 2019 · The cable will have ground and two hot wires, we'll call them black and red. The "red" wire may be the white wire taped red, or even taped black. Doesn't matter which. Red and black come from the panel, stop at heater 1, and continue to heater 2. At heater 2, they terminate with red and black on opposite poles of the heater. A 3 prong 240V plug wiring diagram is a visual representation of how to properly connect a 240V plug with three prongs to an electrical outlet. This type of plug is commonly used for high-powered appliances and equipment that require a 240V power supply. The diagram typically shows three prongs labeled as hot, neutral, and ground.The Dyna-Glo 4800W Electric Garage Heater is the ideal heating solution for your garage, warehouse, or workshop with its 2 heat settings, convenient space-saving ceiling-mount, and adjustable thermostat. Portable, lightweight and easy to carry, the EG4800DG provides 16,380 BTUs while efficiently heating areas up 400 sq. ft. To ensure safety this heater …Oct 22, 2021 ... Your browser can't play this video. Learn more.For the second part: clothes dryers often have 240 V heaters and 120 V motors. Stoves use 240 V for the elements and 120 V for the light bulbs. These are both plug-in and need the neutral. My new electric hot-water heater is 240 V, not plug-in, and uses the old 120 V wiring.Dec 10, 2007. #1. I just received a trouble call from a client that states the baseboard heater in her residence is only putting out marginal heat even with the thermostat set at 90 degrees. It has always been this way according to her. Aside from the heater being bad, my first inclination is that the heater was wired at 120v instead of 240v. 240v heater wiring, Water Heater Wiring, How to Wire a New Water Heater, or Replacement Water Heater, and How to Make the Wiring Connections, Hook up the wires, and check the ..., European and rest-of-world heaters are all 230/240V, because everything there is 230/240V. Most will tolerate 240V because they're built to be compatible with the UK and some Asian nations which are 240V rather than 230V. Unlike us, they have 240V between hot and neutral. They use brown for hot, and blue for neutral., To be able to operate 120v and 240v on the same "multiwire branch circuit" you need 4 wires, which is two opposing 120v hot wires, a neutral, and a ground. The two opposing 120v wires would provide the 240v for the heater, and either of those hots (or each hot separately) could be used with the neutral to provide 120v., Mar 28, 2023 ... how to wire a 240 volt baseboard electric heater with its self contained thermostat that is bought separately refer to instructions it is a ..., If the heater DRAWS 30A, you need 30/0.8==30*1.25==37.5A due to derating, so a 40A breaker and 8 gauge copper.. If the heater nameplate specifies a breaker of 30A, 30A and 10 gauge copper.And it will draw 24A or less.. A double breaker is a breaker for 240V loads (USA/Canada system) and a 240V 30A load needs a 240V …, Cadet 240v baseboard heater wiring diagramKing electric Im wiring multiple 240v baseboard heaters in parallel withBaseboard wiring heater marley thermostat pole heaters relay hydronic fahrenheat series cadet rib baseboards diagramweb line schematron., In this video, How To Install A 5000 Watt Garage Heater! [COMPLETE INSTALLATION AND WIRING TUTORIAL]I am going to walk you through every aspect of installing..., Now in case of 240V AC, a 30A circuit breaker is suitable for both wires having 10 gauge size as followed by the following calculations. Total wattage: 10kW / 2 = 5kW. Load Current = 5kW / 240V = 20.83A. Breaker Size should be 1.25 (125%) of …, 230V Simultaneous Wiring. Continuous Wiring connection of 230V single phase water heater is same as above for 240V where the only difference is that L1 and L2 are indicated by Line and Neutral Wires. Circuit Breaker, Current and Switch Rating: In case of 240V AC supply: Total wattage = 9kW Watts. Load Current = 9kW / 240V = 37.5A., Now in case of 240V AC, a 30A circuit breaker is suitable for both wires having 10 gauge size as followed by the following calculations. Total wattage: 10kW / 2 = 5kW. Load Current = 5kW / 240V = 20.83A. Breaker Size should be 1.25 (125%) of the load current: 20.83 x 1.25 = 26A., Nov 28, 2022 ... ... Heater https://amzn.to/3OGITkQ Breaker 2-Pole 40 Amp 120/240 Volt AC Homeline https://amzn.to/3F7OUE2 25ft Electrical Conduit Kit,with 5 ..., Wiring A 240V Heater. Continuous wiring connection of 230v single phase water heater is same as above for 240v where the only difference is that l1 and l2 are. I am not much for home wiring projects so i was a little intimidated by trying to wire in a 240 volt heater. If you have a larger space to heat or a higher wattage, the 240v ..., Since usually our electric heaters are 240V and require two hot wires, it's common for an electrician to run conventional 12-2 NM plastic electrical cable or BX armored cable to the heater. ... Connecting a 120 Volt heater to a 240 Volt circuit will destroy the heater, could cause fire damage, personal injury or death, and, voids all warranties ..., The wiring essentials for 240V heaters are different from those for 120V heaters. 240V heaters require a dedicated circuit that is wired to a 2-Pole circuit breaker. The wiring must be sized according to the wattage of the heater, and it should be able to handle the current flow. 14-gauge wire is usually sufficient for heaters of up to 1,800 ..., To illustrate how to size a water heater wire, let’s look at this simple example: Let’s say you have a 50-gallon water heater. All 50-gallon water heaters use 4500 watt 240V heaters that draw 18.8 amps of electric current. What size wire do you need for this 50-gallon water heater? You just have to consult the AWG wire ampacity chart here ..., But on occasion, you get a piece of equipment, such as a water heater, clothes dryer, lab power supply, that requires 240V. This is usually because it needs so much power that the current needed at 120V would be much too great for normal wiring, but by doubling the voltage, you can halve the current needed for the same power., Apr 22, 2017 ... Many people are surprised that we use a 2 conductor wire for that and not a 3 conductor. The reason for this is that items that use only 240v do ..., A 3 prong 240V plug wiring diagram is a visual representation of how to properly connect a 240V plug with three prongs to an electrical outlet. This type of plug is commonly used for high-powered appliances and equipment that require a 240V power supply. The diagram typically shows three prongs labeled as hot, neutral, and ground., 120 240v Household Water Heater Installed And Working School Bus Conversion Resources. Atmor Thermopro 18kw 240 Volt 3 7 Gpm Stainless Steel Digital Tankless Electric Water Heater With Self Modulating Technology Com. How To Wire Water Heater. Rheem Electric Tankless Water Heater 208 240 Volt 18 000 W 75 A 1 Phase …, Each heater can draw 12.5 amps with both elements on. Since it's a continuous load, I derated to get 16.25 amps. There are 2 20-amp double pole GFCI breakers in the sub panel, one for each heater. Wiring runs from the subpanel to a switch box, with two duplex switches. From the switch box, 7 wires (four black, two red, one …, Step-by-Step Guide to Wiring a 240V Outlet Understanding Wiring Configurations. When wiring a 240-volt outlet, it’s crucial to understand the different configurations. There are various types of 240-volt outlets, including NEMA 6-20, NEMA 10-30, and NEMA 14-50. Each type has specific wiring requirements., The heating element connects to the power supply and the thermostat, completing the electrical circuit. Understanding the wiring diagram is crucial for the correct installation of a 240 volt heater. It helps you identify the necessary wires, connections, and components, ensuring a safe and efficient operation., Oct 28, 2022 ... wiring a 240 volt thermostat for electric baseboard heater consult with codes before doing electrical work., Step 11: Connect the green or bare copper wire from the heater to the ground wire in the outlet using a wire nut. Step 12: Replace the cover plate on the outlet. Step 13: Turn on the power to the outlet at the breaker panel. Your 240 …, The wattage is 2548/240V=10.61 amps sorry you cannot put 2 on 1 circuit you are limited by code to 16 amps on a 20 amp circuit. This is why most are wired with 10 awg then 2 would be ok on a 30 amp circuit if listed most were. You would need to pull a second circuit for the second heater. They are 240v., Push the Green, White, and Red Wires Into the Box. The wiring connection part of the project is now finished. Carefully push the green, white, and red wires back into the box. The farther back you can shove the wires, the better. This will give you more room to fit the body of the thermostat., Dec 31, 2019 · The orange (a Normally Open) wire from the relay connects to the red (or white, flag it red if so) wire going off to the heater; The brown (the other Normally Open) wire from the relay then connects to the black wire going off to the heater; The red/yellow (3-WAY) wire on the timer (if present) is left insulated/unused , ALDES ‎99 023 Specification Sheet. Page 1 Page 2 ф COMFORT ZONE CZ230E Installation MOUNTING THE BRACKET HEAVY DUTY 7500W ELECTRIC UTILITY HEATER DESCRIPTION Electric utility heaters are designed to meet a variety of heating requirements Heat output ranges from to 21 331 BTUs per hour to 25 589 BTUs per hour …, European and rest-of-world heaters are all 230/240V, because everything there is 230/240V. Most will tolerate 240V because they're built to be compatible with the UK and some Asian nations which are 240V rather than 230V. Unlike us, they have 240V between hot and neutral. They use brown for hot, and blue for neutral., Feb 28, 2017 ... Comments64 · How to Wire A Hot Tub Spa 240v 50amp | DIY Electrical Wiring | Did I Wire It Correctly? · Harvia - The Wall - installling the heater., Here's a little walk through of how to wire up a 240 Volt heater. The wattage can be changed if you wire it up correctly. Here's How!!!Thanks For Watching!..., To be able to operate 120v and 240v on the same "multiwire branch circuit" you need 4 wires, which is two opposing 120v hot wires, a neutral, and a ground. The two opposing 120v wires would provide the 240v for the heater, and either of those hots (or each hot separately) could be used with the neutral to provide 120v., The wiring essentials for 240V heaters are different from those for 120V heaters. 240V heaters require a dedicated circuit that is wired to a 2-Pole circuit breaker. The wiring must be sized according to the wattage of the heater, and it should be able to handle the current flow. 14-gauge wire is usually sufficient for heaters of up to 1,800 ...