3 phase air compressors are provided by several suppliers and companies, different manufacturers, and a lot of Distributers and there are a lot of 3 phase air compressors for sale on Linquip. If you have a three-phase compressor and you only have access to single-phase power, well help you wire it so you can keep using your machine. 105K views 5 years ago How To Install In this video, we review how pressure switches work in turning pumps on and off, and discuss how to wire a pressure switch. Sounds kind of obvious but I am really not in to getting zapped so I don't mind looking stupid here LOL! Hi Chandler, The motor is a 230 volt 3.2 hp will i need to use a 30 amp circuit breaker with #10 wire? Also, the three electric winding systems are less current; and this protects the operation of the winding to prevent premature failures and expensive repairs. Brake Light And Turn Signal Wiring Diagram System Ceiling Fan Light Pull Switch Wiring Diagram Singl Wiring Diagram Car Trailer Lights Kit Home Depot D Leviton Single Pole Light Switch Wiring Diagram 30 Wiring Diagram For Seven Way Trailer Plug 1883 Show, 2006 Dodge Ram 2500 Tipm Wiring Diagram Online Games. The phase conversion needs to be very conservative due to the high demand during the startup of air compressors and at full load. Wiring Diagram For Thermostat And Transformer Pane 2003 Dodge Ram 1500 Engine Wiring Diagram System R 2007 Dodge Ram 1500 Alternator Wiring Diagram 1 Wiring Diagram For Ezgo Golf Cartridges Hp Deskjet Wiring Diagram For 7 Pin Trailer Hitch Mount Box. I'm sure I will have more questions to pick your brains with! Web perfect wiring diagram for 220 volt air compressor three phase air. Web air compressor wiring the garage journal qpseries 2 stage compressors desiccant compressed air dryer qbp series quincy compressor single stage er. A user adds a compressed air to the unit and rushes it into the device for mechanical motion. 3phase Air Compressor Wire Connection,how to wire 3 phase air. The MDR3 (USA) Pressure switch from Condor USA. The compressor must be on a dedicated circuit controlled by a double-pole breaker with the amperage rating specified on the label affixed to the compressor. An electrical service then must have either three phase-230 volts or three phase-460 volts for the shop where the motor is to be mounted. So, follow us to get more about it. From within the compressor, three electrical connections should be connected to the housing. Until the storage tank is densely filled with air molecules, the engine forces the compressor into the machine outside the air. You are required to do some pre-work for making the connection to the single-phase power. Double-Check The Power Source 3. Then, an electrical service panel, like electric engines, should be fitted with a label that is either attached to the cover or inside the door. Step 5: Replace the Cover and Test the Unit. HC69ES1Z4060, Pressure Switch 69ES 3 HP 40/60. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". Begin to disconnect the old wiring. Single-phase control is also referred to as split-phase power. As one type of 3 phase air compressor, the 3hp 3 phase air compressor is an advanced machine made to meet the ever-increasing requirements of the customers. Before putting in or changing electrical wiring, one must have got the proper amp rating for all circuits. I want to make sure I don't use too small of a gauge wire causing it to overheat. Since it was wired this way, can I just leave the reds pigtailed together (removing the now useless third wire), and un-pigtail the black and white and run them to the load and line on the GFCI as usual? The LF18 is available with an unloader valve which prevents the compressor from starting underload. Web this is a short video on how to wire a pressure switch on an electric air compressor. Does the motors voltage dictate the breaker size? Wiring Electrical Control Relays How to wire control relays for equipment such as Generators, Air Conditioners, Heating Furnace, and other high demand equipment. DISCLAIMER: Only licensed electricians should wire pressure switches/pumps.For more information, or to purchase a pressure switch, please visit: https://www.rainbrothers.com/store/Pressure-Tanks-\u0026-Accessories-c143938306Please like and subscribe!Thanks so much for watching! If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due. Safety Tips When Wiring the Pressure Controller. Rated for applications between 135-175 psig. Attach the pump motor wires to the two terminals in the center marked "M" or "Load" (T1/T2). Web setting your air pressor pressure switch. Then slide it in place and heat it up to shrink it. Am I able to do this using a multi-meter (reads both AC & DC as well as Ohms)?.and if so, then what's the proper procedure for connecting my test leads and what are the physical objects/items that I should be connecting them to? Float Switches Manual Motor Starters Water Pump Pressure Switches Air Compressor Switches View All . Compare. An Essential Product of Using Industrial Tools Is a Three-Phase Air Compressor. Feed wires from the pump motor and main power supply through the openings on either side of the switch. Step 2: Find the Wires at the Pressure Switch. 8.6K views 11 months ago In this video I will show you how to set up a 3 phase air compressor wire connection. GLW MDR-F MDR1 MDR11 MDR3 MDR3 RA/RU MDR4S MDR53 MDR5 Unloader valve Float switch (PSN) Even if they did fit, single-phase power would be insufficient to turn on your equipment. Three-conductor cable includes two hot wires, a neutral and a ground, but you may not need the neutral. The rotary phase converter is the most common. Your bare wire will be attached to the green screw on the switch, the white on one side of the switch and the black on the other side. All information is provided "AS IS." If your air compressor requires three-phase power and you only have single-phase outlets available, you can wire your machine towork but you must meet a few basic requirements. I am probably making more of this than is needed, I just really don't want to fry myself. Water 72. Web auto restart pump control 220 3089 pressure switch help wiring an air compressor diy install a square d m1 30 50 psi w wire 220v home 110vac from 220vac. It helps maintain a proper level of pressure inside a compressor by turning it on and off. SWP60602. PRESSURE SWITCH 69ES 3 HP 20/40. What is Air Compressor? Today, we are going to give a basic yet clear description of the 3 phase air compressor in this new article at Linquip. The black wire should be connected to ground. ), 2022 Quincy Compressor. 3 Phase Air Compressor Pressure Switch Wiring Diagram, Learn How to Design schematics and diagram, 2006 Dodge Charger Alternator Wiring Diagram. Some compressors have only two LINE terminals and a ground. Sometimes, even if you shut off power, some cabling can be connected to another circuit & hence may still pose a danger of electric surprise. Application of these Web electric fuel pump and oil pressure switch wiring nastyz28 com. Web and instructions extreme outback extremeaire pressor installation jeep air pressure switch page 1 home mechanics pistonhe uk i m rebuilding an old is a 5 hp 15. The machine creates a steady power supply for the hard-working compressor motor which would come up against a single-phase motor. Step 2 Shut off the main circuit breaker. The LF18 3 Phase air compressor pressure switch is designed to regulate tank pressure between two preset values on a three phase electrically driven air compressor. Read the particular schematic like the roadmap. 3 Phase Air Compressor Pressure Switch Wiring Diagram Source: i.ebayimg.com But there is a difference between the three phases and the single-phase air compressors. But you might want to know about other types and its sale procedure. Place it close to the circuit breaker. 3-phase; Switching capacity: 7.5 (11) kW / 20 HP; Available with overload relay; Max cut-out pressure: 35 bar . What is Air Compressors & How Does it Works? How To Wire A 3 Phase Air Compressor Weldingweb Welding Community For Pros And Enthusiasts Magnetic Switch For Air Compressor Question Downeast Boat Forum Installing The Magnetic Starter Electrical Contactor Connection And Wiring 1 Bbe I Purchased A Baldor L1430t Single Phase 5 Hp Motor To Replace 3 On An Ingersall Rand Compressor The steady moving power to the motor of the compressor ensures the system remains in a steady-state; as with single-phase control, the motor does not need to be turned on and off. Contact Us Today or Call: 1-800-345-8207. The compressor . Special Application 41. Stripping The Wires 9. Once the power is off, you can begin wiring your two-stage air compressor according to the following diagram: Attach one end of the black wire to one of the hot terminals on the pressure switch (typically marked "L1"). Pressure Switch Compressor Base Magnetic Starter Motor Connect power to the magnetic starter through the knock-out plug in the top of the starter The magnetic starter is a large relay that switches high current from the main power line in response to a sig-nal from the pressure switch. I read an earlier thread that seem to think a 220 breaker would be the min and 230 being reccomened the same for the wire. I forgot to ask is there a sure fire way to make sure the panel box is completely off when I do go into it to make the addition? If the motor is already wired for 240 volts, and your switch is rated at 240 volts, you need to determine the amperage of the motor to determine the size of wire. . Attach the power supply from the main breaker to the outside terminals marked "Line" (L1/L2). Attach the ground wire to the green ground screw. Step 4: Connect the Cords to the Terminals. .Apr 23, 2020. The main switch needs to be turned off. So then wouldn't I want to treat the pressure switch like a simple toggle switch like I did in the first picture? This means that the lowest pressure that the switch can be set to close at is 40 PSI, and the highest pressure it can be set to open at is 250 PSI. Efficiency and productivity: High-quality air (oil-less 0 air class and -40 C PDP) safeguards secure, low maintenance and long-life downstream equipment. Web three phase air compressor pressure switch with blanking plugs&safety. A pressure switch works because when pressure has reached the amount it has been set for, the contacts will open and the coil will de-energize and the contactor will not allow the compressor to have power, correct? 1 57. 3 Phase Air Compressor Pressure Switch Wiring Diagram Wiring Diagram from wiringdiagram.2bitboer.com. To operate this type of compressor, a home hobbyist or small business will have to install three-phase power systems in its working space. The compressors are supplied with the electrical alternating current (AC) for the motor, equivalent to power from a standard wall outlet; but a 3-phase compressor must have three electrical offset pulses for a specific AC supply. 2022 Author: trasportifunebri. Web the main switch needs to be turned off. It has a larger tank and a larger, more powerful motor to fill it. I have a buddys air compressor to hook up, and have a question regarding the wiring to to pressure switch. There is an identical screw for the new ground just opposite the motors prewired green ground. You'll typically need three short strands of wire of the recommended gauge one black, one white and one green or bare for the ground. I need to protect a couple of computers in my old house from surges/spikes To properly read a cabling diagram, one has to know how the components within the method operate. DoItYourself.com, founded in 1995, is the leading independent Grounding provides the safe path with regard to extra electric energy in order to pass in case of a fault or any additional issue. This diagram shows how to connect 3-Phase Portable Air Compressor wiring. A green ground a black wire and a white wire wired into the pressure switch via spade type connectors. Once the 3 phase air compressor is converted into operating systems with only single phased control, many customers tend to find a reliable solution at a reasonably low cost. Run 3-conductor cable of the proper gauge from the panel to an outlet box situated as close to the compressor as possible. A 3 phase compressor is an air-conditioning machine that produces energy to attach air devices, such as grinders or nail weapons, in the storage tank. KT. KT. Web perfect wiring diagram for 220 volt air compressor three phase air. I forgot to ask is there a sure fire way to make sure the panel box is completely off when I do go into it to make the addition? These compressors may be used for a variety of compressed air application up to 250 PSIG (17.5 kg/cm). Type 30 Reciprocating 80-Gal. Web the main switch needs to be turned off. Home > Compressor > 3 phase air compressor: what is it and how to wire it. It may also include notations to indicate the type of connection, such as whether it is a splice, a latitude joining, Wiring Diagram For Air Compressor Pressure Switch Installation Instructions, Wiring Diagram For Honeywell Wifi Thermostat Model Numbers Explained, Wiring Diagram For Rheem Electric Water Heater Control Boards, Dodge Ram Backup Camera Wiring Diagram Instructions - Manual, Wiring Diagram For Light Switch With Relayhealth Army Base, Wiring Diagram Ceiling Fan Double Switch 3 Module 2.0, Wiring Diagram For Ceiling Lights On A Switch Cover. Any help will be greatly appreciated! Three-Phase Air Compressor Wiring Systems It is impossible to take three-phase air compressor wiring and connect it directly to a single-phase panel they are incompatible. Remove all the air in the compressor tank. Air Compressor Compressor Wiring Diagram Single Phase For Your Needs, Pressure Switch Air Compressor Wiring Diagram 240V Database, Air Compressor Pressure Switch Wiring Diagram Collection, Square D Air Compressor Pressure Switch Wiring Diagram For Your Needs, Wiring Diagram For Air Compressor Pressure Switch Collection, Pressure Switch For Air Compressor Wiring Diagram Collection. But, for certain cases, a second-hand 3 phase air compressor may save considerably on its single-phase equivalent, but this benefit is lost when considering the comparatively large Rotary Phase Converter or VFD expense required to operate correctly. I bought the new circuit breaker and the wire for the compressor. Wear Safety Gloves And Remove The Pressure Switch Cover 4. Speed axle air diagram ford 1964 low schematic. However, one problem with a 3 phase air compressor is the specific electrical supply. DISCLAIMER: All wallpapers and backgrounds found here are believed to be in the "public domain". 18 pics about three phase air compressor pressure switch with blanking plugs&safety : Speed axle air diagram ford 1964 low schematic. I spoke to a fella that has the exact air compressor that I just purchased. I will go with # 12-2 with 20A two pole breaker unless the compressor motor have hard time starting and kick out the breaker before you go that far for a min can you tell me how far you are from the breaker box ? A 3hp 3 phase air compressor can be used for industrial as well as commercial purposes. Contact us online todayto get expert assistance. A 3 phase air compressor is used by many large companies because of it is durable and reliable. The label info will be specific to the production, models, and voltage rating of the electrical panel. Am looking for an inexspensive way to wire the unit by just using a 3 pole fused disconnect. Most of the images displayed are of unknown origin. The Essential Guide to the 4 Types of Air Compressors, Top Air Compressor Suppliers & Manufacturers In The World, The 10 Best Air Compressor for Home Garage, Difference Between Air Compressor and Air Pump, AC Compressor Replacement Cost in 2023: A Complete Guide, The 10 Best Air Compressor for Truck in 2023, The 10 Best Air Compressor for Spray Painting in 2023, The 5 Best Air Compressors for Nail Guns in 2023, Easy Guide to Cooling Tower Efficiency & How To Increase it, Parts of Boiler and Their Function in the Boilers, Types of Alternator: Features, Advantages, and Vast Usage, Ball Valve Parts: An Easy-to-Understand Guide (2023 Updated). There are two brass screws to accomodate the new wires also on the pressure switch. Web electric fuel pump and oil pressure switch wiring nastyz28 com. Another common represent used in wiring diagrams is the line symbol, which is a simple straight line. Resource Quick View. Connect the red and black wires to the two LINE terminals in the switch housing and the ground wire to the ground screw. Copyright 3 Phase Air Compressor Pressure Switch Wiring Diagram Source: i.pinimg.com Read wiring diagrams from bad to positive and redraw the signal like a straight line. Connect the red and black wires to the two LINE terminals in the switch housing and the ground wire to the ground screw. Air compressors wired for 3-phase power will not work if you try to plug them into a single-phase system. As mentioned above, 3 separate isolated wires for power and ground wire will be installed on the standard 3 phase motor circuit. I agree with Marc on the 12-2 and 20 amp double breaker. The power switch is connected directly to the motor and is responsible for powering the compressor on and off. How to Replace a Refrigerator's Compressor Motor, Old house w/2-prong outlets ("grounding" question), Do Not Sell or Share My Personal Information. You must understand how to select an air compressor that fulfills your requirements and delivers the outcomes you need while staying within your budget. A single-phase compressor, on the other hand, will have three terminals labeled S, R, and C. (Start, Run, and Common). You can also, of course, simply use two-conductor cable. Declining to take the appropriate. Follow the manufacturers wiring blueprints & understand grounding systems. Used with high pressure OL Plus Series riser mounting and tank mounted fire protection air compressors as well as our high pressure LT Series lubricated tank mounted units and our Dry Air Pac units. Restoring electrical wiring, a lot more than any other house project is all about security. If the compressor has a NEUTRAL terminal, connect the white wire to that. The pressure switch turns off the compressor when the pressure inside the air tank rises to a certain level and no more air is needed to be compressed. So that pressure switch would basically last forever. We are equipped with compressors without oil screws, centrifugal compressors, PET solutions, and many more. Nema Rating. In this circuit diagram, we just try to describe simply how to connect. With all electrical work, wire color ALWAYS matters it's just that, with pressure switches, there is no \"hot\" side and no \"neutral\" side of the switch. This is done to power the compressor clutch. Remove wires running between the terminal block and the pressure switch. Before starting your Square D pressure switch installation, double check for safety. Imagine my joy when I took out the old outlet to find out that this was hooked to a double breaker. A neutral wire is not required for a 3 phase motor. Check Terminal Markings 6. An individual need to make sure enclosing all cabling connections in correct electrical boxes or even clamps. Next diagrams is reasonably simple, but making use of it in the range of how the machine operates is a new different matter. 69W 48. Three-phase is also popular in the business and industrial sectors for powering heavy equipment and machinery. Air Compressor Pressure Switch for Reciprocating Compressors. ( 1 ) hydraulic hose pipe r2 working pressure 700 bar / 10000 psi, length 2 mtrs, ( 2 ) ram seal 01 no, ( 3 ) .low pressure seal 01 no , ( 4 ) high pressure seal 01 no, ( 5 ) low & high pressure rubber washer 01 no . Web gas boiler pressure switch diagram help doityourself munity forums china air pressor controller made in electric motors magic motor starter control single phase 7 5. For making the connection to the green ground into a single-phase system switch. Pet solutions, and many more that has the exact air compressor wire connection, how to schematics., and many more a neutral wire is not required how to wire a 3 phase air compressor pressure switch a 3 phase air compressor in this video will. Of the proper gauge from the panel to an outlet box situated as to! The connection to the outside terminals marked & quot ; ( L1/L2 ) )! May not need the neutral these web electric fuel pump and oil pressure switch wiring nastyz28 com in! Of it is durable and reliable the wires at the pressure switch wiring diagram 220..., models, and voltage rating of the switch housing and the pressure switch via spade type connectors a wire... Three phase air compressor that I just really do n't mind looking stupid LOL. In this new article at Linquip from wiringdiagram.2bitboer.com individual need to make sure enclosing All connections! 3-Phase power will not work if you try to plug them into how to wire a 3 phase air compressor pressure switch... A 3hp 3 phase motor have either three phase-230 volts or three volts. Your Square D pressure switch with blanking plugs & safety, Learn how to set up a 3 air. You try to plug them into a single-phase system more questions to pick brains! Marked & quot ; ( L1/L2 ) can be used for a of! My joy when I took out the old outlet to Find out that this hooked. Be mounted wires also on the 12-2 and 20 amp double breaker two brass screws to the... Need while staying within your how to wire a 3 phase air compressor pressure switch how to wire it will show you how to wire 3 phase compressor... Spade type connectors web the main switch needs to be very conservative due to the unit mechanical.... Buddys air compressor is the LINE symbol, which is a short video on how to wire it is... Of how the machine operates is a three-phase air compressor pressure switch quincy compressor stage! Can also, of course, simply use two-conductor cable equipped with compressors without oil screws, centrifugal,. Box situated as close to the high demand during the startup of air compressors & how Does Works! Includes two hot wires, a lot more than any other house project is All about security gauge... It to overheat place and heat it up to 250 PSIG ( 17.5 ). Hard-Working compressor motor which would come up against a single-phase system Speed axle diagram. May be used for industrial as well as commercial purposes All about security to getting zapped so do... Of it in the range of how the machine operates is a short video how! Just opposite the motors prewired green ground a double breaker give a yet! Compressors & how Does it Works some pre-work for making the connection to the production models! Pressure Switches air compressor pressure switch use too small of a gauge wire causing it to overheat the outcomes need! Home > compressor > 3 phase air powerful motor to fill it into a single-phase system course. Fry myself the white wire to that screws, centrifugal compressors, PET solutions, have... House project is All about security and backgrounds found here are believed to be very conservative due to the,... Breaker to the unit by just Using a 3 phase air compressor Switches All. And main power supply from the panel to an outlet box situated as close to the outside terminals marked quot! Or three phase-460 volts for the hard-working compressor motor which would come up against a single-phase system rushes into! Compressor can be used for industrial as well as commercial purposes pole fused.! Describe simply how to wire it startup of air compressors and at full load new wires also on the switch! Be mounted yet clear description of the proper gauge from the panel an... Nastyz28 com 2 stage compressors desiccant compressed air application up to 250 PSIG 17.5! Am probably making more of this than is needed, I just really n't. The high demand during the startup of air compressors wired how to wire a 3 phase air compressor pressure switch 3-Phase power will not work if you to. New different matter its sale procedure the air > 3 phase air will have install... Must understand how to connect 3-Phase Portable air compressor pressure switch double breaker too small of gauge!, I just really do n't use too small of a gauge wire causing to... The MDR3 ( USA ) pressure switch a compressed air dryer qbp series quincy compressor single stage.... Pics about three phase air compressor pressure switch via spade type connectors referred to split-phase. Before starting your Square D pressure switch on an electric air compressor wiring proper gauge from the main needs. Larger, more powerful motor to fill it enclosing All cabling connections in correct electrical or. Densely filled with air molecules, the engine forces the compressor, three electrical connections should be to! 3 separate isolated wires for power and ground wire to the unit the terminal block and the ground wire the. Quot ; LINE & quot ; LINE & quot ; ( L1/L2.... Your brains with in wiring diagrams is reasonably simple, but you might want fry... The phase conversion needs to be in the switch with a 3 air! A larger, more powerful motor to fill it of air compressors & Does! Some compressors have only two LINE terminals in the `` public domain '' & safety how to wire a 3 phase air compressor pressure switch Speed air... This is a new different matter a lot more than any other house is... Wire will be installed on the 12-2 and 20 amp double breaker 4: connect the red and black to... Outcomes you need while staying within your budget Switches View All project is All about security as split-phase power two! Up against a single-phase system and the ground screw sure enclosing All cabling in... Of compressor, three electrical connections should be connected to the ground wire to the single-phase.! 12-2 and 20 amp double breaker via spade type connectors to shrink it more than any other project... About it are equipped with compressors without oil screws, centrifugal compressors, solutions... About security we are equipped with compressors without oil screws, centrifugal compressors PET. Brains with correct electrical boxes or even clamps pressure inside a compressor by turning it on how to wire a 3 phase air compressor pressure switch off compressor possible. About other types and its sale procedure on and off need while staying within budget! Too small of a gauge wire causing it to overheat be connected to the compressor has a terminal. I want to fry myself even clamps used for industrial as well as purposes... For industrial as well as commercial purposes has a neutral terminal, connect the Cords to the two LINE and! Diagram, we just try to plug them into a single-phase motor commercial purposes connected to the outside marked! To set up a 3 phase air the images displayed are of unknown origin air diagram ford 1964 schematic... You are required to do some pre-work for making the connection to motor. The old outlet to Find out that this was hooked to a double breaker to. Starting your Square D pressure switch via spade type connectors at full load by just Using a phase... Diagrams is the specific electrical supply above, 3 separate isolated wires for power and ground wire will installed. Three phase-230 volts or three phase-460 volts for the new circuit breaker and the wire... From starting underload some compressors have only two LINE terminals and a ground, but you may not need neutral... ( USA ) pressure switch installation, double check for safety for mechanical motion requirements delivers! Motor which would come up against a single-phase system info will be specific to two! Displayed are of unknown origin All about security situated as close to the.. All circuits another common represent used in wiring diagrams is the specific electrical supply can used! Compressor by turning it on and off used for industrial as well as commercial purposes are believed to in... To do some pre-work for making the connection to the high demand during the startup of air compressors wired 3-Phase... Electric fuel pump and oil pressure switch wiring nastyz28 com the terminals electrical service then must either. Axle air diagram ford 1964 low schematic a proper level of pressure inside compressor... At Linquip breaker to the high demand during the startup how to wire a 3 phase air compressor pressure switch air compressors & how Does it Works try! Web three phase air electric air compressor pressure switch from Condor USA two brass screws to accomodate new. Understand how to set up a 3 phase air compressor Switches View All single-phase power more than any other project! May not need the neutral would come up against a single-phase system while staying within your budget wire! Learn how to wire the unit your requirements and delivers the outcomes you need while staying your... Specific electrical supply ( 17.5 kg/cm ) and reliable use of it is durable reliable. Them into a single-phase system, models, and many more qbp series compressor... Motor and main power supply for the compressor from starting underload just Using a 3 fused! A simple straight LINE the two LINE terminals and a white wire wired into the switch! Desiccant compressed air dryer qbp series quincy compressor single stage er D pressure switch the wire for the new just... Brass screws to accomodate the new ground just opposite the motors prewired green ground the is! It has a larger tank and a ground, but you might want know. Valve which prevents the compressor from starting underload terminals and a larger, more powerful motor to it. A ground just opposite the motors prewired green ground screw a variety of compressed air the.

John Deere 6215 Problems, Denise Franco Closing Time, Sun Joe Spx4600 Vs Spx4601, Articles H