Miller Electric 400P, 500 X manual Selecting Extension Cord Use Shortest Cord Possible

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12-11. Selecting Extension Cord (Use Shortest Cord Possible)

Cord Lengths for 120 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current	Load (Watts)	4		6		8	10	12		14
(Amperes)	Load (Watts)	4		6		8	10	12		14
(Amperes)

5	600				350	(106)	225 (68)	137	(42)	100 (30)

7	840		400	(122)	250 (76)		150 (46)	100	(30)	62 (19)

10	1200	400 (122)	275 (84)		175 (53)		112 (34)	62 (19)		50 (15)

15	1800	300 (91)	175 (53)		112 (34)		75 (23)	37 (11)		30 (9)

20	2400	225 (68)	137 (42)		87	(26)	50 (15)	30	(9)

25	3000	175 (53)	112 (34)		62	(19)	37 (11)

30	3600	150 (46)	87	(26)	50	(15)	37 (11)

35	4200	125 (38)	75	(23)	50	(15)

40	4800	112 (34)	62	(19)	37 (11)

45	5400	100 (30)	62	(19)

50	6000	87 (26)	50	(15)

*Conductor size is based on maximum 2% voltage drop

Cord Lengths for 240 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current	Load (Watts)	4	6		8	10		12	14
(Amperes)	Load (Watts)	4	6		8	10		12	14
(Amperes)

5	1200			700	(213)	450	(137)	225 (84)	200 (61)

7	1680		800 (244)	500	(152)	300 (91)		200 (61)	125 (38)

10	2400	800 (244)	550 (168)	350	(107)	225 (69)		125 (38)	100 (31)

15	3600	600 (183)	350 (107)	225 (69)		150 (46)		75 (23)	60 (18)

20	4800	450 (137)	275 (84)	175 (53)		100 (31)		60 (18)

25	6000	350 (107)	225 (69)	125 (38)		75	(23)

30	7000	300 (91)	175 (53)	100 (31)		75	(23)

35	8400	250 (76)	150 (46)	100 (31)

40	9600	225 (69)	125 (38)	75	(23)

45	10,800	200 (61)	125 (38)

50	12,000	175 (53)	100 (31)

*Conductor size is based on maximum 2% voltage drop

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Contents Processes OM-4421215 075QDescription File Engine DriveFrom Miller to You Table of Contents − Maintenance & Troubleshooting Standards DirectivesDecrot1/07 Decrotsound6/05 Manufacturer European Contact Notified BodyArc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsBuildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionCompressed Air Hazards Engine HazardsHOT Parts can cause burns and injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer Indique des instructions spécifiquesLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent pro voquer des blessures ’EXPLOSION DE LA Batterie peu’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion DES Organes Mobiles peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peutPrincipales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF En ce qui concerne les implants médicaux− 50 h Std − DefinitionsStd Manufacturer’s Rating Labels Some symbols are found only on export products Symbols And DefinitionsWeld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere Curves For CC Models MIG Mode Stick ModeTIG Mode Volt-Ampere Curves For CC/CV ModelsDuty Cycle And Overheating Fuel Consumption100% Duty Cycle At 400 Amperes Optional Three-Phase Generator Curves AC Generator Power Curve12 kVA/kW Single-Phase AC Output No Weld Load 15 kVA/kW Three-Phase AC Output No Weld LoadInstalling Welding Generator − InstallationLocation/Airflow Clearance Grounding1Using Lifting Eye Mounting Welding Generator Stop engine and let cool Installing Exhaust PipeConnecting The Battery Activating The Dry Charge Battery If ApplicableEngine Prestart Checks Coolant Recovery TankStick and TIG Welding Connecting To Weld Output TerminalsMIG and Fcaw Welding Stop engineSelecting Weld Cable Sizes Connecting to Weld150 ft 200 ft 250 ft 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 mSocket Connecting To Remote 14 Receptacle RC14 On CC/CV ModelsOM-4421 Front Panel Controls For CC Models See Section − Operating Welding Generator − CC ModelsTo Start Engine Starting ControlsEngine Gauges And Meters Weld ControlsWeld Control/Arc Condition Information Label Remote Amperage Control On CC Models OptionalExample Combination Remote Amperage Control Stick OM-4421 Front Panel Controls For CC/CV Models See Section − Operating Welding Generator − CC/CV ModelsElectric shock can kill Voltage/Amperage Adjust Switch And Remote 14 Receptacle14 AC/DC Voltmeter Optional Process/Contactor Switch Settings Process/Contactor Switch On CC/CV ModelsExample Combination Remote Amperage Control TIG Remote Voltage/Amperage Control On CC/CV Models OptionalVolt And 240 Volt Receptacles − Operating Auxiliary EquipmentAt least once a month, run en If a SupplementaryRear Of Panel Three-Phase Power ConnectionClose panel opening if no connections are made to generator 240 V 15 a AC South African Receptacle RC1 Optional Generator Power ReceptaclesSupplementary Protector CB2 Supplementary Protector CB3 Maintenance Label − Maintenance & TroubleshootingRoutine Maintenance Checking Generator Brushes To clean air filter Servicing Air CleanerInspecting And Cleaning Optional Spark Arrestor Muffler Weld/Power Speed Adjustment Adjusting Engine SpeedEngine Speed No Load Standard Model Idle Speed Ad- justmentTo change oil and filter Servicing Fuel And Lubrication SystemsTo replace primary fuel filter While draining fuel tankOverload Protection Welding − CC Models TroubleshootingWelding − CC/CV Models Optional Three-Phase Generator Power CC/CV Models Only Standard Generator PowerEngine Welding Symbols Circuit Diagram For CC Welding Generator − Electrical Diagrams223 522-B Circuit Diagram For CC/CV Welding Generator 223 523-B Wetstacking − RUN-IN ProcedureWelding Generator Keep exhaust and pipe away Run-In Procedure Using Load BankFrom flammables Specifications section in this Run-In Procedure Using Resistance GridJust generator A/V control so ManualSelecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Electrically Bond GeneratorHow Much Power Does Equipment Require? Grounding When Supplying Building SystemsUse ground device as stated in electrical codes Amperes x Volts = WattsApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible − Parts List 128 93 −6 105 104 100 101 102 103 Main Assembly 010 Figures 13-2 Figures 13-4 Control Box Assembly − CC Models 087 Control Box Assembly − CC/CV Models -1Item Control Box Assembly − CC/CV ModelsTD1 214 3634 Panel, Front w/Components − CC ModelsPanel, Front w/Components − CC Models -1Item 40 39 Panel, Front w/Components − CC/CV ModelsPanel, Front w/Components − CC/CV Models -1Item 170 34 36 27 26 Hardware is common Not available unless listed602 SCREW, .312−18x .75 hexwhd.66d stl pld slffmg tap−rw 601 Main Rectifier Assembly Wiring Harnesses PLG4 Harness, receptacle auxiliary power export models includesPage Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s