NEMA IEC 60974-5:2009
NEMA IEC 60974-5:2009 Arc Welding Equipment - Part 5: Wire Feeders Describes safety and performance requirements for industrial and professional equipment used in arc welding and allied processes to feed filler wire.
Table of Contents
FOREWORD1Scope
2Normativereferences
3Termsanddefinitions
4Environmentalconditions
5Tests
5.1Testconditions
5.2Measuringinstruments
5.3Conformityofcomponents
5.4Typetests
5.5Routinetests
6Protectionagainstelectricshock
6.1Insulation
6.2Protectionagainstelectricshockinnormalservice
(directcontact)
6.2.1Protectionprovidedbytheenclosure
6.2.2Capacitors
6.2.3Automaticdischargeofinputcapacitors
6.3Protectionagainstelectricshockincaseofafault
condition(indirectcontact)
6.3.1Isolationofthesupplycircuitandthewelding
circuit
6.3.2Isolationoftheweldingcircuitfromtheframe
6.3.3Internalconductorsandconnections
6.4Ratedsupplyvoltage
6.5Protectiveprovisions
6.6Overcurrentprotectionofthesupplycircuit
6.7Cableanchorage
6.8Auxiliarypoweroutput
6.9Inletopening
6.10Controlcircuits
6.11Insulationofhangingmeans
7Liquidcoolingsystem
8Shieldinggassupply
9Thermalrequirements
10Mechanicalprovisions
10.1Wirefeeder
10.2Enclosurestrength
10.3Handlingmeans
10.4Dropwithstand
10.5Tiltingstability
10.6Fillerwiresupply
10.6.1Fillerwiresupplymounting
10.6.2Wirespoolretainingdevice
10.6.3Fillerwireover-run
10.7Feeding
10.8Protectionagainstmechanicalhazards
11Ratingplate
11.1General
11.2Description
11.3Contents
12Indicationofwire-feedspeed
13Instructionsandmarkings
13.1Instructions
13.2Markings
AnnexA(normative)-Determinationofthevariationin
wire-feedspeed
AnnexB(informative)-Exampleforaratingplateofa
stand-alonewirefeeder