NEMA WC 57:2004

NEMA WC 57:2004 Control, Thermocouple Extension, And Instrumentation Cables Applicable to materials, construction, and testing of multiconductor control, thermocouple extension, and instrumentation cables rated up to and including 125 degrees C.

More details

Download

PDF AVAILABLE FORMATS IMMEDIATE DOWNLOAD
$72.59 tax incl.

$164.98 tax incl.

(price reduced by 56 %)

1000 items in stock

Table of Contents

Foreword
Scope
Section1GENERAL
1.1GeneralInformation
1.2InformationtobeSuppliedbyPurchaser
Section2CONDUCTORS
2.1General
2.2Wires,PhysicalandElectricProperties
2.3CopperConductors
2.3.1Wires
2.3.2SolidConductors
2.3.3StrandedConductors
2.3.4ConductorDCResistancePerUnitLength
2.3.5ConductorDiameter
2.4ConductorsforThermocoupleExtensionWires
2.4.1ConductorMaterial
2.4.2SizeandDiameter
2.4.3Direct-Current(DC)ResistanceofConductors
2.4.4TemperatureLimitsofConductors
2.4.5LimitsofErrorofConductors
Section3INSULATIONS
3.1General
3.2Materials
3.3Thickness
3.3.1SR
3.3.2PE
3.3.3PVC
3.4Requirements
3.4.1CrosslinkedPolyethylene(XLPE)Insulation,Type
IandTypeII
3.4.2EthylenePropyleneRubber(EP)Insulation,TypeI
andTypeII
3.4.3OzoneResistingSiliconeRubber(SR)Insulation
3.4.4ChlorosulfonatedPolyethylene(CSPE)Insulation
3.4.5Polyvinyl-Chloride(PVC)Insulation
3.4.6PolyvinylChloride/Nylon(PVC/Nylon)Insulation
3.4.7Polyethylene(PE)Insulation
3.4.8CompositeInsulation
3.4.9StyreneButadieneRubber(SBR)Insulation
3.4.10ThermoplasticElastomer(TPE)Insulation,TypeI
andTypeII
3.4.11JacketoverInsulation
3.4.12Repairs
3.5VoltageTests
3.5.1ProductionTests
3.5.2AcceptanceTestingafterInstallation
3.6InsulationResistance
3.7TypeAFlameTest
3.8TypeBFlameTest
Section4SHIELDINGSANDCOVERINGS
4.1Shielding-General
4.1.1ShieldContinuity
4.1.2ShieldIsolation
4.1.3MetalTapeShields
4.1.4MetalBraidShields
4.1.5MetalWireShields
4.2Jackets
4.2.1Thickness
4.2.2Requirements
4.2.3Binder
4.3MetallicandAssociatedCoverings
4.3.1TypesofMetallicCoverings
4.3.2CoreCoveringforNonshieldedandNonjacketed
CablewithMetallicArmor
4.3.3InterlockedMetalTapeArmor
4.3.4GalvanizedSteelWireArmor
4.3.5FlatMetalTapeArmor
4.3.6ContinuouslyCorrugatedMetalArmor
4.3.7ThermoplasticorCrosslinkedCoveringsover
MetallicArmor
Section5ASSEMBLY,FILLERS,ANDCONDUCTORIDENTIFICATION
5.1AssemblyofMultipleConductorCables
5.1.1RoundCables
5.1.2SubAssemblies
5.1.3FlatTwinCables
5.2Fillers
5.3Binders
5.4ConductorIdentification
Section6TESTINGANDTESTMETHODS
6.1Testing-General
6.2ConductorTestMethods
6.3ThicknessMeasurementsforInsulationsandNonmetallic
Jackets
6.4PhysicalandAgingTestsforInsulationsandJackets
6.4.1SizeandPreparationofSpecimens
6.4.2CalculationofTestSpecimenArea
6.4.3PhysicalTestProcedures
6.5TensileStrengthTest
6.6TensileStressTest
6.7ElongationTest
6.8SetTest
6.9AgingTests
6.9.1TestSpecimens
6.9.2AirOvenTest
6.9.3OilImmersionTest
6.9.4HotCreepTest
6.9.5HeatDistortionforInsulatedConductors
6.9.6HeatDistortionforThermoplasticJackets
6.9.7HeatShockforThermoplasticJackets
6.9.8NylonWrapTest
6.10OzoneResistanceTest
6.11ThicknessofCoverings
6.12EnvironmentalCracking
6.13AbsorptionCoefficient
6.14AcceleratedWaterAbsorption
6.14.1General
6.14.2ElectricalMethod(EM-60)
6.14.3GravimetricMethod
6.15ColdBend
6.16FlameTesting
6.16.1TypeA
6.16.2TypeB
6.17VoltageTests
6.17.1ACVoltageTest
6.17.2DCVoltageTest
6.17.3ACSparkTest
6.18InsulationResistance
6.18.1DeterminationofTemperatureConversionFactors
forInsulationResistance
6.19SpecificSurfaceResistivity
6.20ShieldContinuity
6.21ShieldIsolation
6.22DielectricStrengthRetention
Section7SPECIALCONSTRUCTIONS
7.1LowSmoke,Halogen-Free(LSHF)Cables
7.1.1Scope
7.1.2Conductors
7.1.3Insulation
7.1.4Assembly
7.1.5Shielding
7.1.6Jacket
7.1.7CoveringsoverMetallicArmor
7.1.8Tests
7.2125degreesCCable
7.2.1Scope
7.2.2Conductors
7.2.3Insulation
7.2.4Assembly
7.2.5Shielding
7.2.6Jacket
7.2.7VoltageTests
Section8APPENDICES
AIndustryStandardReferences(Normative)
BAdditionalConductorInformation(Informative)
CRepresentativeValuesofTensileStrengthandElongation
forNon-MagneticArmorMaterials(Informative)
DFlameTestingFinishedCable(Informative)
EConductorIdentificationforControlCables(Informative)
FRecommendedBendingRadiiforCables(Informative)
GAcceptanceTestingafterInstallation(Informative)
HOtherTestMethodsforInstrumentationCables(Informative)

Abstract

Applicable to materials, construction, and testing of multiconductor control, thermocouple extension, and instrumentation cables rated up to and including 125 degrees C.

Contact us