Industrial Cable Specs Reference | Instrumentation Cable Guide

Industrial Cable Specs Reference | Instrumentation Cable Guide

Industrial Cable Technical Specs Reference

This page helps instrumentation, electrical & automation engineers in proper cable selection, technical evaluation and indent preparation.

Instrumentation 1 Pair Cable

SpecificationRecommended Value
Capacitance50–100 pF/m (low preferred)
Shield CoverageAbove 85%
Drain WireSingle point earthing recommended
Inner Sheath0.6–1 mm typical
Outer SheathFRLS / LSZH preferred

RTD Cable Specs

SpecificationImportance
Core MatchingAccuracy in 3-wire RTD
Copper PurityStable resistance measurement
ShieldingNoise protection
Loop ResistanceLow variation needed

Thermocouple Cable

SpecificationImportance
Extension TypeCorrect alloy required
Accuracy Grade±1°C to ±2°C typical
ShieldingEMI protection
InsulationPVC / PTFE / Fiberglass

Power Cable Specs

SpecificationNotes
Voltage RatingUsually 1.1 kV industrial
InsulationXLPE preferred
Inner Sheath~1.2–1.8 mm
Outer Sheath~1.8–3 mm
Voltage DropMust calculate long runs

Armoured Cable

TypeUse Case
Wire Armoured (SWA)Underground, heavy duty
Strip Armoured (STA)Indoor tray, lighter duty
Drain WireShield earthing

Earthing Cable

SpecDetails
ClassClass 2 stranded / Class 5 flexible
MaterialBare or tinned copper
ProtectionCorrosion resistance required

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