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ANSI/NEMA WC 75-2022 Standard for Controlled Impedance in Internal Electrical Cable, 2022
- NOTICE AND DISCLAIMER
- Foreword
- Section 1 General [Go to Page]
- 1.1 Scope
- 1.2 Referenced Standards
- The following publications form a part of this document to the extent specified herein. The applicable issue of publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and...
- 1.3 Order of Precedence
- 2.1 General
- 2.2 Cable Designation [Go to Page]
- 2.2.1 Characteristic Impedance
- 2.2.2 Conductor Material and Stranding
- 2.2.3 Conductor Size
- 2.2.4 Dielectric Type
- 2.2.5 Color Code [Go to Page]
- 2.2.5.1 Standard Identification Method A
- 2.2.5.2 Alternate Identification Method B
- 2.2.5.3 Alternate Identification Method C
- 2.2.6 Number of Pairs
- 2.2.7 Shield Material
- 2.2.8 Jacket Material
- Section 3 Requirements [Go to Page]
- 3.1 Construction and Materials
- 3.2 Basic Wire [Go to Page]
- 3.2.1 Extruded Polytetrafluoroethylene (PTFE) (Type EE)
- 3.2.2 Extruded Fluorinated Ethylene Propylene (FEP) (Type KK)
- 3.2.3 Extruded, Foamed Fluorinated Ethylene Propylene (FEP) (Type KF)
- 3.2.4 Extruded Cross-Linked Polyethylene (Type LL)
- 3.2.5 Extruded Ethylene Tetra-Fluoroethylene (ETFE) (Type TZ)
- 3.2.6 Extruded Cross-Linked Ethylene Tetra-Fluoroethylene (XLETFE) (Type XE)
- 3.2.7 Extruded Cross-Linked Low Smoke Zero Halogen Polyolefin (XLPO) (Type ZH)
- 3.3 Cabling [Go to Page]
- 3.3.1 Direction of Lay
- 3.3.2 Length of Lay
- 3.4 Fillers and Tapes
- 3.5 Shield [Go to Page]
- 3.5.1 Silver Coated Copper Strands
- 3.5.2 Nickel Coated Copper Strands
- 3.5.3 Tin Coated Copper Strands
- 3.5.4 Shield Strand Size
- 3.5.5 Braid Angle [Go to Page]
- 3.5.6 Shield Coverage
- 3.5.7 Shield Splices
- 3.5.8 Foil Shields
- 3.6 Jacket [Go to Page]
- 3.6.1 Jacket Concentricity
- 3.6.2 Jacket Color
- 3.6.3 Jacket Strippability
- 3.6.4 Jacket Materials [Go to Page]
- 3.6.4.1 Extruded or Taped White Polytetrafluoroethylene (PTFE) (Type 06)
- 3.6.4.2 Extruded White Fluorinated Ethylene Propylene (FEP) (Type 09)
- 3.6.4.3 Extruded White Ethylene Tetra-Fluoroethylene (ETFE) (Type 14)
- 3.6.4.4 Extruded White Perfluoroalkoxy (PFA) (Type 20)
- 3.6.4.5 Extruded White Cross-Linked Ethylene Tetra-Fluoroethylene (XLETFE) (Type 23)
- 3.6.4.6 Extruded Gray Cross-Linked Polyolefin (XLPO) (Type 27)
- 3.6.4.7 Extruded White Cross-Linked Zero Halogen Polyolefin (XLPOLYO) (Type 28)
- 3.6.4.8 Extruded Black Cross-Linked Zero Halogen Polyolefin (XLPOLYO) (Type 31)
- 3.6.4.9 Extruded Black Ethylene Propylene Diene Monomer (EPDM) (Type 32)
- 3.6.4.10 Extruded or Blown on Black Polychloroprene (Neoprene) (Type 33)
- 3.6.4.11 Extruded Black Polyurethane TPU (Type 34)
- 3.6.4.12 Extruded Black Zero Halogen Polyurethane TPU (Type 35)
- 3.6.5 Jacket Wall Thickness
- 3.6.6 Cable Identification
- 3.7 Performance [Go to Page]
- 3.7.1 Dielectric Strength [Go to Page]
- 3.7.1.1 Dielectric Withstand—Component Wires
- 3.7.1.2 Jacket Flaws
- 3.7.2 Conductor Continuity
- 3.7.3 Component Wire
- 3.7.4 Cold Bend—Jacketed Cables
- 3.7.5 Heat Resistance
- 3.7.6 Flame Propagation
- 3.7.7 Cross-Linked Verification [Go to Page]
- 3.7.7.1 Cross-Linked Verification Jacket Type 23
- 3.7.7.2 Cross-Linked Verification Jacket Type 27, 28, or 31
- 3.7.8 Acid Gas Generation (Jackets 28, 31, and 35 Only)
- 3.7.9 Halogen Content (Jackets 28, 31, and 35 Only)
- 3.7.10 Smoke Index (Jackets 28, 31, and 35 Only)
- 3.7.11 Toxicity Index (Jackets 28, 31, and 35 Only)
- 3.7.12 Characteristic Impedance
- 3.7.13 Capacitance
- 3.7.14 Surface Transfer Impedance
- 3.7.15 Minimum Bend Radius
- 3.8 Workmanship
- Section 4 Verification [Go to Page]
- 4.1 Classification of Inspections
- 4.2 Inspection Conditions
- 4.3 First Article Inspection
- 4.4 Conformance Inspection [Go to Page]
- 4.4.1 Specimen Length
- 4.4.2 Failures
- 4.4.3 Inspection Lot
- 4.4.4 Group A, B, and C Inspection
- 4.4.5 Group D Inspection
- 4.4.6 Sampling
- 4.4.7 Rejected Lots
- 4.4.8 Noncompliance
- 4.5 Methods of Inspection [Go to Page]
- 4.5.1 Dielectric Strength (See 3.7.1) [Go to Page]
- 4.5.1.1 Unshielded, Unjacketed Cable
- 4.5.1.2 Unshielded, Jacketed and Shielded, Jacketed Cables
- 4.5.2 Jacket Flaws
- 4.5.3 Conductor Continuity
- 4.5.4 Component Wire
- 4.5.5 Dielectric Immersion (Jacketed or Shielded and Jacketed Cable)
- 4.5.6 Visual and Mechanical Inspection
- 4.5.7 Shield Braid Angle and Coverage
- 4.5.8 Jacket Concentricity
- 4.5.9 Jacket Strippability
- 4.5.10 Jacket Tensile Strength and Elongation
- 4.5.11 Jacket Wall Thickness
- 4.5.12 Cold Bend
- 4.5.13 Heat Resistance
- 4.5.14 Flammability
- 4.5.15 Cross-Linked Verification of Jackets [Go to Page]
- 4.5.15.1 Jacket Type 23
- 4.15.5.2 Jacket Types 27, 28, and 31
- 4.5.16 Acid Gas Generation [Go to Page]
- 4.5.16.1 Observation
- 4.5.17 Halogen Content [Go to Page]
- 4.5.17.1 Observation
- 4.5.18 Smoke Index [Go to Page]
- 4.5.18.1 Specimen
- 4.5.18.2 Special Procedures
- 4.5.18.3 Observation
- 4.5.19 Toxicity Index [Go to Page]
- 4.5.19.1 Observation
- Test Mandrel Diameter (inches)
- Finished Cable Diameter
- 3
- 0 to 0.125
- 6
- 0.126 to 0.250
- 10
- 0.251 to 0.360
- 18
- 0.361 to 0.750
- 30
- 0.751 to 1.200
- 36
- 1.201 to 2.000
- Section 5 Packaging [Go to Page]
- 5.1 General
- 5.2 Continuous Lengths
- 6.1 Intended Use
- 6.2 Acquisition Requirements [Go to Page]
