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NEMA WC 63.1:2005

Current
Current

The latest, up-to-date edition.

Performance Standard for Twisted Pair Premise Voice and Data Communications Cables
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-09-2004

Section 1 - GENERAL
  1.1 Scope
  1.2 Referenced Standards
Section 2 - PART IDENTIFICATION NUMBER (PIN)
  2.1 Part Numbering System
Section 3 - MATERIALS AND MECHANICAL REQUIREMENTS
  3.1 Conductors
       3.1.1 Bare Copper Wire
       3.1.2 Tin Coated Copper Wire
       3.1.3 Stranded Copper Wire
  3.2 Insulating Materials
  3.3 Shields
       3.3.1 Individually Shielded Pairs, Foil (When Specified)
       3.3.2 Individually Shielded Pairs, Braid (When Specified)
       3.3.3 Overall Shielded, Foil
       3.3.4 Overall Shielded, Braid
       3.3.5 Drain Wire(s)
       3.3.6 Braided Shield
  3.4 Mechanical, Physical, Dimensional, and Safety
       Considerations
Section 4 - ELECTRICAL DEFINITIONS
  4.1 Resistance
       4.1.1 DC Conductor Resistance
       4.1.2 DC Resistance Unbalance
       4.1.3 Insulation Resistance
  4.2 Input Impedance
  4.3 Characteristic Impedance
  4.4 Structural Return Loss
       4.4.1 Return Loss
  4.5 Insertion Loss (Attenuation)
  4.6 Crosstalk
       4.6.1 Near-End Crosstalk (Next)
       4.6.2 Power Sum Near-End Crosstalk (Psnext)
       4.6.3 Far-End Crosstalk (Fext)/Equal Level
             Far-End Crosstalk (Elfext)
  4.7 Capacitance
       4.7.1 Mutual Capacitance
       4.7.2 Pair-To-Ground Capacitance Unbalance
  4.8 Transfer Impedance
  4.9 Phase Velocity
  4.10 Phase Delay
  4.11 Phase Delay Skew
Section 5 - TEST METHODS
  5.1 General
  5.2 Input Impedance
  5.3 Characteristic Impedance
  5.4 Structural Return Loss
       5.4.1 Return Loss
  5.5 Insertion Loss (Attenuation)
  5.6 Near-End Crosstalk (Next) and Power Sum Near-End
       Crosstalk (Psnext)
  5.7 Far-End Crosstalk (Fext), Equal Level Far-End
       Crosstalk (Elfext), and Power Sum Equal Level
       Far-End Crosstalk (Pselfext)
  5.8 Transfer Impedance
  5.9 Phase Velocity
  5.10 Phase Delay
  5.11 Phase Delay Skew
Section 6 - ELECTRICAL REQUIREMENTS FOR CATEGORY 3, 5,
            AND 5e CABLES
  6.1 General
  6.2 Resistance
       6.2.1 DC Resistance
       6.2.2 DC Resistance Unbalance
       6.2.3 Insulation Resistance
  6.3 Impedance
       6.3.1 Characteristic Impedance
  6.4 Structural Return Loss
       6.4.1 Return Loss
  6.5 Insertion Loss (Attenuation)
       6.5.1 Horizontal and Backbone Cables
       6.5.2 Patch (Stranded) Cables
  6.6 Crosstalk
       6.6.1 Near-End Crosstalk (Next)
       6.6.2 Power Sum Near-End Crosstalk
       6.6.3 Equal Level Far-End Crosstalk (Elfext)
       6.6.4 Power Sum Equal Level Far-End Crosstalk
             (Pselfext)
  6.7 Capacitance
       6.7.1 Mutual Capacitance
       6.7.2 Pair-To-Ground Capacitance Unbalance
  6.8 Transfer Impedance
  6.9 Phase Velocity
  6.10 Phase Delay Skew
       6.10.1 Maximum Phase Delay Skew
       6.10.2 Cables Greater Than 4 Pairs
       6.10.3 Environmental Effects
Section 7 - ELECTRICAL REQUIREMENTS FOR 150 [Omega] TYPE
            A CABLE
  7.1 DC Resistance
       7.1.1 22 AWG Conductors
       7.1.2 26 AWG Conductors
  7.2 DC Resistance Unbalance
  7.3 Insulation Resistance
  7.4 Capacitance
       7.4.1 Pair-to-Ground Capacitance Unbalance
  7.5 Characteristic Impedance
  7.6 Structural Return Loss
  7.7 Return Loss
  7.8 Insertion Loss (Attenuation)
  7.9 Near-End Crosstalk
  7.10 Transfer Impedance
Appendix A ELECTRICAL PERFORMANCE REQUIREMENTS AND
           REFERENCES FOR CATEGORY 3, CATEGORY 5, AND
           CATEGORY 5e CABLES
Appendix B CABLES, BUILDING, PREMISE, PLENUM, SPECIAL PURPOSE,
           ELECTRICAL, MULTIPLE TWISTED PAIRS, 24 AWG, UNSHIELDED,
           INDIVIDUALLY SHIELDED PAIRS, OR OVERSHIELDED,
           JACKETED CATEGORY 5
Appendix C CABLES, BUILDING, PREMISE, RISER, SPECIAL PURPOSE,
           ELECTRICAL, MULTIPLE TWISTED PAIRS, 24 AWG, UNSHIELDED,
           INDIVIDUALLY SHIELDED PAIRS, OR OVERSHIELDED,
           JACKETED CATEGORY 5
Appendix D PATCH CORD CABLES, BUILDING, PREMISE, SPECIAL PURPOSE,
           ELECTRICAL, 24 AWG, STRANDED CONDUCTORS, MULTIPLE TWISTED
           PAIRS, UNSHIELDED, INDIVIDUALLY SHIELDED PAIRS, OR
           OVERSHIELDED, JACKETED CATEGORY 5
Appendix E CABLES, BUILDING, PREMISE, PLENUM, SPECIAL PURPOSE,
           ELECTRICAL, MULTIPLE TWISTED PAIRS, 22 AWG, UNSHIELDED,
           INDIVIDUALLY SHIELDED PAIRS, OR OVERSHIELDED, JACKETED
           CATEGORY 5

Defines minimum electrical performance and allowable conductor sizes, stranding and shielding for premise wiring cables for voice and data applications.

DocumentType
Standard
Pages
50
PublisherName
National Electrical Manufacturers Association
Status
Current

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