Product Hierarchy
Product Hierarchy

8424 - Microphone Cable, 4 Conductor 20 AWG, TC

Microphone 4 Conductor 20 AWG stranded (26x34) high-conductivity tinned copper conductors, EPDM rubber insulation, rayon braid, TC braid shield (85% coverage), cotton wrap, EPDM rubber jacket.

Product Overview

Suitable Applications: Low-Impedance Audio/Microphone Cable

Physical Characteristics (Overall)

ElementAWGStrandingMaterialNominal DiameterNo. of Conductors
Conductor(s)2026x34High Conductivity Tinned Copper0.037 in4
Conductor Count: 4
ElementMaterialNominal DiameterNominal Wall Thickness
Conductor(s)EPDM - Ethylene Propylene Diene Monomer0.083 in0.023 in
Color Chart
Outer Shield Material
TypeMaterialCoverage [%]
BraidTC - Tinned Copper85 %
Outer Jacket Material
MaterialNominal DiameterSeparator Material
EPDM - Ethylene Propylene Diene Monomer0.294 inCotton Serve

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
10.2 Ohm/1000ft3.2 Ohm/1000ft
Nom. Capacitance Between Conductors in QuadNom. Capacitance Conductor to Conductor
59 pF/ft47 pF/ft
Nominal Inductance
0.18 µH/ft
Nominal Characteristic Impedance
52 Ohm
Nominal Velocity of Propagation (VP) [%]
52 %
Max. Recommended Current [A]
3.2 Amps per conductor @ 25°C
UL Voltage Rating
600 V RMS
Electrical Characteristics Notes: 2/c 17AWG equivalent DCR when connected to a 3-pin XLR
Other Electrical Characteristic 2: 59 pF/ft - Nom. Cap. Between Cond. In a Quad Config.

Temperature Range

Non-UL Temp Rating: 60°C
Operating Temp Range: -50°C To +90°C

Mechanical Characteristics

Bulk Cable Weight: 61 lbs/1000ft
Max Recommended Pulling Tension: 87 lbs
Min Bend Radius/Minor Axis: 3 in

Applicable Environmental and Other Programs

Environmental Space: Indoor (Not Riser or Plenum)
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/96/EC (BFR): Yes
EU Directive 2011/65/EU (ROHS II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01
MII Order #39 (China RoHS): Yes


Suitability - Indoor: Yes

Flammability, LS0H, Toxicity Testing

UL voltage rating: 600 V RMS


Plenum (Y/N): No

Part Number

Item #ColorPutup TypeLengthUPC
8424 010100BlackReel100 ft612825206606
8424 010250BlackReel250 ft612825206620
8424 010500BlackReel500 ft612825206583
8424 010U500BlackUnReel500 ft612825206804
8424 0101000BlackReel1,000 ft612825206613
Footnote: C - CRATE REEL PUT-UP.

Product Notes

Notes: Overall Cabling Separator Material: Rayon Braid. Outer Shield Separator Material: Cotton Wrap. Quad connection scheme: The black and red wires (or wires directly opposite one another) are connected together to form one conductor, and similarly the white and green wires (or remaining wires) are connected together to form the second conductor. Outer Shield Separator Material: Cotton Wrap


Update and Revision: Revision Number: 0.302 Revision Date: 05-11-2020
Date: 2004-01-01
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