Product Hierarchy
Product Hierarchy

7892A - Audio Snake Cable, #26-12pr, TC, Indiv. Shielded, CM

Digital Audio Snake Cable, CM-Rated, 12-26 AWG tinned copper pairs, Datalene® insulation, individually shielded with Beldfoil® bonded to numbered/color-coded PVC jackets so both strip simultaneously, PVC jacket

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Pairs
267x34TC - Tinned Copper0.019 in12
Conductor Count: 24
Total Number of Pairs: 12
MaterialMaterial Trade NameNominal DiameterNominal Wall Thickness
PE - Polyethylene (Foam)Datalene®0.054 in0.0175 in
Color Chart
1Brown & Numbered 1
2Red & Numbered 2
3Orange & Numbered 3
4Yellow & Numbered 4
5Green & Numbered 5
6Blue & Numbered 6
7Purple & Numbered 7
8Gray & Numbered 8
9White & Numbered 9
10Black & Numbered 10
11Tan & Numbered 11
12Pink & Numbered 12
Inner Shield
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire DiameterDrainwire AWGDrainwire Construction n x D
TapeBi-Laminate (Alum+Poly)Beldfoil®100%TC - Tinned Copper0.019 in26Stranded
Table Notes: Indiv. Foil tapes bonded to inner jacket
Inner Jacket
MaterialNominal DiameterNominal Wall Thickness
PVC - Polyvinyl Chloride0.136 in0.014 in
Outer Shield
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire DiameterDrainwire AWGDrainwire Construction n x D
TapeBi-Laminate (Alum+Poly)Beldfoil®100%TC - Tinned Copper0.019 in26Stranded
Outer Jacket
MaterialNominal DiameterNominal Wall ThicknessRipcord
PVC - Polyvinyl Chloride0.679 in0.056 inYes

Electrical Characteristics

Conductor DCR
Individual Pair Nominal Shield DCRNominal Conductor DCRNominal Conductor DCR Conductor Resistance
25.5 Ohm/1000ft37.3 Ohm/1000ft37.3 Ohm/1000ft
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
12.5 pF/ft25 pF/ft
Nominal Inductance
0.25 µH/ft
Nominal Characteristic Impedance
110 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
0.384 MHz0.84 dB/100ft
0.7056 MHz1.14 dB/100ft
0.768 MHz1.18 dB/100ft
1.024 MHz1.34 dB/100ft
1.4112 MHz1.5 dB/100ft
1.536 MHz1.54 dB/100ft
2.048 MHz1.69 dB/100ft
2.8224 MHz1.86 dB/100ft
3.072 MHz1.92 dB/100ft
4.096 MHz2.14 dB/100ft
5.6448 MHz2.4 dB/100ft
6.144 MHz2.47 dB/100ft
8.192 MHz2.75 dB/100ft
11.2896 MHz3.09 dB/100ft
12.288 MHz3.18 dB/100ft
24.576 MHz4.2 dB/100ft
Nominal Velocity of Propagation (VP) [%]
High Frequency
Frequency [MHz]
0.384 MHz
0.7056 MHz
0.768 MHz
1.024 MHz
1.4112 MHz
1.536 MHz
2.048 MHz
2.8224 MHz
3.072 MHz
4.096 MHz
5.6448 MHz
6.144 MHz
8.192 MHz
11.2896 MHz
12.288 MHz
24.576 MHz

Temperature Range

Operating Temperature Range: -30°C To +80°C

Mechanical Characteristics

Bulk Cable Weight: 150 lbs/1000ft
Max. Pull Tension: 129 lbs
Min. Bend Radius/Minor Axis: 7 in


NEC/(UL) Compliance: CM
CEC/C(UL) Compliance: CM

Applicable Environmental and Other Programs

Environmental Space: Indoor (Not Riser or Plenum)
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/11/EC (BFR): Yes
EU Directive 2011/65/EU (RoHS 2): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU (RoHS 2 amendment): Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
MII Order #39 (China RoHS): Yes


Suitability - Indoor: Yes

Flammability, LS0H, Toxicity Testing

C(UL) Flammability: FT4
UL Flammability: UL1685 UL Loading


Plenum (Y/N): No

Related Part Numbers

Item #ColorPut-Up TypeLengthUPC
7892A Z4B2000VioletReel2,000 ft612825190776
7892A Z4B1000Violet Z4BReel1,000 ft612825433903
Footnote: C - CRATE REEL PUT-UP.

Product Notes

Notes: Pair jackets and shields are bonded so both strip simultaneously with automatic stripping equipment. Datalene® insulation features include low dielectric constant and a dissipation factor for high-speed, low-distortion data handling. Physical properties include good crush resistance and light weight.


Update and Revision: Revision Number: 0.356 Revision Date: 04-08-2022
Date: 2004-01-01
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide
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