Product Hierarchy
Product Hierarchy

8281B - Precision Video Coax, RG59, #20 Solid BC, Double 98% Braid, CMR

20 AWG solid .031" bare copper conductor, flame-retardant semi-foam polyethylene insulation, tinned copper/bare copper double braid shield (95% coverage), PVC jacket.

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
20SolidBC - Bare Copper0.031 in1
Conductor Count: 1
MaterialNominal Diameter
PE - Polyethylene (Foam)0.198 in
Outer Shield Material
TypeLayerMaterialCoverage [%]
Braid1Tinned Copper (TC)95%
Braid2Tinned Copper (TC)95%
Outer Jacket Material
MaterialNominal Diameter
PVC - Polyvinyl Chloride0.305 in

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Conductor DCR Conductor ResistanceNominal Outer Shield DCROuter Conductor DCR
9.9 Ohm/1000ft9.9 Ohm/1000ft1.1 Ohm/1000ft1.1 Ohm/1000ft
Nom. Capacitance Conductor to Shield
21 pF/ft
Nominal Inductance
0.118 µH/ft
Nominal Characteristic Impedance
75 Ohm
Return Loss (RL)
Frequency [MHz]Min. Structural Return Loss (SRL)
5-216 MHz27 dB
217-850 MHz23 dB
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
1 MHz0.3 dB/100ft
3.6 MHz0.5 dB/100ft
10 MHz0.8 dB/100ft
71.5 MHz2.1 dB/100ft
135 MHz3 dB/100ft
270 MHz4.4 dB/100ft
360 MHz5.1 dB/100ft
540 MHz6.6 dB/100ft
720 MHz7.8 dB/100ft
750 MHz8 dB/100ft
1000 MHz10.2 dB/100ft
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.54 ns/ft66%
Non-UL Voltage RatingUL Voltage RatingVoltage Rating [V]
300 V RMS300 V RMS30 V RMS
300 V RMS

Temperature Range

UL Temp Rating: 80°C
Operating Temp Range: -40°C To +80°C

Mechanical Characteristics

Bulk Cable Weight: 79 lbs/1000ft
Max. Pull Tension: 168 lbs
Min Bend Radius/Minor Axis: 3 in
Min Flexing Radius: 6 in


NEC/(UL) Compliance: CMR
CEC/C(UL) Compliance: CMG
UL AWM Style Compliance: UL Style 1354
CPR Euroclass: Eca
RG Type: 59/U Type

Applicable Environmental and Other Programs

Environmental Space: Indoor/Outdoor
EU Directive 2000/53/EC (ELV): Yes
EU Directive 2003/11/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): 2005-10-13
MII Order #39 (China RoHS): Yes


Suitability - Aerial: Yes - Black only, when supported by messenger wire
Suitability - Indoor: Yes
Suitability - Outdoor: Yes - Black only

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1666 Vertical Shaft
CSA Flammability: FT4
IEC Flammability: IEC 60332-1-2
UL voltage rating: 300 V RMS


Plenum (Y/N): No
Plenum Number: 88281

Part Number

Item #ColorPutup TypeLengthUPC
8281B 0101000BlackReel1,000 ft612825355489
8281B 0061000Blue, LightReel1,000 ft612825355762
8281B 0081000GrayReel1,000 ft612825355748
8281B 0051000Green, DarkReel1,000 ft612825355779
8281B 0021000RedReel1,000 ft612825355793
8281B 0071000VioletReel1,000 ft612825355755
8281B 0091000WhiteReel1,000 ft612825355731
8281B 0041000YellowReel1,000 ft612825355786
Footnote: C - CRATE REEL PUT-UP.


Update and Revision: Revision Number: 0.285 Revision Date: 09-30-2020
Date: 2005-10-13
No accessories are available for this product