Product Hierarchy
Product Hierarchy

3109DB - RS-485UL DIR BUR, 4 Pr, 22AWG, Str, TC, PO Ins, OS+TC Brd, CPE Jkt, CM, PLTC, Outdoor, Sun Res, Oil Res

RS-485 UL direct burial foil and braid shielded 120 Ohm low voltage low capacitance computer cable, 4 pair 22AWG stranded tinned copper Datalene® insulated conductors with CPE jacket, CM, PLTC, outdoor sun-resistant and oil-resistant

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Pairs
227x30TC - Tinned Copper0.03 in4
Conductor Count: 8
Total Number of Pairs: 4
MaterialMaterial Trade NameNominal DiameterNominal Wall Thickness
FHDPE - Foamed High Density PolyethyleneDatalene®0.075 in0.023 in
Color Chart
1White/Blue Stripe & Blue/White Stripe
2White/Orange Stripe & Orange/White Stripe
3White/Green Stripe & Green/White Stripe
4White/Brown Stripe & Brown/White Stripe
Outer Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire AWG
Tape1Aluminum/PolyesterBeldfoil®100.0 %TC - Tinned Copper22
Braid2TC - Tinned Copper65.0 %
Outer Jacket Material
MaterialNominal DiameterNominal Wall ThicknessSeparator Material
CPE - Chlorinated Polyethylene0.484 in0.053 inWater resistant tape (over braid, under jacket)

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Outer Shield DCR
14.7 Ohm/1000ft2.95 Ohm/1000ft
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
11 pF/ft20.9 pF/ft
Nominal Characteristic Impedance
120 Ohm
High Frequency (Nominal/Typical)
Nom. Insertion Loss
0.5 dB/100ft
Nominal Velocity of Propagation (VP) [%]
78.0 %
Max. Recommended Current [A]
2.7 Amps per conductor @ 25°C
UL Voltage Rating
300 V RMS (NEC Type PLTC)
300 V RMS (NEC Type CM)
Electrical Characteristics Notes: Nom. Attenuation: 0.5 dB/100ft. @ 1MHz

Temperature Range

Non-UL Temp Rating: 60°C
UL Temp Rating: 60°C
Operating Temp Range: -20°C To +60°C

Mechanical Characteristics

Oil Resistance: Yes
UV Resistance: Sunlight Res
Bulk Cable Weight: 58 lbs/1000ft
Max Recommended Pulling Tension: 80 lbs
Min Bend Radius/Minor Axis: 4.8 in


NEC/(UL) Specification: CM, PLTC
CEC/C(UL) Specification: CM

Applicable Environmental and Other Programs

EU Directive 2000/53/EC (ELV): 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): 2005-10-01


Suitability - Burial: Yes - UL
Suitability - Indoor: Yes
Suitability - Outdoor: Yes
Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1685 UL Loading
CSA Flammability: FT1
ISO/IEC Flammability: IEC 60332-1-2

Product Notes

Notes: Oil Resistance: Passes Oil Res II Per UL1277, Table 10.17.


Update and Revision: Revision Number: 0.16 Revision Date: 01-31-2020
Date: 2005-10-01
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