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Triplex Service Drop
Triplex Service Drop
Triplex Service Drop
Triplex Service Drop

Triplex Service Drop

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The Triplex Service Drop Cable manufactured by Zhongdong Cable is designed for low-voltage overhead service connections between utility distribution lines and residential, commercial, and small industrial electrical installations.

The cable consists of three insulated aluminium conductors twisted together, typically including two phase conductors and one neutral conductor. The compact aerial structure provides a reliable and economical solution for single-phase overhead power supply systems while reducing installation complexity compared with traditional open conductors.

With weather-resistant insulation and lightweight aluminium conductors, Triplex Service Drop Cable provides stable performance for outdoor installations exposed to sunlight, moisture, and changing environmental conditions.

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Quick Specs

Type

Triplex Service Drop Cable

Voltage Rating

0.6/1 kV

Cores

3 Core (2 Phase + 1 Neutral)

Conductor

Aluminium, Class 2 stranded conductor (IEC 60228)

Insulation

XLPE or PE insulation

Neutral Conductor

Bare or insulated aluminium neutral (according to design requirements)

Installation

Overhead service entrance and low-voltage distribution systems

Operating Temperature

Up to 90°C (XLPE insulation)

Reference Standards

ASTM B230 / ASTM B231 / ICEA S-76-474 / NFC 33-209 (according to design)

 

 

Construction
Applications
Standards
Technical Data
FAQ
Construction

Phase Conductor:

Stranded aluminium conductor providing efficient electrical conductivity and lightweight performance.

Neutral Conductor:

Aluminium neutral conductor designed to carry return current and maintain system balance.

Insulation:

XLPE or PE insulation provides electrical protection, moisture resistance, and reliable outdoor performance.

Cable Assembly:

Two insulated conductors are twisted together to form a compact and flexible overhead service cable.

Construction
Applications

The Triplex Service Drop Cable is mainly used for low-voltage overhead service connections where reliable power supply and simple installation are required.

Typical applications include:

Residential electrical service connections

Single-phase utility supply systems

Rural electrification projects

Low-voltage overhead distribution networks

Commercial building service entrances

Street lighting power connections

Utility meter connections

Temporary or construction power supply

Applications
Standards

ANSI/ICEA S-76-474 Neutral-Supported Power Cable Assemblies With Weather-Resistant Extruded Insulation Rated 600 Volts

ASTM B 231 Class AA, A, or B Stranded Aluminum 1350 (Excluding Unilay Compressed)

ASTM B 400 Compact-Round Stranded Aluminum 1350 Conductors

ASTM B 399 Class AA, or A Stranded Aluminum-Alloy 6201 T-81 Conductors

ASTM B 232 Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Reinforced (ACSR)

ASTM B 549 For Concentric-Lay-Stranded Aluminum Conductors, Aluminum-Clad Steel Reinforced (ACSR/AW)

Specifications

Code Word

Phase Conductor

Bare Neutral Messenger

Approx. Diameter of Cable (mm)

Approx. Weight (kg/km)

Size

No. of wires

Nominal Insulation Thickness (mm)

Size

No. of wires

Diameter of Wires (mm)

AWG or Kcmil

No.

AWG or Kcmil

No.

Haiotis

6

1

1.14

6

7

1.56

12.6

148

Pike

6

7

0.76

6

7

1.56

12.1

139

Patella

6

7

1.14

6

7

1.56

13.2

154

Albus

6

7

1.52

6

7

1.56

14.3

170

Fusus

4

1

1.14

4

7

1.96

15

221

Limpet

4

7

1.14

6

7

1.56

14.9

208

Oyster

4

7

1.14

4

7

1.96

15.8

230

Argo

4

7

1.52

4

7

1.96

16.9

249

Clam

2

7

1.14

2

7

2.47

19

347

Thia

2

7

1.52

2

7

2.47

20.1

370

Mussel

2

7

1.14

4

7

1.96

17.9

312

Pyrula

1

7

1.52

1

7

2.78

22.4

465

Hyas

1

19

1.52

1

7

2.78

22.2

450

Snail

1/0

7

1.52

2

7

2.47

23.2

517

Murex

1/0

7

1.52

1/0

7

3.12

24.6

572

Purpura

1/0

19

1.52

1/0

7

3.12

24.4

554

Nassa

2/0

7

1.52

2/0

7

3.5

27.1

706

Trophon

2/0

19

1.52

2/0

7

3.5

26.8

684

Quahog

3/0

7

2.03

3/0

7

3.93

31.3

920

Ione

3/0

19

2.03

3/0

7

3.93

31

892

Melita

3/0

19

1.52

3/0

19

2.39

29.7

845

Coquina

4/0

7

1.52

4/0

7

4.42

33

1082

Tusk

4/0

7

2.03

4/0

7

4.42

34.5

1134

Apus

4/0

19

2.03

4/0

7

4.42

34.1

1098

Portunus

4/0

19

2.03

4/0

19

2.68

34.2

1098

Chiton

266.8

19

2.03

266.8

19

3.01

38.4

1379

Alverno

300

37

2.03

4/0

19

2.68

37.8

1386

Nannynose

336.4

19

2.03

336.4

19

3.38

42.4

1707

 

 

 

 

 

 

 

 

 

Code Word

Phase Conductor

Bare Neutral Messenger

Approx. Diameter of Cable (mm)

Approx. Weight (kg/km)

Size

No. of wires

Nominal Insulation Thickness (mm)

Size

No. of wires

Diameter of Wires (mm)

AWG or Kcmil

No.

AWG or Kcmil

No.

Minex

6

1

1.14

30.58

7

1.68

12.8

154

Hippa

6

7

1.14

30.58

7

1.68

13.4

160

Artemia

4

1

1.14

30.58

7

1.68

14.4

205

Crad

4

7

1.14

30.58

7

1.68

15.2

214

Prawn

4

1

1.14

48.69

7

2.12

15.3

231

Barnacle

4

7

1.14

48.69

7

2.12

16.1

239

Solaster

2

7

1.14

48.69

7

2.12

18.2

322

Pagurus

2

7

1.52

48.69

7

2.12

19.3

345

Shrimp

2

7

1.14

77.47

7

2.67

19.4

362

Lobster

2

7

1.52

77.47

7

2.67

20.5

385

Sanderab

1/0

7

1.52

77.47

7

2.67

23.6

532

Echinus

1/0

19

1.52

77.47

7

2.67

23.4

514

Gammarus

1/0

7

1.52

123.3

7

3.37

25.1

597

Leda

1/0

19

1.52

123.3

7

3.37

24.9

579

Crayfish

2/0

7

1.52

97.65

7

3

26

655

Sipho

2/0

19

1.52

97.65

7

3

25.7

633

Abalone

2/0

7

1.52

123.3

7

3.37

26.8

691

Spirula

2/0

19

1.52

123.3

7

3.37

26.5

669

Dungenese

2/0

7

1.52

155.4

7

3.78

27.7

736

Cyclops

2/0

19

1.52

155.4

7

3.78

27.4

714

Slug

3/0

7

1.52

123.3

7

3.37

28.6

809

Fulgur

3/0

19

1.52

123.3

7

3.37

28.4

781

Balanus

3/0

19

2.03

123.3

7

3.37

29.8

828

Stonecrab

3/0

7

1.52

195.7

7

4.25

30.5

904

Flustra

3/0

19

1.52

195.7

7

4.25

30.3

884

Crisia

3/0

19

2.03

195.7

7

4.25

31.7

931

Squid

4/0

7

1.52

155.4

7

3.78

31.6

1001

Arca

4/0

19

1.52

155.4

7

3.78

31.3

966

Bugula

4/0

19

2.03

155.4

7

3.78

32.7

1018

Kingcrab

4/0

7

1.52

246.9

7

4.77

33.8

1131

Lepas

4/0

19

1.52

246.9

7

4.77

33.4

1096

Cassis

4/0

19

2.03

246.9

7

4.77

34.9

1147

Cyphoma

4/0

7

1.52

123.3

7

3.37

30.8

957

Mitre

4/0

19

1.52

123.3

7

3.37

30.4

921

Argonaut

336.4

19

2.03

246.9

7

4.77

40.5

1579

Nautilis

336.4

19

2.03

394.5

19

3.66

43.4

1787

 

 

 

 

 

 

 

 

 

Code Word

Phase Conductor

Bare Neutral Messenger

Approx. Diameter of Cable (mm)

Approx. Weight (kg/km)

Size

No. of wires

Nominal Insulation Thickness (mm)

Size

No. of wires

Diameter of Wires (mm)

AWG or Kcmil

No.

AWG or Kcmil

No.

Paludina

6

1

1.14

6

6/1   

1.68

12.8

165

Voluta

6

7

1.14

6

6/1     

1.68

13.4

171

Bolma

6

7

1.52

6

6/1    

1.68

14.5

188

Scallop

4

1

1.14

6

6/1     

1.68

14.4

217

Strombus

4

7

1.14

6

6/1     

1.68

15.1

225

Carnea

4

7

1.52

6

6/1     

1.68

16.2

244

Whelk

4

1

1.14

4

6/1    

2.12

15.3

249

Periwinkle

4

7

1.14

4

6/1     

2.12

16.1

257

Calma

4

7

1.52

4

6/1     

2.12

17.2

277

Cockle

2

7

1.14

4

6/1     

2.12

18.2

340

Gebia

2

7

1.52

4

6/1    

2.12

19.3

363

Conch

2

7

1.14

2

6/1     

2.67

19.4

391

Uca

2

7

1.52

2

6/1     

2.67

20.5

414

Vermeths

1

7

1.52

1

6/1     

3

22.9

520

Atya

1

19

1.52

1

6/1    

3

22.6

506

Janthina

1/0

7

1.52

2

6/1     

2.67

23.6

561

Ranella

1/0

19

1.52

2

6/1     

2.67

23.4

543

Neritina

1/0

7

1.52

1/0

6/1     

3.37

25.1

642

Cenia

1/0

19

1.52

1/0

6/1    

3.37

24.9

624

Cavolinia

2/0

7

1.52

1

6/1     

3

26

691

Clio

2/0

19

1.52

1

6/1     

3

25.7

669

Runcina

2/0

7

1.52

2/0

6/1     

3.78

27.7

794

Triton

2/0

19

1.52

2/0

6/1    

3.78

27.4

772

Sanddollar

3/0

7

1.52

1/0

6/1     

3.37

28.6

854

Aega

3/0

19

1.52

1/0

6/1     

3.37

28.4

827

Pisa

3/0

19

2.03

1/0

6/1     

3.37

29.8

874

Cherrystone

3/0

7

1.52

3/0

6/1    

4.25

30.5

983

Mursia

3/0

19

1.52

3/0

6/1     

4.25

30.3

956

Mysis

3/0

19

2.03

3/0

6/1     

4.25

31.7

1003

Cuttlefish

4/0

7

1.52

2/0

6/1     

3.78

31.7

1059

Cerapus

4/0

19

1.52

2/0

6/1    

3.78

31.3

1024

Nepatus

4/0

19

2.03

2/0

6/1     

3.78

32.7

1075

Razor

4/0

7

1.52

4/0

6/1     

4.77

33.8

1222

Zuzara

4/0

19

1.52

4/0

6/1     

4.77

33.4

1187

Alima

4/0

19

2.03

4/0

6/1    

4.77

34.9

1238

Callista

266.8

19

2.03

3/0

6/1     

4.25

36.7

1350

Dosinia

266.8

19

2.03

266.8

18/1   

3.09

38.7

1438

Cowry

336.4

19

2.03

4/0

6 /1   

4.77

40.5

1670

Limpet

336.4

19

2.03

336.4

18 /1   

3.47

42.7

1782

FAQ
Q1
What is the difference between Duplex and Triplex Service Drop Cable?
A1

Duplex Service Drop Cable contains two conductors, normally one phase and one neutral, while Triplex Service Drop Cable contains two phase conductors and one neutral conductor for single-phase three-wire systems.

Q2
Where is Triplex Service Drop Cable commonly used?
A2

It is mainly used for connecting utility overhead lines to residential buildings, commercial facilities, and other low-voltage customers.

Q3
Can Triplex Service Drop Cable be installed outdoors without additional protection?
A3

Yes. The cable is designed for aerial installation and uses weather-resistant insulation suitable for long-term outdoor exposure.

Q4
Why are aluminium conductors used instead of copper?
A4

Aluminium offers lower weight and cost while providing sufficient electrical performance for overhead service applications.

Q5
What insulation materials are available for Triplex Service Drop Cable?
A5

XLPE is commonly selected for higher temperature capability and improved ageing resistance, while PE can be used for specific application requirements.

Q6
What is the maximum operating temperature of this cable?
A6

XLPE insulated Triplex Service Drop Cable is generally rated for continuous conductor operation up to 90°C.

Q7
What installation accessories are required?
A7

Common accessories include service clamps, connectors, suspension fittings, and pole mounting hardware selected according to installation conditions.

Why Contact Zhongdong Cable

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67,000㎡ Manufacturing Base

0.6kV–110kV Cable Solutions

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Packaging
Packaging

Fumigated Wooden Drums: Fully heat-treated and officially stamped in strict compliance with ISPM 15 international phytosanitary regulations. This guarantees seamless, delay-free customs clearance at any global port.

Steel-Wooden Hybrid Drums (Iron-Wooden Axle): Engineered with reinforced steel structural frames and durable wood flanging. This hybrid design prevents drum collapse under heavy loads and provides ultimate mechanical protection during rough ocean freight handling.

100% Customized Packaging: We cooperate closely with project engineers to provide tailored packing options—including custom cable lengths per drum, protective lagging, water-proof plastic wrapping, or specific color coding—tailored to your exact on-site installation layout.

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