Triplex Service Drop Cable
The Triplex Service Drop Cable is designed for overhead power distribution from utility lines to residential and commercial service entrances. It typically consists of two insulated phase conductors and one bare or insulated neutral messenger conductor, twisted together to provide mechanical support and electrical reliability. The phase conductors are insulated with weather-resistant materials such as XLPE or PE, offering excellent resistance to UV radiation, moisture, and environmental aging. Engineered for dependable performance, the Triplex Service Drop Cable ensures stable power delivery while minimizing line losses and installation complexity. Its lightweight yet robust construction allows for easy stringing across poles and buildings, while maintaining adequate tensile strength for long-span applications. Manufactured in accordance with applicable utility and industry standards, this cable is widely used in low-voltage overhead distribution networks where safety, durability, and long service life are essential.
Construction
Technical Specifications
Quality Control
Application
Construction
Triplex Service Drop Cable Constrution
Conductor
Conductors are concentrically stranded, compressed 1350-H19 aluminum.
Specification
The Triplex service drop cable meets or exceeds the following ASTM specifications:
• ANSI/ICEA S-76-474, Neutran-supported power cable assemblies with weather-resistant extruded insulation rated 600V
• B-230 Aluminum Wire, 1350-H19 for Electrical Purposes.
• B-231 Aluminum Conductors, Concentric-Lay-Stranded.
• B-232 Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR).
• B-399 Concentric-Lay-Stranded 6201-T81 Aluminum Alloy Conductors.
• B-901 Compressed Round Stranded Aluminum Conductors Using Single Input Wire.
• ANSI/ICEA S-76-474, Neutran-supported power cable assemblies with weather-resistant extruded insulation rated 600V
• B-230 Aluminum Wire, 1350-H19 for Electrical Purposes.
• B-231 Aluminum Conductors, Concentric-Lay-Stranded.
• B-232 Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR).
• B-399 Concentric-Lay-Stranded 6201-T81 Aluminum Alloy Conductors.
• B-901 Compressed Round Stranded Aluminum Conductors Using Single Input Wire.
Insulation
Insulated with either polyethylene or crosslinked polyethylene (XLPE).
Neutral Messengers
Neutral messengers are concentrically stranded 6201, AAC, or ACSR.
Technical Specifications
Triplex Service Drop Cable
6201 ALLOY Neutral-messenger
AAC Neutral-messenger
ACSR Neutral-messenger
ACSR Reduced Neutral-messenger
| Code Word | Phase Conductor | Bare Neutral Messenger | Weight Per 1000ft (lbs.) | Allowable Ampacities+ | |||||||
|
Size (AWG) |
Stranding |
Insul. Thick. (mils) |
Equiv. Dia. (AWG)++ |
Size (kcmil) |
Stranding |
Rated Strength (lbs.) |
XLPE | POLY | XLPE | POLY | |
| 6201 ALLOY NEUTRAL-MESSENGER | |||||||||||
| Minex | 6 | 1 | 45 | 6 | 30.58 | 7 | 1110 | 101 | 101 | 85 | 70 |
| Hippa | 6 | 7 | 45 | 6 | 30.58 | 7 | 1110 | 107 | 107 | 85 | 70 |
| Prawn | 4 | 1 | 45 | 4 | 48.69 | 7 | 1760 | 152 | 152 | 115 | 90 |
| Barnacle | 4 | 7 | 45 | 4 | 48.69 | 7 | 1760 | 160 | 160 | 115 | 90 |
| Shrimp | 2 | 7 | 45 | 2 | 77.47 | 7 | 2800 | 243 | 243 | 150 | 120 |
| Gammarus | 1/0 | 7 | 60 | 1/0 | 123.3 | 7 | 4460 | 390 | 390 | 205 | 160 |
| Leda | 1/0 | 9 | 60 | 1/0 | 123.3 | 7 | 4460 | 384 | 384 | 205 | 160 |
| Dungenese | 2/0 | 7 | 60 | 2/0 | 155.4 | 7 | 5390 | 483 | 483 | 235 | 185 |
| Cyclops | 2/0 | 11 | 60 | 2/0 | 155.4 | 7 | 5390 | 474 | 474 | 235 | 185 |
| Flustra | 3/0 | 17 | 60 | 3/0 | 195.7 | 7 | 6790 | 587 | 587 | 275 | 215 |
| Lepas | 4/0 | 18 | 60 | 4/0 | 246.9 | 7 | 8560 | 728 | 728 | 315 | 245 |
| Artemia | 4 | 1 | 45 | 6 | 30.58 | 7 | 1110 | 135 | 135 | 115 | 90 |
| Crab | 4 | 7 | 45 | 6 | 30.58 | 7 | 1110 | 143 | 143 | 115 | 90 |
| Solaster | 2 | 7 | 45 | 4 | 48.69 | 7 | 1760 | 216 | 216 | 150 | 120 |
| Sandcrab | 1/0 | 7 | 60 | 2 | 77.47 | 7 | 2800 | 347 | 347 | 205 | 160 |
| Echinus | 1/0 | 9 | 60 | 2 | 77.47 | 7 | 2800 | 341 | 341 | 205 | 160 |
| Fulgar | 3/0 | 17 | 60 | 1/0 | 123.3 | 7 | 4460 | 519 | 519 | 275 | 215 |
| Arca | 4/0 | 18 | 60 | 2/0 | 155.4 | 7 | 5390 | 643 | 643 | 315 | 245 |
| * Code words for XLP insulated products are formed by adding "XLP" to the conventional code words above(e.g.-Chihuahua/XLP). + Conductor temperature of 90°C for XLP, 75°C for Poly; ambient temperature of 40°C; emissivity 0.9; 2 ft./sec. wind in sun. ++ Designated sizes are: ACSR 6/1 diameter equivalent and AAC with equivalent resistivity per ASTM B-399 for 6201. |
|||||||||||
| Code Word | Phase Conductor | Bare Neutral Messenger | Weight Per 1000ft (lbs.) | Allowable Ampacities+ | ||||||
|
Size (AWG) |
Stranding |
Insul. Thick. (mils) |
Size (kcmil) |
Stranding |
Rated Strength (lbs.) |
XLPE | POLY | XLPE | POLY | |
| AAC NEUTRAL-MESSENGER | ||||||||||
| Patella | 6 | 7 | 45 | 6 | 7 | 563 | 103 | 103 | 85 | 70 |
| Oyster | 4 | 7 | 45 | 4 | 7 | 881 | 154 | 154 | 115 | 90 |
| Clam | 2 | 7 | 45 | 2 | 7 | 1350 | 233 | 233 | 150 | 120 |
| Murex | 1/0 | 7 | 60 | 1/0 | 7 | 1990 | 374 | 374 | 205 | 160 |
| Purpura | 1/0 | 9 | 60 | 1/0 | 7 | 1990 | 368 | 368 | 205 | 160 |
| Nassa | 2/0 | 7 | 60 | 2/0 | 7 | 2510 | 462 | 462 | 235 | 185 |
| Melita | 3/0 | 17 | 60 | 3/0 | 19 | 3310 | 562 | 562 | 275 | 215 |
| Portunus | 4/0 | 18 | 60 | 4/0 | 19 | 4020 | 696 | 696 | 315 | 245 |
| Nannynose | 336.4 | 19 | 80 | 336.4 | 19 | 6146 | 1118 | 1118 | 420 | 325 |
| * Code words for XLP insulated products are formed by adding "XLP" to the conventional code words above(e.g.-Chihuahua/XLP). + Conductor temperature of 90°C for XLP, 75°C for Poly; ambient temperature of 40°C; emissivity 0.9; 2 ft./sec. wind in sun. |
||||||||||
| Code Word | Phase Conductor | Bare Neutral Messenger | Weight Per 1000ft (lbs.) | Allowable Ampacities+ | ||||||
|
Size (AWG) |
Stranding |
Insul. Thick. (mils) |
Size (kcmil) |
Stranding |
Rated Strength (lbs.) |
XLPE | POLY | XLPE | POLY | |
| ACSR NEUTRAL-MESSENGER | ||||||||||
| Paludina | 6 | 1 | 45 | 6 | 43252 | 1190 | 109 | 109 | 85 | 70 |
| Voluta | 6 | 7 | 45 | 6 | 43252 | 1190 | 114 | 114 | 85 | 70 |
| Whelk | 4 | 1 | 45 | 4 | 43252 | 1860 | -- | 164 | 115 | 90 |
| Periwinkle | 4 | 7 | 45 | 4 | 43252 | 1860 | 172 | 172 | 115 | 90 |
| Conch | 2 | 7 | 45 | 2 | 43252 | 2850 | 262 | 262 | 150 | 120 |
| Neritina | 1/0 | 7 | 60 | 1/0 | 43252 | 4380 | 420 | 420 | 205 | 160 |
| Cenia | 1/0 | 9 | 60 | 1/0 | 43252 | 4380 | 414 | 414 | 205 | 160 |
| Runcina | 2/0 | 7 | 60 | 2/0 | 43252 | 5310 | 520 | 520 | 235 | 185 |
| Triton | 2/0 | 11 | 60 | 2/0 | 43252 | 5310 | 512 | 512 | 235 | 185 |
| Mursia | 3/0 | 17 | 60 | 3/0 | 43252 | 6620 | 635 | 635 | 275 | 215 |
| Zuzara | 4/0 | 18 | 60 | 4/0 | 43252 | 8350 | 789 | 789 | 315 | 245 |
| Limpet | 336.4 | 19 | 80 | 336.4 | 43118 | 8680 | 1167 | 1167 | 420 | 325 |
| * Code words for XLP insulated products are formed by adding "XLP" to the conventional code words above(e.g.-Chihuahua/XLP). + Conductor temperature of 90°C for XLP, 75°C for Poly; ambient temperature of 40°C; emissivity 0.9; 2 ft./sec. wind in sun. |
||||||||||
| Code Word | Phase Conductor | Bare Neutral Messenger | Weight Per 1000ft (lbs.) | Allowable Ampacities+ | ||||||
|
Size (AWG) |
Stranding |
Insul. Thick. (mils) |
Size (kcmil) |
Stranding |
Rated Strength (lbs.) |
XLPE | POLY | XLPE | POLY | |
| ACSR REDUCED NEUTRAL-MESSENGER | ||||||||||
| Scallop | 4 | 1 | 45 | 6 | 43252 | 1190 | -- | 142 | 115 | 90 |
| Strombus | 4 | 7 | 45 | 6 | 43252 | 1190 | 151 | 151 | 115 | 90 |
| Cockle | 2 | 7 | 45 | 4 | 43252 | 1860 | 228 | 228 | 150 | 120 |
| Janthina | 1/0 | 7 | 60 | 2 | 43252 | 2853 | 366 | 366 | 205 | 160 |
| Ranella | 1/0 | 9 | 60 | 2 | 43252 | 2853 | 360 | 360 | 205 | 160 |
| Cavolinia | 2/0 | 7 | 60 | 1 | 43252 | 3550 | 453 | 453 | 235 | 185 |
| Clio | 2/0 | 11 | 60 | 1 | 43252 | 3550 | 444 | 444 | 235 | 185 |
| Aega | 3/0 | 17 | 60 | 1/0 | 43252 | 4380 | 549 | 549 | 275 | 215 |
| Cerapus | 4/0 | 18 | 60 | 2/0 | 43252 | 5310 | 681 | 681 | 315 | 245 |
| * Code words for XLP insulated products are formed by adding "XLP" to the conventional code words above(e.g.-Chihuahua/XLP). + Conductor temperature of 90°C for XLP, 75°C for Poly; ambient temperature of 40°C; emissivity 0.9; 2 ft./sec. wind in sun. |
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Quality Control
Triplex Service Drop Cable
Raw Material Test
Raw Material Test is the first quality assurance step for the Triplex Service Drop Cable. Aluminum or copper conductors are tested for electrical conductivity, tensile strength, elongation, and surface quality to ensure reliable current transmission and mechanical support. Insulation compounds used on phase conductors are evaluated for dielectric strength, UV resistance, thermal stability, and weathering performance. Materials selected for the neutral messenger conductor are inspected for mechanical durability and corrosion resistance. Only raw materials that meet technical specifications and utility standards are approved for production. Only qualified raw materials are released for manufacturing to maintain consistent cable quality.
Process inspection
Process Inspection ensures consistent manufacturing quality of the Triplex Service Drop Cable throughout production. Conductor stranding is monitored for correct lay length and compactness. Insulation extrusion is inspected for uniform thickness, concentricity, and surface finish. The cabling process is controlled to ensure proper twisting and balanced tension between phase conductors and the neutral messenger. In-process electrical and dimensional checks verify insulation integrity and conductor alignment before final testing. The cabling process ensures correct lay direction and balanced tension among conductors. Routine in-process inspections confirm mechanical integrity and insulation performance before final testing.
Finished Product
Finished Product Test validates the performance of the Triplex Service Drop Cable prior to shipment. Electrical tests include conductor resistance measurement and insulation resistance testing. Mechanical tests verify tensile strength and overall cable integrity. Visual inspection confirms correct construction, marking, and packaging, ensuring the cable meets application and safety requirements. Mechanical tests assess tensile strength and overall construction stability. Visual and dimensional inspections ensure compliance with design and marking requirements before delivery.
Application
Suitable for overhead low-voltage service connections in residential neighborhoods, commercial buildings, and utility distribution systems.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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