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18AWG 3 Core
Zhong Hua Jiang
18AWG
5m-5000m
3
Tinned stranded copper
PVC(RoHS)
300V
80℃/176℉
26.7Ω/KM20℃
10MΩ/KM20℃
2000AC V/min
Zhong Hua Jiang 18AWG 3-conductor double-shielded cable (18/3) combines three twisted tinned stranded copper conductors with PVC insulation, an aluminum shield, tinned-copper shielding and a PVC outer jacket. Designed for compatible equipment control, instrumentation and auxiliary electrical circuits, its dual shielding can help reduce electromagnetic interference when installed and terminated correctly.
The listed electrical ratings are 300V and 80°C / 176°F. The cable has a stated 6.0 ± 0.15mm outer diameter and 26.7 Ω/km conductor resistance at 20°C. Typical selection scenarios include CNC machine control circuits, automation cabinets, electronic instruments and compatible motor-adjacent auxiliary connections. Verify circuit function and electrical requirements before use; this is not automatically a VFD output-power cable.
Cable at a glance: 18AWG | 3 twisted insulated conductors | black/red/yellow | tinned stranded copper | aluminum and tinned-copper double shielding | PVC jacket | 300V | 80°C | outer diameter 6.0 ± 0.15mm.
This 18/3 shielded cable provides three identifiable insulated conductors—black, red and yellow—in one jacket. Tinned stranded copper assists solder termination and limits oxidation of exposed strands, while foil and copper shielding can help manage electrical noise. The stated product range includes lengths from 5m to 5,000m; confirm available packaging and lengths when ordering.
18 AWG, 3 twisted conductors: black, red and yellow insulated cores simplify circuit identification.
Tinned stranded copper: supports reliable conductivity, solderability and resistance to conductor oxidation.
Double shielding: aluminum foil plus tinned-copper shielding helps reduce EMI and external electrical noise.
PVC insulation and jacket: flexible, durable and suitable for common equipment-wiring environments.
Custom supply: cable length and order quantity can be matched to machine assembly, replacement and wholesale requirements.
Request an 18/3 Shielded Wire Quote
| Rated Voltage | 300V | Number of Conductors | 3 twisted conductors |
| Rated Temperature | 80°C / 176°F | Wire Size | 18 AWG |
| Conductor Resistance | 26.7 Ω/km at 20°C | Conductor Material | Tinned stranded copper |
| Insulation Resistance | 10 MΩ/km at 20°C | Foil Orientation | One-side aluminum, aluminum facing outward |
| Dielectric Test | 2000 VAC/min | Insulation Material | PVC (RoHS) |
| Material Structure | PVC + tinned copper + aluminum | Jacket Material | PVC (RoHS) |
| Conductor Colors | Black, red and yellow | ||
| Jacket Diameter | 6.0 ± 0.15 mm | ||
| Available Length | 5 m to 5,000 m | ||
Electrical test details: Published technical data list insulation resistance of 10 MΩ/km at 20°C and a dielectric test of “2000 VAC/min.” Please confirm the measurement standard, test duration and exact acceptance criteria in the current data sheet. The voltage rating is not a declared ampacity or proof of suitability for every electrical installation.
Ask for 18AWG 3-Core Cable Specifications
When selecting this cable, verify the circuit voltage and current, conductor assignment, connector or cable-gland fit, cable length, installation temperature, bending conditions and shield termination. The stated 300V rating alone does not establish allowable continuous current or suitability for mains building wiring.
Get 18AWG Three-Core Cable Pricing
| UL2464 Product Configuration | Aluminum + Tinned-Copper Shielding | Tinned Stranded Copper Core |
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| Oxidation Resistance | Low Eccentricity | High Conductivity | Insulation Resistance |
A tin coating helps protect copper strand surfaces from oxidation and supports consistent solderability. The electrical performance of this cable should be judged by the supplied 26.7 Ω/km conductor-resistance value at 20°C, rather than assuming tin plating makes copper more conductive than bare copper.
The conductor-material comparison below is an overview of commonly used cable materials. Bare copper, tinned copper and copper-clad aluminum have different termination and resistance characteristics. For this 18AWG cable, refer to the stated conductor material and resistance rather than interpreting icons as standardized test results.
| Comparison of Common Conductor Materials | |||
| Comparison Item |  Tinned Copper |  Pure Copper |  CCA Copper-Clad Aluminum |
| Easy to Solder |  |  | |
| Conductivity | | | |
| Oxidation Resistance | | | |
| Corrosion Resistance | | | |
| Durability | | | |
Tinned copper helps simplify solder termination and resist oxidation of exposed strands.
The aluminum and tinned-copper shielding layers surround the insulated conductors and can help reduce coupled noise near motors, VFDs and switching power electronics. Shield effectiveness depends on cable routing, connector construction and grounding. Follow the relevant equipment manufacturer’s EMC instructions; shielding does not substitute for a dedicated protective-earth conductor.
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| Transformer | Electronic Instrument |
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| Electrical Appliance | Motor and CNC Equipment |
Typical application areas include CNC control panels, sensors, instruments, stepper-drive command circuits, auxiliary electrical connections, 3D printer controls and compatible audio or control systems. For main spindle or inverter-to-motor power connections, verify the specific VFD cable construction and installation standard before selecting a cable.
Request an OEM Shielded Cable Quote
Select 18AWG 3-conductor cable when the device or control circuit needs three insulated conductors. Confirm whether the application requires a true twisted pair, a dedicated earth conductor, separate shielding, or additional cores. The three conductors in this product are not the same as three separately shielded twisted pairs.
For OEM and wholesale purchasing, provide the machine or panel model, cable length per roll, total quantity, signal type, voltage, operating current, desired termination and destination market. Include any requirement for continuous motion, chemical exposure, marking or regulatory documents so the selected cable can be reviewed against your specifications.
| Cable configuration | Main difference | Selection guidance |
| 18AWG 2-core (18/2) | Two insulated 18AWG conductors | Consider for compatible two-wire control or auxiliary circuits |
| 18AWG 3-core (18/3) | Three insulated 18AWG conductors | This model; use when the circuit requires three cores |
| 18AWG 4-core (18/4) | Four insulated 18AWG conductors | Consider when the circuit requires an additional insulated connection |
| 20AWG 3-core | Smaller conductors than 18AWG | Review current, voltage drop and equipment terminals before choosing |
| Shielded chain cable | Construction designed for repeated motion | Review when installed in continuous-motion cable carriers |
Always select by the equipment electrical diagram and installation requirements. Cable gauge alone does not determine signal performance, allowable load current, flame rating, or continuous-flex life.
Request an 18/3 Cable Wholesale Quote
For machine wiring near variable-frequency drives and motors, correct separation of power and signal routes, suitable shield bonding and connector selection are as important as the cable construction itself. Confirm whether the application uses low-level analog signals, switching controls, DC auxiliary power or motor power before specifying the cable.
| Installation concern | Recommended check |
| Shield termination | Follow the controller, drive and panel maker’s EMC instructions for bonding and shield continuity |
| Grounding | Provide protective earth where required; do not repurpose foil or shield braid as the protective conductor |
| Motion | Confirm bend radius and motion cycles; a standard flexible cable is not necessarily chain-rated |
| Current and voltage drop | Check the load, cable length, number of loaded cores, routing and installation temperature |
| Signal protocol | For CAN, RS-485 or other differential protocols, confirm pair geometry and characteristic impedance in addition to shielding |
Discuss Shielded Cable Application Requirements
For other circuit configurations, explore Zhong Hua Jiang electrical cable categories including multi-core double-shielded wire for fixed equipment and separately designed shielded chain cable for cable-carrier applications.
Contact Zhong Hua Jiang for Bulk Orders
Huajiang was founded in 2000, initially producing CNC engraving spindle motors before expanding into variable-frequency drives, engraving machines, CNC accessories and electrical wire products. The Zhong Hua Jiang brand was established in 2018 to support broader international-market development.
The company has more than 20 years of manufacturing experience in CNC-related products and holds a registered design patent for an air-cooled spindle-motor series, patent No. 200730184245.5. Products have been supplied to customers in multiple international markets.
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| Quality Assurance Product inspection and quality-control procedures before shipment. | Patents and Experience Long-term CNC manufacturing experience and patented spindle designs. | Integrated Product Range Spindles, VFDs, machines, accessories and shielded wiring solutions. |
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| Factory Supply Direct communication for specifications, quantities and custom lengths. | Technical Support Selection assistance for cable gauge, conductor count and application. | Order and Delivery Support Production coordination, shipment updates and export-order service. |
CNC router models such as 3018, 3020, 3040 and 6090 are available for engraving, cutting, prototyping and small-production applications.
Air-cooled and water-cooled spindle motors are supplied for different power, speed, cooling and machine-integration requirements.
The accessory range includes limit switches, Z probes, emergency-stop buttons and other components used to improve CNC-machine control, safety and setup accuracy.
Double-shielded cables and shielded chain cables are available in different gauges and conductor counts for CNC, VFD, motor, automation and electronic-equipment wiring.
Stepper motors are supplied for controlled motion in CNC machines, automation systems and related positioning applications.
Certification and compliance requirements can vary by market, machine and end use. Request the current product documentation needed for your order and verify that the selected cable satisfies the electrical, fire-performance and regulatory requirements of the final installation.
The cited UL2464 style describes a type of appliance wiring material, but an AWM style number does not by itself identify an individual manufacturer’s certification. Request the applicable product record and RoHS or other compliance documents for your specific ordered construction.
It is used to carry three electrical or signal conductors in applications where electromagnetic interference should be reduced. Typical uses include CNC routers, VFD spindle systems, stepper motors, automation equipment, electronic instruments, 3D printers, transformers, audio circuits and other low-noise equipment wiring.
“18/3” means the cable contains three insulated 18 AWG conductors. In this product, the three conductors are twisted and surrounded by aluminum and tinned-copper shielding layers, with an overall PVC jacket.
The listed rated voltage is 300V and the listed rated temperature is 80°C / 176°F. The final suitability depends on the complete circuit, installation environment and applicable electrical standards.
The aluminum foil and tinned-copper shielding layers form conductive barriers around the insulated cores. When terminated correctly, these layers help control electromagnetic and radio-frequency interference that may otherwise affect signal stability or nearby equipment.
Shield termination depends on the equipment, frequency range, enclosure bonding and EMC design. Follow the CNC, VFD, motor or controller manufacturer's wiring instructions. Do not use the shield as a replacement for a required protective-earth conductor.
Standard flexible shielded cable may be suitable for fixed or occasional-flex installations, but continuous high-cycle motion generally requires a cable specifically designed for drag chains. Provide the bend radius, travel distance, speed and cycle rate so the correct cable type can be confirmed.
All three use 18 AWG conductors, but the conductor count is different. An 18/2 cable has two insulated conductors, 18/3 has three and 18/4 has four. Select the conductor count required by the circuit rather than leaving unused conductors unless the equipment design allows it.
Yes. The listed supply range is 5 m to 5,000 m. Send the required length per roll, total quantity, application, destination market and any packaging or labeling requirements for quotation confirmation.
Provide the cable gauge, conductor count, required length, estimated quantity, voltage, current, machine or equipment model, installation movement, preferred termination and delivery destination. These details help confirm the appropriate cable and produce an accurate quotation.
Product categories undergo quality-control checks before leaving the factory, and shipment inspection is performed before dispatch. Buyers should also request the current specification sheet, test documentation and compliance files required for their project.
The listed overall jacket diameter is 6.0 ± 0.15mm. Verify this against the approved drawing before choosing a cable gland, connector housing or conduit entry.
The supplied specification lists black, red and yellow insulated conductors. Confirm color assignments against the equipment wiring diagram before installation.
No. The stated construction has three insulated conductors twisted together; three conductors are not the same as three twisted pairs or three individually shielded pairs.
This depends on the equipment circuit, voltage, current, electrical noise and conductor allocation. Check the machine wiring diagram and acceptable voltage drop; separate signal and power wiring where required.
Do not assume so. The listed cable is described for compatible control and equipment connections. VFD motor-power circuits may require purpose-designed motor cable, appropriate voltage and insulation ratings, EMC termination and a protective-earth conductor.
Not automatically. Those networks can require a specified twisted-pair construction and characteristic impedance. The general three-core product information does not establish either value; confirm compatibility with the network specifications.
The supplied specification lists 26.7 Ω/km at 20°C. For voltage-drop assessment, account for the circuit path, cable length, current, temperature and connector losses.
No. Shielding is intended for electromagnetic compatibility. Protective earthing, where required, must follow the installation standard and equipment manufacturer’s wiring instructions.
18AWG conductors are larger than 20AWG conductors. For comparable conductor materials, the larger gauge generally has lower electrical resistance, but the choice must also consider current, routing space, terminals and cable length.
The listed information does not establish a continuous-flex cycle rating. For repeated movement, specify a cable intended for cable carriers and confirm its bend radius, travel distance and cycle requirements.
No. UL2464 describes a construction style. Buyers should check the applicable current certification records and marking for the specific manufacturer, cable construction and purchase specification.
Published technical data list insulation resistance of 10 MΩ/km at 20°C and a dielectric test of 2000 VAC/min. Because the stated test format lacks full method details, request the current test procedure and acceptance criteria before technical approval.
The stated product range includes lengths from 5m to 5,000m. For purchasing, specify the length per roll, quantity, labeling, destination and any packaging requirements, then confirm the available production and packing options.
Provide the machine model, circuit purpose, number of conductors, working voltage and current, cable length, preferred termination, motion conditions, total quantity, destination country and required supporting documents.
