12 AWG 3C Shielded VFD Cable W/ 3 #16 Grounds

"12/3 Shielded VFD Cable is a specialized, 600V TC-ER / 1000V Type Motor Supply rated solution engineered to deliver clean power from Variable Frequency Drives to demanding industrial motors. Featuring a unique 3-conductor configuration with symmetrical grounding, this heavy-duty 12 AWG cable utilizes a premium dual-layer shield (aluminum foil tape and tinned copper braid) along with moisture-resistant XLPE insulation to suppress intense EMI/RFI noise, handle severe high-frequency voltage spikes, and completely eliminate the need for costly termination kits. Encased in a rugged, direct burial rated PVC jacket, it provides maximum longevity in the harshest industrial and outdoor pump environments."

Why Professionals Choose 12/3 Symmetrical Ground VFD Cable

Standard electrical wire acts like an antenna under high-frequency VFD switching, bleeding noise into control circuits and destroying motor bearings. This 3-conductor symmetrical layout is engineered to eliminate those failures entirely:

• Symmetrical Ground Balance: Rather than one large ground, this design splits the ground path into three individual #16 AWG conductors nestled symmetrically between the phase conductors. This cancels out common-mode stray voltage currents, protecting motor bearings from electrical pitting.

• 100% EMI/RFI Noise Suppression: Combines a 100% coverage aluminum/mylar/aluminum foil shield with a heavy tinned copper braid. This dual-layer defense seals in high-frequency switching noise before it can glitch nearby PLCs, sensors, or Ethernet lines.

• No Termination Kits Required: Unlike some alternative VFD configurations, this highly efficient 3-conductor layout is engineered to connect cleanly directly to terminals without requiring expensive, labor-intensive termination kits.

• Exposed Run (TC-ER) Rated: Complies with UL 1277 for direct-run installation from the cable tray directly to the motor housing, completely saving the high material and labor costs of running rigid metal conduit.

Technical Specifications: 12/3 Shielded VFD Cable

ENGINEERING OVERVIEW: 12 AWG 3C VFD Cable

• Application: Variable Frequency Drive motor connections, high-torque conveyors, heavy-duty pumps, fans, and wind turbine tray applications.

• Voltage Rating: 600 Volts (UL Type TC-ER) / 1000 Volts (UL Type Motor Supply).

• Ampacity Rating: 30 Amps (90°C continuous duty).

• UL / CSA Listings: UL 1277 Type TC-ER, Type XHHW-2, UL 2277 WTTC (Wind Turbine Tray Cable), CSA AWM I/II A/B, c(UL) CIC-TC.

• Conductor Material: Stranded fine-wire soft drawn tinned copper (12 AWG).

• Ground / Symmetrical Ground Paths: 3 individual #16 AWG stranded soft drawn tinned copper grounds.

• Insulation: Cross-linked Polyethylene (XLP), rated 90°C Wet/Dry.

• Shielding: Dual-layer defense: 100% coverage Aluminum/Mylar/Aluminum tape + heavy tinned copper braid.

• Color Code: ICEA Method 4 (All black insulated conductors printed with "1-One", "2-Two", "3-Three").

• Jacket Material: Premium PVC (Black, sunlight, moisture, oil, and abrasion resistant; Direct Burial rated).

• Temperature Rating: -40°C to 90°C.

• Flame Test Compliance: CSA FT-4 vertical tray flame test; Meets UL 1202/1583 (70,000 BTU) & ICEA T-29-520 (210,000 BTU) flame tests.

• Environmental/Location: Suitable for Class I Division II Hazardous Locations; RoHS II & REACH compliant.

Common 12/3 VFD Cable Applications

• Precision Automated Machinery: Powering fractional horsepower VFD motors in bottling, packaging, and high-speed assembly lines where nearby sensor interference must be avoided.

• Chemical & Water Treatment Pumps: Suppressing destructive bearing currents in wet, corrosive environments where the rugged, direct-burial PVC jacket protects against chemical washdowns.

• HVAC Blowers & Exhaust Fans: Eliminating electromagnetic noise lines inside commercial air handling systems to prevent building automation system errors.

• Wind Energy Equipment: Excellent for internal wind turbine nacelle and tray wiring due to its dual WTTC 1000V and flexible motor supply ratings.

Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.

This multi-certified, symmetrically grounded 12/3 VFD cable is engineered to solve critical electrical and mechanical challenges across modern automation and industrial environments:

Key Applications & Equipment

• Precision Automated Machinery: Powering high-torque VFD motors in bottling, packaging, and high-speed assembly lines where nearby sensor interference must be avoided.
• Chemical & Water Treatment Pumps: Suppressing destructive bearing currents in wet, corrosive environments where the rugged, direct-burial PVC jacket protects against chemical washdowns.
• HVAC Blowers & Exhaust Fans: Eliminating electromagnetic noise lines inside commercial air handling systems to prevent building automation system errors.
• Wind Energy Equipment: Excellent for internal wind turbine nacelle and tray wiring due to its dual WTTC 1000V and flexible motor supply ratings.

Technical Problem Solvers

Preventing Motor Bearing Failures in Integral HP Pumps

Variable frequency drives can generate harmful common-mode voltages that discharge through motor bearings, causing premature failure. Utilizing this heavy-duty 12 AWG 3-conductor symmetrically shielded cable on integral horsepower motors (5 HP to 15 HP) properly drains these destructive high-frequency currents directly back to the drive ground, eliminating electrical pitting and extending motor lifespan.

Eliminating PLC and Sensor Interference in Automated Conveyors

In high-speed packaging, heavy material handling, and automated sorting facilities, the high-frequency switching of VFDs acts as an antenna, disrupting nearby low-voltage sensor lines and PLC control loops. The 100% foil and tinned copper braid shielding traps that high-frequency electromagnetic interference (EMI) completely, keeping your automated plant floor running smoothly.

Conduit-Free Routing to Lower Installation Expenses

Pulling heavy, rigid metal conduit through tight manufacturing corridors is incredibly labor-intensive. Because this cable is UL-listed as Type TC-ER (Exposed Run), electrical codes permit installers to route it exposed right out of the cable tray and straight into the machine terminals, cutting down on-site installation time and material costs significantly.

Reliable Performance in Chemical and Wastewater Washdowns

Industrial processing pumps and mixers are exposed to continuous moisture, harsh chemical sprays, and oil splatter. The heavy-duty, sunlight-resistant PVC jacket and robust cross-linked (XLPE) insulation ensure the core conductors stay completely isolated, preventing short circuits and eliminating costly line maintenance.

  ⚠️ Application & Safety Note The scenarios described above are common industrial use cases. Because project requirements, motor specs, and local electrical codes vary, please consult with a licensed electrical engineer or certified industrial contractor to verify compatibility and code compliance before purchasing and installing these materials.

General Shipping Information

In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.

You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.

Expedited Shipping

Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).

Returns

You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.

Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.

Orders on any items with a material value of $50 or less are non-returnable.