10/9 Shielded Substation Control Cable - 20/10 PE/PVC

This 10 AWG, 9-conductor shielded substation control cable is a heavy-duty utility cable engineered for demanding multi-circuit supervisory control, metering, and protective relaying circuits. Built to strict ICEA S-73-532 standards, it features a composite 20/10 PE/PVC insulation system and a high-performance copper tape shield. This construction provides exceptional dielectric strength and critical shielding against transient voltage surges and electromagnetic interference (EMI) typical in high-voltage substation switchyards.

Key Features of 10/9 Shielded 20/10 Substation Cable

• Heavy-Duty 20/10 Composite Insulation: Each of the 9 conductors is insulated with 20 mils of Natural Polyethylene (PE) for primary electrical strength and low dielectric loss, paired with a 10 mil Polyvinyl Chloride (PVC) outer skin layer for color coding and robust physical protection.

• Superior EMI/RFI Shielding: Wrapped with a helically applied 5-mil bare copper tape shield (minimum 20% overlap). This provides a low-resistance path to ground, suppressing dangerous high-frequency transients and induced magnetic/electrostatic currents caused by breaker operations and inductive switching.

• Utility-Grade Durability: Protected by a rugged, flame-retardant, and sunlight-resistant black PVC jacket. This enables versatile installation paths—approved for wet or dry conditions, direct burial, open air, cable trays, troughs, or embedded conduit networks.

• Corrosion-Resistant Base: Features premium Class B concentrically stranded bare copper conductors conforming to ASTM B3 and B8, balancing structural stability with industrial installation flexibility.

Common Applications

• Substation Control Networks: Consolidating multiple digital or analog signal paths between control houses, switchyard equipment, marshalling kiosks, and terminal cabinets into a single run.

• Protective Relaying & Telemetry: Connecting arrays of current transformers (CTs), potential transformers (PTs), and circuit breaker trip circuits where false signals from ambient electrical noise must be prevented.

• Utility Metering & Monitoring: Long-run multi-point data interconnects and power monitoring loops operating in high thermal or electrical stress zones near extra-high-voltage (EHV) busses.

• Industrial Heavy Duty Control: General-purpose, low-impedance control functions in power generation plants, chemical refineries, and heavy manufacturing facilities.

Conductor Identification: ICEA E-1 Color Code Sequence

• Black, White, Red, Green, Orange, Blue, White/Black, Red/Black, Green/Black

Technical Specifications

• Conductor Size: 10 AWG

• Number of Conductors: 9

• Conductor Material: Bare Soft Annealed Copper (Class B Stranded)

• Insulation System: 20 mils PE / 10 mils PVC (Total 30 mils per conductor)

• Shielding: 0.005" (5 mil) Helical Bare Copper Tape Shield

• Jacket: Flame-Retardant, Moisture- & Sunlight-Resistant Black PVC

• Voltage Rating: 600V (Available up to 1000V for heavy inductive breaking profiles)

• Temperature Rating: 75°C Wet or Dry

• Compliance Standards: ICEA S-73-532 / NEMA WC 57, ASTM B3 & B8, RoHS Compliant

Technical Note: Utility standards for high-voltage substations (especially 138 kV and above) often require copper tape shields to be grounded at multiple points (at minimum both ends) to mitigate high-frequency transient voltages produced by switchyard arcs, rather than grounding at only the source end to prevent low-frequency ground loops. When implementing the E-1 color code, ensure field technicians cross-reference terminal blocks to avoid using the #4 Green or #2 White conductors as active control legs if your facility reserves those colors exclusively for ground and neutral paths.

CABLE TYPE: 10 AWG / 9-Conductor Shielded Substation Control Cable

DISCLAIMER: The technical information provided is for general reference only. Utility substation construction guidelines are rigorous and highly specific. Always consult with a licensed power utility electrical engineer and comply with ICEA, NEMA, and National Electrical Safety Code (NESC) regulations prior to system deployment.

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.