Petroleum Resistant Cables

Summary: Petroleum Resistant Cables

Petroleum Resistant Cables

When your project involves fuel, oils, solvents, or gas vapor exposure, reliable low‑voltage cabling is essential. Windy City Wire manufactures SmartWire® petroleum resistant cables in Bolingbrook, IL to help contractors and facility teams deploy controls, instrumentation, and data links that stand up to harsh environments. Our petroleum resistant cable options are purpose-built for fuel dispensing systems, tank monitoring, process controls, leak detection, sensors, alarms, and industrial networking in and around refineries, terminals, and service stations.

Every SmartWire cable is made in the United States and designed to help you install with confidence. Jackets and insulations are selected for gas and oil resistance, sunlight resistance, and suitability for wet locations, with shielded and unshielded constructions available. SmartWire Glide Technology® cable lubrication comes standard and reduces pulling friction by up to 70%, supporting smoother pulls through long conduit runs, tight bends, and crowded trays. The result is dependable performance in petroleum environments and fewer installation delays.

How Windy City Wire adds value on petroleum projects

• Purpose-built petroleum resistant cable options for controls, instrumentation, and data (oil/gas resistant and suitable for harsh environments).
• All products are low‑voltage, simplifying standardization across power‑limited circuits and network infrastructure.
• Available AWGs: 14, 16, 18, 22, 23, and 24 for the right balance of distance and flexibility.
• Shielding options for noise-sensitive runs (overall foil shields with drain wire) and unshielded designs where EMI is minimal.
• Insulation/jacket systems include THHN, TFFN, and FEP plenum constructions for oil, gas, and vapor resistance, including wet-location use.
• Network options such as Category 5e and Category 6 help extend data connectivity into petroleum handling areas.
• Standard 1000 FT lengths; select items are also available in 2500 FT and 5000 FT to match project scope and reduce waste.
• SmartWire Glide lubrication is included at no additional cost to support faster, cleaner pulls.

Typical applications

• Fuel dispensers, tank monitoring, leak detection, SCADA and PLC I/O
• Valves, sensors, alarms, interlocks, and power‑limited control circuits
• Industrial Ethernet drops for forecourt POS, cameras, access control, and facility networks

Available constructions

• 22 AWG 9 Conductor Stranded FEP Plenum 300V: Individually shielded twisted pairs (with tinned copper drain) and a gas/vapor‑resistant FEP jacket for noise‑sensitive instrumentation in fuel areas.
• 24 AWG 1 Pair Stranded FEP Plenum 300V: Tinned copper pair with overall foil shield (O/A) and FEP jacket for wet locations; well‑suited to sensors, controls, and low‑current signaling exposed to petroleum.
• 24 AWG 4 Pair Solid Polyolefin 300V: Category 5e (350 MHz) UTP with an oil/gas and sunlight‑resistant jacket for industrial Ethernet runs in demanding environments.
• 23 AWG 4 Pair Solid Polyolefin 300V: Category 6 UTP for higher‑bandwidth networking where petroleum resistance and durability are required.
• 14 AWG 1 Pair Stranded THHN 600V: Red/Black twisted pair (10–12 twists per foot) for robust power‑limited control and pump/motor signaling in oily or greasy locations.
• 16 AWG 1 Pair Stranded TFFN 600V: Flexible twisted pair for control circuits around dispensers and equipment; nylon‑jacketed thermoplastic resists oils and gasoline.
• 18 AWG 1 Pair Stranded TFFN 600V: Compact control/signal pair for alarms, interlocks, and sensors where petroleum resistance and easy routing are priorities.

Selection notes

• Shielding: Choose shielded constructions with drain wires when EMI/RFI or long parallel runs with power are present; use unshielded where interference is low.
• Jacket/insulation: FEP plenum for gas/vapor‑tight, petroleum‑resistant plenum spaces; THHN/TFFN for durable, oil‑resistant control and power‑limited circuits.
• Color identification: Standard conductor color codes help speed terminations and service. Jacket color options support easy field identification across sites.
• Lengths: 1000 FT standard; select petroleum resistant cables are available in 2500 FT and 5000 FT for large projects.

Why SmartWire for petroleum resistant cable?

• Manufactured in the USA for consistent quality and compliance.
• Low‑voltage products and solutions tailored to the realities of petroleum facilities and outdoor installations.
• Reduced installation time thanks to SmartWire Glide lubrication and construction details that pull cleanly through conduit.
• A broad portfolio—control, instrumentation, and data—enables a single‑source approach for oil and gas resistant wiring needs.

Partner with Windy City Wire for petroleum resistant low‑voltage wire that helps you complete work safely and efficiently—project after project.

Solutions: Petroleum Resistant Cables

Petroleum Resistant Cables for Low‑Voltage Control, Sensing, and Networking
Windy City Wire petroleum resistant cable is engineered for fuel handling, oil and gas, and other hydrocarbon‑rich environments where traditional wiring can degrade. From retail fueling stations to terminals and industrial process areas, our low‑voltage petroleum wire delivers chemical, oil, gas, and sunlight resistance with constructions tailored to control, instrumentation, and data applications. Options span multiple gauges, pair counts, and shielding styles to help you standardize across new builds, retrofits, and service work.

Where petroleum‑resistant low‑voltage cable is used

• Retail fueling and forecourt systems: dispensers, submersible pump control, tank monitoring, POS networking, canopy lighting control
• Fleet fueling yards, truck stops, and convenience store sites
• Tank farms, terminals, and bulk plants: inventory management, overfill protection, and leak detection
• Refineries, petrochemical processing, and industrial process skids
• Pipeline pump stations and storage facilities
• Marina fueling docks and coastal facilities (tinned copper options help combat corrosion)
• Aviation fueling (FBOs and fuel farms)
• Ancillary systems around fueling sites: car wash control, building automation, access control, video surveillance, and alarm signaling

Common systems and integrations this low‑voltage petroleum wire supports

• Tank gauging and leak detection: Multi‑conductor and twisted, shielded pairs reduce noise for probes, floats, and sensors exposed to pumps and VFDs.
• Dispenser and submersible turbine pump control: 14–18 AWG twisted pairs (THHN/TFFN) for contactor control, interlocks, E‑stop circuits, and monitoring.
• SCADA, PLC, and instrumentation loops: 22–24 AWG stranded, shielded constructions for analog and digital signals in harsh, oil‑rich areas.
• Industrial Ethernet and site networking: Petroleum‑resistant Category 5e (350 MHz) and Category 6 options for POS, forecourt controllers, cameras, and IIoT devices.
• Security, access, and life safety: Door control, alarm notification, and monitoring where chemical resistance is required.
• Lighting and energy management: Low‑voltage control and dimming signals routed through areas exposed to fuel vapors, oils, and sunlight.

Choosing the right petroleum‑resistant construction

• THHN (Thermoplastic High Heat‑resistant, Nylon‑jacketed): A solid choice for 600 V control and power‑limited circuits pulled in conduit around dispensers, STPs, and control panels. The nylon outer layer provides added resistance to oil and gasoline splash, while stranded options improve flexibility for tight routing.
• TFFN (Thermoplastic Flexible Fixture, Nylon‑jacketed): Stranded for flexibility, ideal for control cabinets, machine spaces, or areas with frequent service where repeated movement or tighter bends occur. The nylon jacket adds petroleum resistance for fuel island and forecourt work.
• TFN (Thermoplastic Fixture, Nylon‑jacketed): Similar to TFFN but less flexible; appropriate for protected runs in conduit where petroleum resistance is required and frequent cable movement is not expected.
• FEP plenum sensor and instrumentation: Stranded tinned copper with FEP insulation and jacket provides excellent chemical resistance, low smoke in plenum spaces, and a robust barrier against fuel vapors. Available with twisted pairs, individual pair shields (with drain), and overall shielding to maintain signal integrity near pumps and drives.
• Shielding options for noisy environments: Aluminum/Mylar or overall foil shields with dedicated drain wires help mitigate EMI/RFI from motors, VFDs, and switching power supplies common in fueling systems.
• Twisted pairs for stable signals: Consistent twists per foot help ensure accurate readings for tank probes, leak detection, and control signals over long runs.
• Harsh‑environment jackets: Sunlight, gas, and oil‑resistant jackets withstand exposure on canopies, in sumps, or at grade, helping minimize downtime and rework.
• Industrial Ethernet (Cat 5e / Cat 6): Petroleum‑resistant data cables support POS terminals, site controllers, and IP cameras while standing up to oils and fuels encountered outdoors and in maintenance areas.

Key selection details

• Available gauges (AWG): 14, 16, 18, 22, 23, 24 to match distance, voltage drop, and device requirements.
• Conductor formats: 1‑pair control leads through 9‑conductor and multi‑pair sensor cables; stranded conductors for flexibility; tinned copper to combat corrosion in damp or marine‑adjacent locations.
• Shielding: Shielded and non‑shielded versions to align with EMI exposure and grounding practices.
• Insulations: THHN and TFFN for 600 V control and fixture wiring; FEP constructions for chemically aggressive or plenum areas.
• Ethernet choices: Category 5e 350 MHz and Category 6 for industrial networking and video backhaul; select by network speed and device needs.
• Voltage rating: Options include 300 V data/communications and 600 V control/fixture wiring. Choose based on circuit classification and code requirements.
• Lengths: Available in 1000, 2500, and 5000 ft lengths to suit project scale and service truck stock.
• Identification: Multiple jacket and conductor color codes (including common blue/white, orange/white, green/white, brown/white pairs and red/black control conventions) simplify installation and troubleshooting.

How this helps your petroleum site

• Resists gasoline, diesel, oils, and UV exposure for reliable service life in forecourt and terminal environments.
• Maintains signal integrity near pumps, VFDs, and generators through twisted pairs and shielded options.
• Supports mixed systems on the same site—control wiring, instrumentation loops, and IP networking—so you can standardize sourcing and simplify maintenance.
• Stranded and flexible constructions streamline pulls through conduit runs, junction boxes, and equipment racks.
• Tinned copper choices help reduce corrosion and oxidation in wet or salt‑air locations.

Typical application mapping

• Tank probes, ATG, and leak detection: 22–24 AWG, twisted shielded pairs with drain (FEP jacket where chemical exposure or plenum routing is expected).
• Dispenser and STP control: 14–18 AWG THHN/TFFN twisted pairs for contact closures, control relays, and E‑stop wiring.
• Forecourt networking (POS, cameras, controllers): Petroleum‑resistant Cat 5e or Cat 6; select based on bandwidth and device count.
• Alarm, access, and intercom: Low‑voltage multi‑conductor or twisted pair cables with shielding as needed for noise immunity.
• Car wash and auxiliary systems: TFFN/THHN control wiring where oil, detergents, and moisture are present.

Best‑practice notes
Always follow local codes and the NEC for classified locations around fueling equipment. Match cable construction to circuit type (voltage/class), environmental exposure (fuel, oil, UV, wet location), and noise environment (shielding). Use proper grounding of shields and observe bend radius and pulling guidelines to protect conductor integrity.

Get help specifying the right petroleum resistant cable
Whether you are wiring a new forecourt, upgrading ATG and leak detection, or hardening a terminal’s control and networking, our team can help you select the correct low‑voltage petroleum wire—THHN, TFN, TFFN, FEP‑jacketed instrumentation, or petroleum‑resistant Category cable—to support reliable operation and streamlined maintenance across your facility.

Frequently Asked Questions: Petroleum Resistant Cables

• What AWG conductors are available with these SmartWire Petroleum Resistant cables?

  Available AWG sizes include 14, 16, 18, 22, 23, and 24 AWG (varies by construction).

• What other colors are these SmartWire Petroleum Resistant cables available in?

  Available jacket/stripe color combinations include: Black/Red, Blue-White/Blue, Orange-White/Orange, Yellow/Red, Black/White, Brown/White, Brown/Purple, Yellow/Brown, Yellow/Purple, Yellow/Blue, Orange/Yellow, Black and White Twisted, Black/Blue, Orange/Blue, Purple/Yellow, Brown/Yellow, Blue/Yellow, Purple/Orange, Brown/Gray, Blue/White, Green/White, White/Yellow, Orange/Red, Pink/Gray, Red/Blue.

• Are these SmartWire Petroleum Resistant cables made with solid or stranded copper conductors?

  These SmartWire® Petroleum Resistant Cables are made with stranded copper conductors (many constructions utilize tinned, stranded copper for added corrosion resistance and flexibility).

• What lengths are these SmartWire Petroleum Resistant cables sold in?

  At Windy City Wire, we manufacture and stock SmartWire Petroleum in 1,000 ft length as our standard length. Additional lengths of 2,500 ft and 5,000 ft are available on select constructions.

• How is your SmartWire low-voltage Petroleum cables sold on spools or in boxes?

  Our SmartWire Petroleum wire is packaged in our patented RackPack carton for jobsite efficiency. Learn more about our RackPack: https://windycitywire.com/solutions/rackpack-overview

• What is the main difference between THHN, TFFN, and TFN Petroleum wires?
  • THHN: Thermoplastic High Heat-resistant Nylon. 600 V rating, 90°C dry (commonly 75°C wet), robust PVC insulation with a nylon outer layer for excellent abrasion and chemical resistance. Ideal for conduit runs, industrial controls, and harsh petroleum environments where durability is critical.
  • TFFN: Thermoplastic Flexible Fixture Nylon. 600 V rating, 90°C dry. Thinner-wall insulation with flexible stranding for easier pulls and tight bends. Common in lighting fixtures, control panels, and machine tools where flexibility and compact size are priorities.
  • TFN: Thermoplastic Fixture Nylon. 600 V rating, 90°C dry. Similar construction to TFFN but typically less flexible (solid or fewer strands). Suited for fixture wiring and applications where flexibility is not as critical and a slimmer profile is acceptable.

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