FEP-Insulated High-Temperature Hook-Up Wire 375 V
This 375 V single-core hook-up wire combines stranded copper conductors with thin-wall FEP insulation. It provides excellent resistance to chemicals and solvents, stable dielectric characteristics and reliable flexibility across an extended temperature range from −90°C to +180°C.
Key Highlights
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Recommended for internal wiring and electrical connections exposed to temperature extremes, chemicals or demanding dielectric requirements.
Typical applications include:
- Industrial furnaces and heating equipment
- Chemical-processing machinery
- Brick and ceramic production equipment
- Construction and mobile machinery
- High-frequency and broadband equipment
- Microwave and communication equipment
- Measuring and laboratory instruments
- Sensors and control devices
- Internal wiring in compact electrical equipment
This is a single-core hook-up wire and is not intended to function independently as a coaxial or complete data-transmission cable.
| Component | Construction |
| Conductor option 1 | Stranded bare copper |
| Conductor option 2 | Stranded tinned copper according to ASTM B 286 |
| Insulation | FEP type 6YI1 according to VDE 0207-6 |
| Cable form | Single insulated conductor without an additional outer sheath |
| Standard colors | Black, blue, brown, grey, yellow, green, violet, white, orange, red and natural |
| Property | Reference Value |
| Maximum operating voltage | 375 V |
| North American reference voltage | 600 V, subject to applicable certification |
| Test voltage | 2000 V |
| Minimum inner bending radius | 0.5 × insulated-wire diameter for one single bend |
| Temperature range, fixed | −90°C to +180°C |
| Temperature range, flexible | −55°C to +180°C |
| Limited-time temperature | Up to +200°C |
| North American temperature reference | Up to +150°C |
| Radiation resistance | Approximately 1 × 10⁷ cJ/kg |
| Flame performance | Flame-retardant and self-extinguishing according to IEC 60332-1-2 |
| North American flame reference | FT2, only where separately certified |
| Oil resistance | Very good, based on UL 758 testing at 80°C for 80 days |
| Chemical resistance | Very good resistance to acids, halogens, bases, chlorinated solvents and organic or inorganic compounds |
| Compliance reference | RoHS-compliant materials |
| Conductor Size | Nominal Strand Ø | Approx. Insulated Ø | Copper Weight | Approx. Wire Weight |
| AWG 28/7 | 0.127 mm | 0.70 mm | 0.9 kg/km | 1.4 kg/km |
| AWG 26/7 | 0.160 mm | 0.80 mm | 1.4 kg/km | 2.0 kg/km |
| AWG 24/7 | 0.203 mm | 0.93 mm | 2.1–2.2 kg/km | 2.9 kg/km |
| AWG 22/7 | 0.254 mm | 1.08 mm | 3.4 kg/km | 4.2 kg/km |
| AWG 20/7 | 0.320 mm | 1.28 mm | 5.4 kg/km | 6.3 kg/km |
| AWG 16/19, tinned-copper version | 0.287 mm | 1.79 mm | 11.8 kg/km | 12.7 kg/km |
Other conductor sizes, insulation colors and conductor finishes are available on request.
THE FACTORY
BEHIND EVERY METER
Founded in 2007 in Foshan, Guangdong, Hulk Electric has grown from a regional producer into a globally recognised manufacturer of customised industrial cable solutions. Our 10,000㎡ facility runs on Toyota Production System lean principles, operated by 150+ skilled professionals producing over 300,000 metres every month.
Every cable you see on this page — including the HK-TRVV series — is engineered, extruded, tested, and shipped from that single facility. No trading company sits between you and the extrusion line.
Source Factory
Direct manufacturer — no middlemen, no markups. You deal with the engineers who run the line.
Deep Customization
Conductor, shielding, jacket compound, colour coding, certification — built to your exact spec.
7-Day Sampling
Rapid samples for new specifications. 15-day lead time on standard production orders.
Global Compliance
35+ certifications covering UL, CE, TÜV, IEC, RoHS and REACH for every major market.
BEFORE YOU ORDER
For stocked configurations listed in the ordering table, MOQ is 100 metres per specification. Custom configurations — non-standard core counts, jacket colours, or special compounds — carry a 500 metre MOQ. Samples of 5–10 metres are available free of charge for qualification testing.
Use shielded (P or PP suffix) whenever the cable runs alongside servo drives, VFDs, or inverters, or when carrying encoder, sensor, or analogue signals. Unshielded is suitable for pure power distribution and simple on/off control lines. If in doubt, our engineering team can review your cabinet layout and advise — this is included with any quotation.
Yes. Send us the existing part number or a sample and we will produce a cross-reference specification with matching electrical, mechanical, and dimensional characteristics. Most cross-references are turned around within 3 working days, with a physical sample following within 7 days.
Standard shipments include the CE Declaration of Conformity, RoHS and REACH statements, and the batch test report. UL Recognition (UL 2464 / UL 20549) is available on request for North American projects — specify this at the quotation stage as it affects the material specification.
Standard configurations ship in 15 working days from order confirmation. Custom-engineered specifications typically require 20–25 working days, depending on compound availability. Rapid sampling for new specifications is 7 days. We will confirm the exact date in writing with your order acknowledgement.
Engineering Support for Your Application
Tell Us How Your Cable Needs to Move
Send us a datasheet, drawing, existing cable model or a short description of your application. Our engineering team will help you identify a suitable cable construction.
- 01 Motion type, travel distance and minimum bend radius
- 02 Voltage, current, signal protocol and shielding needs
- 03 Operating environment, target service life and quantity
