1000V M16878/12 Hookup Wire FEP Insulation for Building Power Heating High Temperature Resistance
M16878/12 (MIL-W-16878/12 / NEMA HP-4 TYPE KK) is a heavy-wall extruded FEP insulated hook-up wire, rated for 1000V. It is designed for high-temperature applications, featuring a robust FEP insulation that provides reliable performance in demanding environments.The FEP insulation offers outstanding high temperature resistance, corrosion resistance, moisture resistance, aging resistance, abrasion resistance, and flame retardance. It also exhibits excellent thermal stability, chemical resistance, oxidation resistance, and high reliability.
- High Voltage & Temperature Rating: Operates reliably at 1000V AC, with continuous use from -60°C to +200°C .It can withstand short-term exposure up to 300°C, making it ideal for systems exposed to current overloads or mechanical stress.
- Heavy-Wall FEP Insulation: Minimum 0.015" (0.38mm) thick FEP insulation for enhanced dielectric strength and voltage withstand.
- Superior Chemical & Environmental Resistance: Inert to most chemicals, non-flammable, self-extinguishing, and stable against UV, oxidation, and moisture.
- Low Dielectric Loss: FEP's low dielectric constant minimizes power loss and signal degradation, making it suitable for high-frequency and precision electronic applications.
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Mili tary Electronics: Radar, communication, and navigation systems requiring vibration and heat resistance.
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Aerospace Avionics: Instrument panels and electronics bays where lightweight and reliability are critical.
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High-Temp Industrial: Ovens, temperature controllers, and motor leads needing long-term thermal stability.
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Thermocouple Extension: Type KK signal transmission from high-heat zones to control instruments.
When your application demands the highest reliability in extreme conditions—whether soaring temperatures, corrosive chemicals, or mission-critical electronics—M16878/12 NEMA HP-4 TYPE KK standards wire delivers proven performance. Backed by decades of mili tary and aerospace qualification, this FEP-insulated hook-up wire represents the gold standard for high-temperature signal and control wiring. FEP insulation also resists solvents, greases, ozone and most other chemicals.
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Part Number |
Mil Spec |
Conductor |
Insulation Diameter |
Maximum resistance |
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AWG |
Stranding |
Diameter Inches(mm) |
Min. Inches(mm) |
Max. Inches(mm) |
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M16878/12-32-1 |
M16878/12 BAA-X |
32 |
1/32 |
.008 (.20) |
.034 (.87) |
.042 (1.07) |
554 |
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M16878/12-32-7 |
M16878/12 BAB-X |
32 |
7/40 |
.009 (.23) |
.036 (.91) |
.044 (1.12) |
567 |
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M16878/12-30-1 |
M16878/12 BBA-X |
30 |
1/30 |
.010 (.254) |
.036 (.91) |
.044 (1.12) |
348 |
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M16878/12-30-7 |
M16878/12 BBB-X |
30 |
7/38 |
.012 (.31) |
.038 (.97) |
.046 (1.17) |
329 |
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M16878/12-30-19 |
M16878/12 BBG-X |
30 |
19/42 |
.012 (.31) |
.038 (.97) |
.046 (1.17) |
315 |
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M16878/12-28-1 |
M16878/12 BCA-X |
28 |
1/28 |
.013 (.33) |
.039 (.99) |
.047 (1.19) |
223 |
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M16878/12-28-7 |
M16878/12 BCB-X |
28 |
7/36 |
.015 (.38) |
.041 (.99) |
.049 (1.24) |
210 |
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M16878/12-28-19 |
M16878/12 BCE-X |
28 |
19/40 |
.015 (.38) |
.041 (1.04) |
.049 (1.24) |
207 |
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M16878/12-26-1 |
M16878/12 BDA-X |
26 |
1/26 |
.016 (.41) |
.042 (1.07) |
.050 (1.27) |
138 |
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M16878/12-26-7 |
M16878/12 BDB-X |
26 |
7/34 |
.019 (.48) |
.045 (1.14) |
.053 (1.35) |
131 |
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M16878/12-26-19 |
M16878/12 BDE-X |
26 |
19/38 |
.019 (.48) |
.045 (1.14) |
.053 (1.35) |
123 |
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M16878/12-24-1 |
M16878/12 BEA-X |
24 |
1/24 |
.020 (.51) |
.046 (1.17) |
.054 (1.37) |
94 |
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M16878/12-24-7 |
M16878/12 BEB-X |
24 |
7/32 |
.024 (.61) |
.050 (1.27) |
.058 (1.47) |
90 |
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M16878/12-24-19 |
M16878/12 BEE-X |
24 |
19/36 |
.024 (.61) |
.050 (1.27) |
.058 (1.47) |
86 |
|
M16878/12-22-1 |
M16878/12 BFA-X |
22 |
1/22 |
.025 (.64) |
.051 (1.30) |
.060 (1.52) |
55 |
|
M16878/12-22-7 |
M16878/12 BFB-X |
22 |
7/30 |
.030 (.76) |
.056 (1.42) |
.064 (1.63) |
52 |
|
M16878/12-22-19 |
M16878/12 BFE-X |
22 |
19/34 |
.030 (.76) |
.056 (1.42) |
.064 (1.63) |
49 |
|
M16878/12-20-1 |
M16878/12 BGA-X |
20 |
1/20 |
.032 (.81) |
.058 (1.47) |
.066 (1.68) |
34 |
|
M16878/12-20-7 |
M16878/12 BGB-X |
20 |
7/28 |
.038 (.97) |
.064 (1.63) |
.072 (1.83) |
33 |
|
M16878/12-20-19 |
M16878/12 BGE-X |
20 |
19/32 |
.038 (.97) |
.064 (1.63) |
.072 (1.83) |
30 |
|
M16878/12-18-1 |
M16878/12 BHA-X |
18 |
1/18 |
.040 (1.02) |
.066 (1.68) |
.076 (1.93) |
22 |
|
M16878/12-18-7 |
M16878/12 BHB-X |
18 |
7/26 |
.048 (1.22) |
.074 (1.88) |
.084 (2.13) |
21 |
|
M16878/12-18-19 |
M16878/12 BHE-X |
18 |
19/30 |
.047 (1.19) |
.074 (1.88) |
.084 (2.13) |
20 |
|
M16878/12-16-19 |
M16878/12 BJE-X |
16 |
19/29 |
.053 (1.35) |
.083 (2.11) |
.095 (2.41) |
15 |
|
M16878/12-14-19 |
M16878/12 BKE-X |
14 |
19/27 |
.067 (1.70) |
.098 (2.49) |
.114 (2.90) |
10 |
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M16878/12-12-19 |
M16878/12 BLE-X |
12 |
19/25 |
.084 (2.13) |
.117 (2.97) |
.133 (3.38) |
6 |
|
M16878/12-10-37 |
M16878/12 BMG-X | 10 | 37/26 | .108(2.74) |
.137 (3.48) |
.153 (3.89) |
4 |
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1.Are you a manufacturer or a trading company?
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A: We are a professional manufacturer of wires and cables, based in Shanghai, with extensive experience since 2005.
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2.What’s your company MOQ?
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A: To ensure the best cost and quality for different products, our MOQ varies, normally it's 2km. Please reach out to our sales team for specific and flexible options.
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3.Can I get the samples?
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A: Yes, we encourage you to verify our quality. Samples are available upon request. A nominal fee may apply, which is deductible from your future bulk order.
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4.Does your company accept customization?
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A: Yes, we provide both OEM and ODM services to meet your specific requirements.
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5.How can I get the right price?
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A: For a precise quotation tailored to your needs, please contact us with detailed specifications (e.g., type, length, color, packaging). We respond quickly.
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6.What services can we provide?
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A: We provide a seamless trading experience: Secure payment (T/T, PayPal), flexible trade terms (FOB Shanghai, EXW Shanghai, etc.), and cooperation with major logistics companies (DHL, FedEx, UPS, or your preferred agent) for door-to-door delivery.Other terms can be discussed based on your needs.
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7.How long will the delivery take?
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A: The general production lead time is 10-15 working days after order confirmation and deposit. Exact time depends on the order quantity and customization complexity.
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8.How do you solve after sale service?
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A: Our relationship doesn't end after a sale. We offer comprehensive after-sales support. If you encounter any issues, our team will provide a swift and effective solution to ensure your complete satisfaction.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



