Vertex 14 AWG Black Marine Primary Wire 100 ft – 1426140101
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Vertex 14 AWG Black Marine Primary Wire – 100 ft Spool
Part Information
- Part Number: 1426140101
- Brand: Vertex
- Official Product Type: Single-Conductor Marine Primary Wire – UL 1426 BC-5W2 Boat Cable
- Wire Gauge: 14 AWG
- Color: Black
- Length: 100 ft (30.5 m)
- Cable Classification: UL 1426 BC-5W2
- Standards Compliance: ABYC E-11 · NMMA · USCG 33 CFR 183.430/183.435 · SAE J378, J1127, J1128
What This Wire Is For
This is a 100 ft spool of 14 AWG black, single-conductor marine-rated primary wire for DC electrical installations aboard recreational boats. It is correctly sized and rated for branch circuits where 14 AWG is appropriate based on amperage and run length.
Compatible Applications
- Navigation and interior lighting circuits
- Bilge pumps and livewell pumps
- Switches and relay circuits
- Marine instruments and gauges
- VHF radios and electronic accessories
- Control and signal wiring
- General DC branch circuit wiring
Fitment & Selection Notes
This listing is for the 14 AWG / black / 100 ft configuration only. Always confirm the following before ordering:
- Required conductor gauge for your circuit amperage and run length
- Total round-trip circuit length (for voltage-drop calculation)
- Required conductor color per ABYC or NMMA wiring standards
- Correct overcurrent protection for the circuit
Black conductor is used for negative DC circuits under ABYC E-11 color coding. Confirm your circuit's color requirement before installation.
When to Replace Marine Wiring
- Insulation is cracked, brittle, melted, or abraded
- Conductors show corrosion, discoloration, or heat damage at terminals
- Repeated terminal overheating or voltage drop issues
- Existing wire is undersized for the current circuit load
- Circuit is being upgraded, rerouted, or extended
- Wiring has been exposed to water intrusion or mechanical damage
Installation Notes
Route away from sharp edges, exhaust surfaces, and moving components. Use marine-rated terminals and properly sized crimping tools. Support the conductor along the run and install appropriate overcurrent protection. For extended DC runs, calculate voltage drop before committing to 14 AWG — conductor adequacy depends on both amperage and wire length.
Related Spool Sizes
Longer spools in the same 14 AWG black configuration are available under separate part numbers (1426140102 – 250 ft, 1426140103 – 500 ft). Contact us if you need a larger quantity.
Parts Desk Insights
This wire is the right choice when you need a full 100 ft spool of properly rated marine primary wire for new builds, rewires, or circuit additions. The most common issue customers encounter is selecting wire by gauge alone without accounting for run length — on a long bilge pump circuit, 14 AWG may introduce unacceptable voltage drop even if the amperage looks fine. Verify your round-trip distance and use a voltage-drop calculator before installation. Pair with marine-rated heat-shrink butt connectors and ring terminals for a clean, corrosion-resistant finish.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.