Custom MC4 Jumper Cable, 12 AWG Copper PV Wire | US-Made Cable, 1500 V DC, UL 4703, 5–100 ft | 4904-12-CUSTOM
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SKU: 4904-12-005-R
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Made-to-length MC4 jumpers on US-made 12 AWG copper PV wire, assembled in the USA, for module-to-module jumps, microinverter and optimizer leads, and short string runs where 10 AWG is more conductor than the circuit needs. Male MC4 on one end, female on the other. Every jumper is cut, crimped and pull-tested to order in the USA, with same-day shipping on orders placed before 2 PM PT.
Choose your MC4 connector
Every jumper is offered with either connector. Pick it in the MC4 Connector option above.
| Option | Best for | Price |
|---|---|---|
| Conversions Tech MC4 | Most installs, replacement jumpers and extensions that mate to other Conversions Tech connectors. 1500 V DC, IP67. | Base price |
| Stäubli MC4 (original MC4) | Modules, combiners and inverters factory fitted with Stäubli MC4, and projects where the spec, the engineer of record or the module warranty calls for a same-manufacturer mated pair. 1500 V DC. | +$3.50 per jumper |
MC4-style connectors from different makers are not automatically intermateable, so match the connector to what the jumper plugs into. See the connector compatibility guide. Crimping your own? We also sell 12 AWG, 10 AWG and 8 AWG PV wire on 500 and 1000 ft spools, and the Stäubli MC4 connector pair on its own.
Specifications
| Item | Value |
|---|---|
| Conductor | 12 AWG stranded copper |
| Cable origin | Manufactured in the USA |
| Assembly | Assembled in the USA |
| Cable listing | UL 4703 PV wire, USE-2, RHH/RHW-2, 2000 V, XLPE insulation, sunlight resistant |
| Assembly voltage | 1500 V DC (limited by connector) |
| Conductor resistance | 1.98 Ω per 1,000 ft (NEC Ch. 9 Table 8, uncoated stranded) |
| Connectors | Your choice of Conversions Tech MC4 or Stäubli MC4, IP67, 1500 V DC, male one end / female other end |
| Termination | Hydraulic crimped and pull-tested, both ends |
| Colors | Red (positive), Black (negative) |
12 AWG or 10 AWG?
12 AWG suits module jumpers and short runs. For home runs to a combiner or inverter, step up to the 10 AWG custom MC4 jumper to keep voltage drop down; size every circuit to NEC 690.8 for the module Isc.
Custom builds and volume
- Any length not listed, cut to the foot
- Bare-wire, ring-terminal or fused MC4 ends
- Case quantities and kitted pairs for EPCs, installers and OEMs, with PO and net terms on approved trade accounts
Send lengths and quantities to the engineering desk at 307-206-0534 or through the trade application. Building a solar farm? See how to spec and order custom jumpers and home runs.
Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
