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Solar Cables & Connectors

Every solar array is only as reliable as its weakest connection. Urban Supply stocks copper PV wire, MC4 and MC4-Evo 2 connectors, battery-to-inverter cable sets, busbars, branch connectors and the crimp and disconnect tools that go with them.

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Original price $119.99 - Original price $119.99
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$119.99
$119.99 - $119.99
Current price $119.99

Nature's Generator Lithium 6ft Super Charging Cable

Nature's Generator
In stock

• Super‑Fast Charging: Significantly reduces recharge time for your L6000 and MyGrid 10K compared to standard charging methods. Keeping you powered...

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Original price $119.99 - Original price $119.99
Original price
$119.99
$119.99 - $119.99
Current price $119.99
Original price $99.99 - Original price $99.99
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$99.99
$99.99 - $99.99
Current price $99.99

Nature's Generator 50ft Quick Release MC4 Extension Cables

Nature's Generator
in stock

• 50 Foot Long Reach: Easily extend your solar panels up to 50 feet for optimal placement and sunlight exposure.• Quick-Release MC4 Connectors: Pro...

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Original price $99.99 - Original price $99.99
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Current price $99.99
Original price $39.99 - Original price $39.99
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$39.99
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Current price $39.99

Nature's Generator L1800 Link Cable

Nature's Generator
in stock

• Double Your Power: Connect two L1800 units to combine their battery capacity and boost output to 3,600 W at 120V 30A, ideal for supporting more d...

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Original price $39.99 - Original price $39.99
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Current price $39.99
Original price $99.99 - Original price $99.99
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Current price $99.99

Nature's Generator L1800 Combiner Cable

Nature's Generator
in stock

• Double Your Power: Connect two L1800 units to combine their battery capacity and boost output to 3,600 W at 120V 30A, ideal for supporting more d...

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Original price $99.99 - Original price $99.99
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Original price $49.99 - Original price $49.99
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$49.99
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Current price $49.99

Nature's Generator 10ft MC4 Branch Cables

Nature's Generator
In stock

• Effortless 10-Foot Parallel Expansion: Provides ample length to connect additional solar panels in parallel to boost your system’s power output.•...

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Original price $49.99 - Original price $49.99
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$49.99
$49.99 - $49.99
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Original price $99.99 - Original price $99.99
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Current price $79.99
$79.99 - $79.99
Current price $79.99

Nature's Generator Outdoor-to-Indoor Cable Connection Kit

Nature's Generator
in stock

• Effortless Outdoor-Indoor Connection: Easily link your outdoor solar panels to your indoor generator for seamless power delivery.• Durable, High-...

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Original price $99.99
Original price $99.99 - Original price $99.99
Original price $99.99
Current price $79.99
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Current price $79.99
Original price $129.99 - Original price $129.99
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Current price $129.99

Nature's Generator Elite System Jumpstart Cable

Nature's Generator
in stock

• Fast, Hassle-free Jump Start: Delivers a strong, safe boost to your Elite system’s battery so you can get power flowing quickly and reliably. Jus...

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Original price $129.99 - Original price $129.99
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Original price $239.99 - Original price $239.99
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Current price $239.99

Nature's Generator 100ft Wind Turbine Extension Cable

Nature's Generator
in stock

• Extra-Long 100-Foot Reach: Provides plenty of length for optimal wind turbine placement and maximum wind exposure.• Effortless Turbine Connection...

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Original price $239.99 - Original price $239.99
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$239.99 - $239.99
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Original price $19.99 - Original price $19.99
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Current price $19.99

Nature's Generator MC4 Branch Connectors

Nature's Generator
In stock

• Effortless Parallel Expansion: Easily connect additional solar panels in parallel to boost your system’s power output.• Reliable MC4 Connectors: ...

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Original price $19.99 - Original price $19.99
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$19.99
$19.99 - $19.99
Current price $19.99
Original price $129.99 - Original price $129.99
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$129.99
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Current price $129.99

Nature's Generator 50ft Solar Panel Extension Cable

Nature's Generator
in stock

• 50-Foot Extension Reach: Extends ample length to position your solar panels for optimal sunlight and flexible placement.• Heavy-Duty 12-Gauge Cab...

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Original price $129.99 - Original price $129.99
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Original price $29.99 - Original price $29.99
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Current price $29.99

Nature's Generator 3-Way MC4 Branch Connectors

Nature's Generator
in stock

• Connect Three Panels in Parallel: Easily link up to three series of 100W solar panels in parallel to charge your Nature’s Generator L3600 or L600...

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Original price $29.99 - Original price $29.99
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Current price $29.99

Nature's Generator 5ft MC4 Extension Cables

Nature's Generator
in stock

• Effortless Extension: Easily extend your solar panels up to 5 feet for optimal placement and sunlight exposure.• Reliable MC4 Connectors: Ensures...

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Original price $29.99 - Original price $29.99
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$29.99
$29.99 - $29.99
Current price $29.99
Original price $119.99 - Original price $119.99
Original price
$119.99
$119.99 - $119.99
Current price $119.99

Nature’s Generator 50ft Solar Panel Cable

Nature's Generator
in stock

• 50-Foot Long Reach: Gives you the freedom to position your solar panels farther away for better sunlight exposure.• Heavy-Duty 12-Gauge Cable: 12...

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Original price $119.99 - Original price $119.99
Original price
$119.99
$119.99 - $119.99
Current price $119.99
Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $79.00
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Current price $79.00

Mango Power E 30A Fast Charging Cable (125V/30A/1.5m)

Mango Power
in stock

Mango Power E 30A Fast Charging Cable (125V/30A/1.5m) Experience the ultimate convenience in power connectivity with the Mango Power E 30A Fast...

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Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $79.00
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Original price $7.35 - Original price $7.35
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$7.35
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Current price $7.35

24in 10 AWG Extension MC4 Connections - Solar Panel Cable Extensions

Pacific Coast Wire

The 24in 10 AWG Extension MC4 Connections - Solar Panel Cable Extensions is a PV cable and connector component from Pacific Coast Wire — 24in.Why I...

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Original price $7.35 - Original price $7.35
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$7.35
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Current price $7.35
Original price $29.99
Original price $29.99 - Original price $29.99
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Current price $17.29
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Current price $17.29

Enphase - 1 Meter Cable - Portrait Orientation

Enphase Energy

The Enphase - 1 Meter Cable - Portrait Orientation is a PV cable and connector component from Enphase Energy — Cable Type IQ microinverter trunk ca...

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Original price $29.99
Original price $29.99 - Original price $29.99
Original price $29.99
Current price $17.29
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Current price $17.29
Original price $38.00 - Original price $38.00
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$38.00
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Current price $38.00

Power Center 2 Meter Bus Cable

Duracell Power Center

The Power Center 2 Meter Bus Cable is a PV cable and connector component from Duracell Power Center — Power Transmission 10 AWG wiring delivers con...

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Original price $38.00 - Original price $38.00
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$38.00
$38.00 - $38.00
Current price $38.00
Original price $35.99
Original price $35.99 - Original price $35.99
Original price $35.99
Current price $20.29
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Enphase - 1.7 Meter Cable - Landscape Orientation

Enphase Energy

The Enphase - 1.7 Meter Cable - Landscape Orientation is a PV cable and connector component from Enphase Energy, stocked by Urban Supply for solar ...

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Original price $35.99
Original price $35.99 - Original price $35.99
Original price $35.99
Current price $20.29
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Current price $20.29
Original price $64.99 - Original price $64.99
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$64.99
$64.99 - $64.99
Current price $64.99

EG4 Mini-Split Comm Cable 50 ft.

EG4 Electronics

The EG4 Mini-Split Comm Cable 50 ft. is a PV cable and connector component from EG4 Electronics — Lengths 50 ft; Compatibility All EG4.Why It Matte...

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Original price $64.99 - Original price $64.99
Original price
$64.99
$64.99 - $64.99
Current price $64.99
Original price $29.99
Original price $29.99 - Original price $29.99
Original price $29.99
Current price $19.99
$19.99 - $19.99
Current price $19.99

Enphase Terminator Cap

Enphase Energy
Out of stock

The Enphase Terminator Cap is a PV cable and connector component from Enphase Energy — Product Type IQ; Trunk Cable Terminator Cap Compatibility En...

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Original price $29.99
Original price $29.99 - Original price $29.99
Original price $29.99
Current price $19.99
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Current price $19.99
Sold out
Original price $463.99
Original price $463.99 - Original price $463.99
Original price $463.99
Current price $449.99
$449.99 - $449.99
Current price $449.99

EG4 BossBox Cable Kit

EG4 Electronics

The EG4 BossBox Cable Kit is a PV cable and connector component from EG4 Electronics — Includes Positive.Why It MattersSolar wire lives outdoors fo...

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Original price $463.99
Original price $463.99 - Original price $463.99
Original price $463.99
Current price $449.99
$449.99 - $449.99
Current price $449.99
Original price $120.99 - Original price $120.99
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$120.99
$120.99 - $120.99
Current price $120.99

EG4 100Ah WallMount Battery Paralleling Cable Kit

EG4 Electronics

The EG4 100Ah WallMount Battery Paralleling Cable Kit is a PV cable and connector component from EG4 Electronics — Positive/Negative Paralleling Ca...

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Original price $120.99 - Original price $120.99
Original price
$120.99
$120.99 - $120.99
Current price $120.99
Original price $57.29 - Original price $57.29
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$57.29
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Current price $57.29

Tigo TS4-A-2F - Long Cable - 15A

Tigo Energy

The Tigo TS4-A-2F - Long Cable - 15A is a PV cable and connector component from Tigo Energy — Built for Safety Fully meets NEC 2017/2020 rapid shut...

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Original price $57.29 - Original price $57.29
Original price
$57.29
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Current price $57.29
Original price $6.75 - Original price $6.75
Original price
$6.75
$6.75 - $6.75
Current price $6.75

Staubli Branch Socket Connector MC4-Evo 2 - PV-AZB4-EVO 2-UR

Staubli

The Staubli Branch Socket Connector MC4-Evo 2 - PV-AZB4-EVO 2-UR is a PV cable and connector component from Staubli — 1500 V.Why It MattersSolar wi...

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Original price $6.75 - Original price $6.75
Original price
$6.75
$6.75 - $6.75
Current price $6.75

How to Choose

Size conductors to current and run length, not to convenience. Undersized cable is the most common cause of voltage drop and nuisance shutdowns on DIY installs. For DC battery runs, 4/0 AWG handles high-current inverter connections; 2 AWG and 4 AWG suit shorter or lower-current runs. On the PV side, 10 AWG copper covers most residential string runs. Always match connector brand across a junction — MC4-compatible is not the same as MC4.

Key Specifications Explained

  • Conductor gauge: 4/0, 2/0, 1/0, 2, 4, 6 and 10 AWG for battery and PV applications
  • Insulation: PV wire is rated for sunlight, wet locations and 90C conductor temperature
  • Connector standard: MC4 and MC4-Evo 2 — do not mate different manufacturers' connectors
  • Busbars: 300A and 600A with covers for clean multi-battery parallel connections
  • Length: Pre-terminated sets from 12 inches to 96 inches, and bulk spools to 1000 ft

Brands We Carry

Pacific Coast Wire, Stäubli (the original MC4 manufacturer), QuickCable, Winar Connection, HEYCO and Ilsco.

Frequently Asked Questions

Can I mix MC4 connectors from different brands?

No. Cross-mating is a known arc and fire risk and it voids listings. Use the same manufacturer on both halves of every connection.

What gauge for my battery to inverter run?

Follow the inverter manufacturer's table. As a guide, a 12kW inverter typically calls for 4/0 AWG on runs under six feet.

Is PV wire the same as THHN?

No. PV wire is rated for direct sunlight exposure and wet locations. THHN is not and will degrade outdoors.

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