MC4 Solar Extension Cable, 12AWG Tinned Copper, IP67 Waterproof
- 🚚 Ships within 1–2 days
- ↩️ Easy Returns
- 📦 Free Shipping
A dependable link between your solar panels, charge controller, and power station. Built with 12AWG tinned copper and sealed MC4 connectors, it holds up to sun, salt air, and rain while keeping power loss low across the run.
What Makes It Special
- IP67 waterproof — Sealed MC4 connectors shrug off water, dust, and outdoor weather.
- UV-resistant jacket — PVC insulation is made to last through long-term sun exposure.
- Low power loss — 12AWG tinned copper wire improves conductivity across the run.
- Plug-and-play — Secure MC4 connections snap together with no special tools.
- Multiple lengths — Choose 10, 20, 30, or 50 feet to fit your layout.
| Wire gauge | 12AWG |
| Waterproof rating | IP67 |
| Capacity | Up to 30A, 1000V DC |
| Length options | 10ft, 20ft, 30ft, 50ft |
What's in the Box
- ✓ MC4 solar extension cable
Perfect For
Extending the distance between solar panels, charge controllers, inverters, and power stations.
Part of the Coastal Standard Outdoor Collection — designed to weather beautifully.
| Wire gauge | 12AWG |
| Waterproof rating | IP67 |
| Capacity | Up to 30A, 1000V DC |
| Length options | 10ft, 20ft, 30ft, 50ft |
Product Details
| SKU | RNG-EXTCB-40FT-10-G1-CA |
| Ships From | United States |
| Assembly | Required — hardware & instructions included |
Free Shipping on all orders over $50. Most items ship within 2-5 business days.
Delivery: Large furniture items ship via freight carrier. You'll receive tracking information and delivery scheduling via email.
White Glove Delivery: Available for select premium items — we'll bring it inside and set it up for you.
Returns: 30-day money-back guarantee. If you're not completely satisfied, return it for a full refund. Item must be in original packaging.
Damage Policy: Please inspect your delivery immediately. Report any damage within 48 hours for a free replacement.
General Care
- Clean regularly with mild soap and warm water.
- Cover or store during extreme weather to extend lifespan.
- Inspect hardware connections seasonally and tighten as needed.
Following these care guidelines will help your Coastal Standard furniture look beautiful for years to come.
Tinned Copper Core
12AWG tinned copper resists corrosion from salt air and moisture while keeping voltage drop low across long runs.
Sealed for the Outdoors
IP67-rated MC4 connectors and a UV-resistant jacket stand up to rain, dust, and steady sun exposure.
Rated for the Work
Handles up to 30A at 1000V DC, suited to panels, charge controllers, inverters, and power stations.
The Coastal Standard Promise
Free Shipping
On every order over $50. No hidden fees, no surprises at checkout.
30-Day Returns
Not what you expected? Send it back within 30 days for a full refund.
Weather-Tested
Every piece is built to handle sun, rain, salt air, and years of outdoor use.
Fast Delivery
Most items ship from US warehouses in 2-5 business days.