Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.
Trade pricing on 169 authorized brands. Full OEM warranties. 7-10 business days delivery.
Shop All ProductsPremium monocrystalline and bifacial panels with 25-year warranties from authorized manufacturers.
Shop Solar PanelsString, micro, and hybrid inverters from 8+ authorized brands. Full warranty and technical support.
Shop InvertersHome and commercial battery systems from leading manufacturers. Grid-tied and off-grid options.
Shop BatteriesRoof and ground mount systems from IronRidge, Unirac, and Quick Mount PV. All components in stock.
Shop RackingMPPT and PWM charge controllers for off-grid and hybrid solar systems from 5+ authorized brands.
Shop ControllersHome standby, portable, and commercial generators. Automatic transfer switches and installation accessories.
Shop GeneratorsLevel 1, Level 2, and commercial EV chargers from leading brands. Smart connectivity and universal compatibility.
Shop EV ChargersBreakers, panels, wire, conduit, and safety switches from Square D, Siemens, Eaton, and more. Not just solar.
Shop Electrical50,000+ SKUs, 169 authorized brands. Our team helps you find the right products for any project.
Get a Quote

The EZ Solar JB-1.XL represents an expanded solution for rooftop photovoltaic systems, designed to fit composition or asphalt shingle roofs. This junction box brings enhanced space and efficiency, ensuring a straightforward and secure installation process for solar setups while adhering to safety standards.
The JB-1.XL offers an increased internal volume, accommodating larger cables and more connections, which is crucial for expansive solar arrays. This increased capacity enhances the product's adaptability and ease of use in various installation scenarios.
Constructed with polycarbonate materials infused with UV inhibitors, the JB-1.XL is designed to withstand harsh weather conditions, ensuring longevity and durability under continuous sun exposure.
The JB-1.XL allows for a fast installation process, utilizing a compatible lid and a straightforward mounting system that decreases setup time, making it a preferred choice for quick project turnovers.
Featuring multiple side wall fitting opportunities, the box supports diverse conduit configurations, enhancing flexibility in wiring choices and ensuring secure, raintight connections that comply with NEMA and UL standards.
Designed with safety in mind, the JB-1.XL incorporates easy provisions for grounding and bonding, reducing electrical hazards and ensuring compliance with NEC requirements for peace of mind during installation and operation.
The EZ Solar JB-1.XL functions as a central junction point for managing and safeguarding electrical connections within solar photovoltaic systems. It organizes and protects wiring connections, minimizing potential electrical hazards.
Serving as the core of the electrical system, this component manages the influx and outflow of electricity, streamlining and protecting connections within the solar network.
With designated entry points, the system ensures that conduits are properly sealed and secured, safeguarding connections against environmental factors such as moisture.
The robust lid protects internal components from external damage while allowing easy access for maintenance and inspections, ensuring long-term operational efficiency.
| Maximum Voltage | 1,000 Volts |
| Maximum Current | 120 Amps |
| Allowable Wire | 14 AWG €“ 6 AWG |
| Roof Slope Range | 2.5 €“ 12:12 |
| Enclosure Rating | Type 3R |
| Max Side Wall Fitting Size | 1" |
| Max Floor Pass-Through Fitting Size | 1" |
| Ambient Operating Conditions | -35°C to +75°C |
| Compliance | UL1741 |
| System Marking | Interek Symbol and File #5019942 |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.