Residential Solar Transition Boxes

for Every Install Configuration

Get FAST delivery on the highest quality UL1741-listed residential solar transition boxes on the market.

Lightweight

Easy Install

Economical

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Soltection Residential Solar Transition Boxes

We carry a variety of versatile solar transition boxes for the residential market, providing a purpose-designed solution for every type of installation.

RJ-1

Rooftop Junction Box

RJ-1 - Rooftop Junction Box

The Soltection RJ-1 rooftop junction box with flashing provides a safe, secure and NEMA-4X-rated, watertight solution to penetrating the roof for attic runs and making the proper wire connections. It is designed to be simple to install and to minimize time on the roof, while also providing higher levels of protection for the point of penetration on the roof and electrical connections inside the junction box.
Photo of solar power transition box for residential use by Vynckier Soltection

RU-2-LP​

DC-String Transition Box

RU-2-LP​ DC-String Transition Box

Soltection RU-2-LP is a DC-string transition box. It enables installers to transition and/or combine one to four DC strings to a single conduit, reducing costs by allowing installers to switch to standard building wire and simplifying connections within in the enclosure. The low-profile enclosure is designed to be mounted beneath or adjacent to the array, and provides a touch-safe and secure means to transition strings.

RU-1-LP​

AC-String Transition Box

RU-1-LP​​ AC-String Transition Box

Soltection RU-1-LP is an AC-string transition box. It enables installers to transition up to two microinverter strings to a single conduit, reducing costs by allowing installers to switch to standard building wire. The low-profile enclosure is designed to be mounted beneath or adjacent to the array, and provides a touch-safe and secure means to transition strings.

RU-2

DC-String Transition Box

RU-2​ DC-String Transition Box

Soltection RU-2 is a DC-string transition box. It provides a quick and easy transition point for string inverters and optimizers. Using only a flathead screwdriver, secure connections can be made, eliminating the need for wire nuts and crimp connectors. Included jumpers support combinations of two strings, making U-joints, Y-connectors or connector boxes unnecessary.

RU-1

AC-String Transition Box

RU-1​ AC-String Transition Box

Soltection RU-1 is an AC-string transition box. It provides a quick and easy transition between a microinverter trunk cable and a stranded wire. Using only a flathead screwdriver, secure connections can be made, eliminating the need for wire nuts and crimp connectors.

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