1 / 6Rich Solar Cable Entry Plate | Polypropylene Housing with UL 8AWG 600V Wires for Solar Panels on RVs, Boats, Cabins
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Cable Entry Plate — Polypropylene Housing with UL 8AWG 600V Wires
The Rich Solar Cable Entry Plate gives you a single, sealed pass-through point to route solar wiring from your rooftop array into the interior of an RV, boat, or cabin — without leaving a gap in your roof's waterproofing. Pre-installed with IP68-rated MC4 connectors and color-coded 8AWG UL1015 wire rated for 37.7A continuous current, it's a compact, flame-retardant entry point built for permanent outdoor installation.
Heavier-gauge option for higher-current circuits or installations where minimizing voltage drop matters most over the wiring run length.
37.7A Continuous on 8AWG Tin-Plated Copper
UL1015-certified 8AWG wire with tin-plated copper conductors handles 37.7A of continuous current (50A maximum) at up to 600V — sized for higher-current array branches or runs where you want extra capacity margin.
IP68 Connectors, Sealed Roof Penetration
Pre-installed IP68-rated MC4 connectors and a flame-retardant polypropylene housing keep water and dust out of the one place in your wiring run that actually passes through the roof surface — the most vulnerable point in any rooftop solar installation.
UL Listed, Fire-Rated Throughout
UL94V0 flame-retardant MC4 connector shells, VW-1 fire-rated PVC wire insulation, and a flame-retardant PP housing combine for a genuinely fire-conscious design at every layer of the assembly — not just at the connector or just at the wire.
Product Overview
A cable entry plate solves a specific problem in any rooftop solar installation: getting wiring from the array on the roof to the charge controller, combiner box, or battery bank inside the vehicle or structure without creating an unsealed gap where water can get in. This RS-G05 entry plate is the 8AWG variant in Rich Solar's two-option lineup, built around a compact flame-retardant polypropylene housing with two pre-installed, pre-wired MC4 connectors already sealed to IP68.
The 8AWG UL1015 wire uses tin-plated copper conductors for corrosion resistance and stable long-term conductivity, rated for 37.7A continuous current and up to 50A maximum, with a 600V wire rating. The PVC insulation carries a VW-1 fire rating and a temperature range up to 221°F, while the MC4 connector shells themselves are UL94V0 flame-retardant and UL Listed — meaning the fire-safety consideration runs through the connector, the insulation, and the housing rather than being addressed at just one point in the assembly.
At 5.9 × 4.3 × 1.6 inches and 0.34 lb, the plate is small and light enough to mount without adding meaningful weight or requiring extra roof support — a real consideration on RVs and vans where every added pound and mounting point matters. The plate ships with red and black polarity-marked wires for unambiguous installation, but does not include adhesive, sealant, or mounting screws; you'll need to source mounting hardware and a weatherproof sealant compatible with your specific roof material separately.
One Sealed Point, Instead of an Improvised One
- Purpose-Built Roof Penetration: Rather than drilling an ad-hoc hole and sealing it with generic caulk, this plate is engineered specifically as a wiring pass-through with connectors already integrated and sealed.
- Pre-Wired, Pre-Sealed MC4 Connectors: The connectors arrive already installed in the housing and rated IP68 — you're not relying on a field-applied seal around a connector that wasn't designed for that location.
- Single Point of Entry: Consolidates your panel-to-interior wiring into one defined location rather than multiple ad-hoc penetrations, simplifying both the install and any future leak troubleshooting.
- Standard Practice for RV and Marine Solar: A dedicated cable entry plate is a widely used approach in mobile solar installs specifically because roof penetrations are the most common source of long-term water intrusion.
Built for Both Current Capacity and Fire Safety
- 37.7A Continuous / 50A Maximum: The 8AWG wire gauge provides meaningful current-carrying headroom for higher-output array branches compared to a thinner-gauge entry plate.
- Tin-Plated Copper Conductors: Resist corrosion and oxidation better than bare copper, supporting stable conductivity over years of outdoor exposure at the connection points.
- VW-1 Fire-Rated PVC Insulation: Rated to withstand temperatures up to 221°F — a meaningful safety margin above normal operating conditions.
- UL94V0 Flame-Retardant MC4 Shells: Self-extinguishing connector housing material rated to the highest UL94 flammability classification.
- UL Listed Connectors: Independently certified rather than just described as UL-style or UL-compliant.
Compact, Lightweight, Straightforward to Mount
- 5.9 × 4.3 × 1.6 in, 0.34 lb: Small and light enough to mount on an RV or van roof without adding meaningful weight or requiring extra structural support.
- Red/Black Polarity-Marked Wires: Clear color-coding removes ambiguity about which lead is positive and which is negative during installation.
- Mounts with Adhesive, Sealant, or Screws: Flexible mounting approach depending on your roof material and preference — but none of these are included, so plan to source compatible hardware and a weatherproof sealant separately.
- Reinforced for Vibration Resistance: Designed to hold up to the ongoing vibration of mobile installations on RVs, vans, and trailers rather than a stationary-only design.
- -40°F to 185°F Housing Operating Range: Functions reliably across a wide climate range for permanent outdoor mounting.
Full Specifications
| SKU | RS-G05 |
| Dimensions (L × W × H) | 5.9 × 4.3 × 1.6 in |
| Weight | 0.34 lb |
| Housing Material | Flame-Retardant Polypropylene (PP) |
| Color | Black |
| Housing Operating Temp | -40°F to 185°F |
| MC4 Connector Material | PC Shell |
| Connector Waterproof Rating | IP68 |
| Connector Flame Rating | UL94V0 Certified |
| Connector Certification | UL Listed |
| Continuous Current | 37.7A |
| Maximum Current | 50A |
| Wire Voltage Rating | 600V |
| Wire Standard | UL 1015, 8AWG (Red/Black) |
| Wire Conductor | Tin-Plated Copper |
| Wire Insulation | PVC, VW-1 Fire Rated |
| Wire Temperature Range | 5°F to 221°F |
Best Uses
- RV and motorhome rooftop-to-interior solar wiring penetration
- Van build roof wiring pass-through
- Boat and marine deck-to-cabin solar wiring
- Cabin and off-grid structure rooftop array wiring entry
- Higher-current array branches needing 8AWG capacity
- Replacing a damaged or improvised existing roof penetration
Key Benefits
- 37.7A continuous / 50A max on 8AWG tin-plated copper wire
- Pre-installed IP68 MC4 connectors, UL Listed and flame-retardant
- VW-1 fire-rated insulation; flame-retardant PP housing
- Compact and lightweight — 0.34 lb, no extra roof support needed
- Red/black polarity-marked wires for clear, unambiguous wiring
- Wide -40°F to 185°F operating range for any climate
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