Title: What type of wire do I use for PV panels on the roof
System type: resi
Created: 2026-04-01 15:03:48.631846
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What type of wire do I use for PV panels on the roof
Use **PV (photovoltaic) wire** for rooftop solar panels. Key specifics: - **Type:** Use sunlight-resistant, UV-rated wire, typically **USE-2** or **PV wire** made with cross-linked polyethylene (XLPE) insulation. - **Gauge:** Based on current and run length, often **10 AWG or 12 AWG** for common residential arrays. - **Temperature rating:** At least 90°C. - **Voltage rating:** Minimum 600V, often 1,000V rated. Verify local electrical code requirements and panel manufacturer recommendations for wire sizing and type.
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