Did you know that using the wrong cable size for your solar panels can waste up to 10% of the energy your panels produce? That’s right—you could throw away hard-earned solar power daily because your cables are too small.
But here’s the kicker: oversized cables aren’t the solution either. If you pick unnecessarily large cables, you’ll end up spending way more money than you need to, making your solar installation far more expensive than it should be. The balance between performance and cost comes down to one simple but often overlooked factor: choosing the correct cable size.
In this video, I’ll guide you through everything you need to know about solar panel cables, from understanding current and voltage to calculating the perfect size for your specific system. By the end, you’ll have the knowledge to optimize your cables for maximum efficiency and minimum cost—and trust me, your wallet and your solar panels will thank you.
00:00 Intro
01:06 Why PV Cable Size Matters
02:15 Factors Influencing PV Cable Size
03:31 Voltage Drop
04:52 Calculate the Right Cable Size
06:20 Real-Life Example
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