Solar Safety & Installation

A popular YouTube host holds up a soldered battery terminal and calls it “beautiful totally pro.” It does look impressive. Shiny. Neat. But here is the catch it will fail when you need it most. A -30°C January in Rockwood. The solder becomes brittle. Under constant vibration from a running inverter stress fractures develop at […]

A client called me the morning after a July thunderstorm in Rockwood. The strike had not hit his cabin it hit a tree 80 metres away. His Cerbo GX was dead. His SmartSolar MPPT 100/50 had a Fatal Error light and would not reset. His MultiPlus-II was clicking on startup. Total damage: $1,330 from a

A client called me two years after his DIY solar install in Rockwood. Brown water stain on the ceiling directly under the array. He had used two full tubes of silicone around every solar roof mount. I got on the roof and found the problem immediately every mount was bolted through OSB decking between the

A 1200W array producing 400W on a clear noon day. You climb on the roof. You find it in three minutes. One mc4 connector solar failure on the positive leg of the first panel melted into a black glob plastic housing partially fused to the adjacent cable jacket. The homeowner saved $15 on a bag

A 1200W array producing 180W at noon on a clear day. Four 300W panels wired in series one long daisy chain. Four inches of snow on the bottom edge of the lowest panel barely covering the junction box. That partial shadow drops the entire series string to near-zero. Solar panels series vs parallel is the

You open a battery box built three years ago. The copper lugs are covered in thick green fuzz. The cable jacket feels crunchy where it enters the lug barrel. That green crust is copper oxide a corrosion product with resistance hundreds of times higher than bare copper. It is strangling the power flow at every

A 4/0 cable runs straight from the battery to the inverter. No switch. To swap a fuse the owner has to work on a live system touching terminals connected directly to a battery capable of 15,000A fault current. Every time he cleans a busbar connection he is working on a loaded gun. A dc disconnect

A customer complains their 3,000W inverter beeps Low Voltage the moment the microwave starts batteries fully charged at 100% SoC. You look at the install and see 2 AWG jumper cable running 1.5 metres from battery to inverter. At 250A that 2 AWG cable is not a conductor it is a 1.5-metre toaster element inside

Your battery voltage reads 13.3V. Looks fine. The sun goes down. Ninety minutes later the inverter shuts off and the fridge dies. Your voltage gauge was lying and if you are running LiFePO4 batteries without a proper battery monitor for solar you will never know until it is too late. Start by understanding how much

That $15,000 off-grid solar system sitting on a metal ground mount in an open field is connected to the sky by hundreds of meters of wire and most owners have no solar lightning protection whatsoever. A $45 surge protection device is the cheapest insurance you will ever buy for the most expensive equipment on your