![]() An atom with an extra electron has become negatively charged, and the atom missing an electron has become positively charged. When you attach a power source to a wire like a battery or a generator, you force electrons to break away from their atom and attach to others nearby. Another way to say this is the atom’s charge is neutral. Protons are positively charged while electrons are negatively charged, and each atom typically has the same number of electrons and protons, which cancels out their charge. The electricity magic happens from the relationship between the protons and electrons. An atom comprises three major components, neutrons, protons, and electrons. As you already know, everything we can see in existence is made up of atoms. Electricity is the name humans have given the flow of electrical energy from one location to another. What Is Electricityĭon’t worry this isn’t going to get too in-depth. It’s always safest to consult a professional for electrical work. Note: When it comes to fixing electrical systems, keep in mind that electricity can be deadly. Knowing how your RV electricity system works can help you safely use it and diagnose issues when they arise. However, when you own an RV, it can be essential to understand the difference between AC and DC power and how your RV uses both. Nor do they think about those two power sources being completely different types of power. ![]() Most people don’t often think about electricity beyond whether it works when they plug something in or whether or not their car battery has enough juice to start their vehicle. And the refrigerator replacement only took one day at Mike’s.Keep an Eye Out For part 2 You Don’t Have To Be An Engineer To Know RV Electrical System Basics Mine was the second Oliver they’d worked on. Mikes is an authorized service center for just about everything in the RV industry. How could the both factory QC checks and delivery prep miss that the refrigerator was DOA? I had places to be and was so ticked off at Oliver for delivering a unit with a totally dead refrigerator, killing two days at a hotel in Hohenwald was unacceptable. I called Mikes LP from the parking lot in Hohenwald, made an appointment, and hit the road back to Minnesota without a working refrigerator on my brand new travel trailer. Oliver wanted (and got) a full day for issue diagnosis from me, plus they wanted me to stay at least another two days to get the replacement unit installed. Mike’s replaced the refrigerator on my EII when Oliver sold it to me with a unit that was dead on initial delivery. I teach high school in the area and two of their boys spent a considerable amount of time in my shop. Don’t expect anything corporate about them. I live in the Minneapolis MN area and gladly welcome all recommendations for a good RV repair shop. If the problem is repeatable in your driveway, then that’s probably not the case though.ĭo you have an inverter? If so, I guess that’s another possibility and you might try unplugging that before you disconnect. I guess another thought is that the breaker is bad, and maybe vibrating open when you’re traveling. Otherwise, it would take a bit for it to trip. And if your breaker is tripping immediately, then it has to be a pretty big surge of power that’s doing it. I still think that the fridge is the most likely culprit, since there isn’t anything else that would ask for more power when you unplug. ![]() So, in other words, your charger is converting when you’re plugged rather than when you’re not, and there isn’t really a ‘switch’ that changes you from 120 to 12 v. Part of that power will go to the batteries to charge them and part will be used by your lights, etc. What happens is that when you’re on shore power, the charger converts some of the 120 power to 12 volt and adds that to the 12 v ‘pool’. Just for clarity, your DC circuit is always DC even when you’re plugged in. It will read 14.4 or something close to that when you first plug in, and usually 13 something when you unplug. If it goes up when you plug in, then it’s working. The way to tell if your charger is working is by checking the voltage on the battery monitor.
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