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Yamaha Generator problem
Billy,
I would like to clear up some of the questions that have arisen under this topic.
Please understand that under normal conditions, most people would never notice a problem with any motor while it's hooked up to the utility power.
However, when operating a backup generator, it is highly important that we isolate all of the circuits and that we eliminate anything that we don't want to power.
In many cases, the power going to the garage, or workshop, comes from a single breaker located inside the home. All of the outlets and lights in the shop will then be powered from this single breaker.
If a person wants to have power in the shop, (to power a heat lamp, heated pet bowl, block heater, etc.) when the power is out, it is necessary have this electrical line powered by the backup generator.
If there is anything on that circuit that could draw current when it is not intended to operate, it could greatly affect the performance and operation of the backup generator.
By switching just one leg of any 220vac device, such as a table saw, drill press, or welder, it's possible that any or all of these devices could put a unintended load on the backup generator.
While this is not normally going to happen, the idea behind having a backup generator is to provide a sure source of power when the utility power is out. Eliminating any possible problems with the backup generator is highly desirable, due to the fact that you don't want to be troubleshooting the circuitry while the family is freezing their butts off, or are unable to use draw water from the well.
By breaking both legs on all 220vac devices, there is no possible way any leakage current in those devices would cause a problem.
The whole idea here is to create a situation in which you are POSITIVE that you'll be able to make your own power when the power goes out.
Troubleshooting a power draw problem at -40 degrees is no danged fun. Worse yet, is having to troubleshoot a power problem when the roof is gone, trees have fallen on your vehicle, and the cattle have gotten out of the fence. There are more important things to do than to spend time fixing something that never should have been a problem to begin with.
Joel
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Yamaha Generator problem
Joel, I'll agree with that. I'd even add that anyone that has a backup generator without a transfer switch should have a plan ahead of time and know what they'll be running. The bare necessities like a couple of lights, refrigerator, well pump and such. It doesn't take long for those watts to add up and bog the generator down. Of course it's dependent on the size of generator.
Thanks for the discussion
Billy
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08-23-2007, 11:06 
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