People who try to replace the Onan in a motorhome with a portable generator run into this all the time along with the expected challenges surrounding cooling, exhaust, etc.
Thanks for the article. It was very helpful. I see mine can be installed as a back uo without using a floating neutral if I disconnect the wire to the frame.
I have a Siemens box and see there is a tremendous range in price for components. Do younhave any recommendations for brands for lockouts or receptacles? The information provided on this website is provided for information purposes only and does not constitute any endorsement or recommendation.
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You can compare as many generators as you wish. However, for the best results , we recommend you to compare only 2 generators at a time. Last Updated August 8, Reply Guy October 25, at am. This article made me understand differences between floating and bonded neutral generators.
Reply Paul October 25, at am. Reply Norm December 5, at am. Reply Jim June 26, at am. Reply Paul December 5, at pm. Reply Randy February 8, at pm. Good article. Thanks, Randy. Reply Paul February 11, at am.
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Our mission is to help you find the best power generation equipment to suit your needs. We aim to help you make your generator purchase by providing all the tools you need to compare leisure, backup or professional portable generators. Follow Us. Compare items. Total 0. If it must turn it should be done with a large radius. If the rod does get struck the bolt is more likely to follow a large radius turn on its way Earthbound. One other point. I believe their voltage limitations are around v.
Bonding refers to efforts to equalize the electrical potential between grounds and neutrals, gas lines and copper plumbing, building steel between expansion joints etc. I usually explain it to my students by placing two bottles of water on the floor. They are of equal potential. Then I lift one bottle and place it on a table explaining that I am storing energy, and that energy is based on the potential between the table top and the floor.
Next I take the second bottle from the floor and place it on a high shelf… again explaining the stored energy and the potential between the high shelf and the floor. I finis by pointing out the potential difference that exists between the high shelf and the table top. Does that help? I actually do think of electrical current flow in terms of water flow sometimes.
They are certainly different, but there are some basic principals that apply to both - like you could have water pressure or positive voltage potential , but without a return path to atmosphere or the negative voltage potential , you get no flow.
Clear as mud! Is the path of least resistance from the transformer pole this way because of the metal rod much deeper in the earth compared to the rod in earth at your service entrance? Then why in the heck would you use a nearly 10 year old thread to bring up your question.
Start a new thread…. We are glad you have chosen to be a part of our community and we hope you enjoy your stay. Very confusing. It took me a long time to really understand what was going on.
You just hepled me understand it a little better now too. Is electricity on a one way street? Thanks again! Figures 37 and 38 B This is accomplished by sizing the grounded neutral conductor in accordance with Table In addition, the grounded neutral conductors shall have the capacity to carry the maximum unbalanced neutral current in accordance with Figure 41 B1 Transformers or Other Separately Derived Systems [ To provide the low impedance path necessary to clear a ground-fault from the separately derived system, the metal parts of electrical equipment shall be bonded to the grounded neutral terminal Xo of the derived system.
The neutral-to-case bond can be made at the source of a separately derived system or at the first system disconnecting means. The bonding jumper used for this purpose shall be sized in accordance with Table Figure 47 A1 Figure 49 A1 The most common improper neutral-to-case bonds occur in panelboards, separate building disconnects, transformers and generators.
But this only occurs if the underground water pipe system is metallic and conductive to other buildings. Figure 19 A The result is neutral current net current flowing on the metal parts of electrical equipment as well as the grounding and bonding conductors. Figure 14 Figure A This ties the neutral and equipment grounding conductors together allowing objectionable neutral current to flow on the feeder equipment grounding conductor. Figure 24 A
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