Forum Discussion
wnjj
Aug 12, 2016Explorer II
thomaskemper wrote:westend wrote:
Using that same voltage setting on your meter, stick a piece of metal in the ground, positive (+) phase meter lead to unpainted part of step and negative (-) phase lead to that metal piece. What does it measure?
With a meter you can also check continuity from any place in your camping rig that has a ground to the ground in the receptacle powering your camper. It should show continuity, 0 ohms (or close). Usually, it's a faulty extension or shore power cord as folks yank on them to disconnect, breaking the ground prong on the cord.
I'll try this. And you should know that the ground plugs are all intact.
The pins may be intact on the extension cords, but they also need to be intact between the house receptacle and the house panel as well as between your RV plug and the RV frame/skin. This ground connection ultimately should connect your RV frame back through the cords (via the 3rd prong) to the house panel which is grounded to the earth via grounding rods (bare copper green wires to a metal rod). It may also be connected to metal water pipes. Hence the reason for Westend's test. There should be no voltage potential between the earth and your RV frame, when properly functioning.
Find where your black RV cord connects to the RV panel. Be sure the ground wire is tightly connected to a ground bar and/or the RV frame. The neutral (i.e. white) wire should NOT be connected to the same place, only to the other white wires in the panel.
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