Question about Electrical Supplies
I wired the generator to a two pole breaker box for two 120 volt circuits. I get 116 volt on each side at the box from the generator. Installed breakers and the first one register 116 volt (no wiring connected yet. Turn the second breaker on and voltage on the first drops to about 105 and the other one register about 135 volts (again no wiring attached. Have no clue where to go. All connections are good an tight. Help111
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Posted on Jan 02, 2017
SOURCE: one half of a 240
The breaker must engage TWO bus bars in the panel, in addition to the a neutral connection. If the breaker is aligned to engage only one of the bus bars, only one of the terminals will be powered at the breaker terminal screw (most likely the top).
Some electrical panels have covers that have numbers and spaces stamped for circuit breakers at the bottom; when in reality, there is no bus bar to connect. Make sure you are not attempting to install into a space that lacks both bus bars.
If unable to get 240 volts out of the breaker without the load wires connected, there may be an issue internally with it. If after connecting the load wires, one side fails again, it may be detecting a ground fault or an over current situation but due to an internal failure is unable to trip both poles of the breaker. This breaker should be replaced.
Posted on Jun 02, 2011
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