Replacing GFI Breaker

I am replacing a GFI breaker. The old breaker has 2 white wires (one striped). The new breaker has only one white wire.
Is the new breaker compatible?
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Should be, I'd read the instructions. The white wire of the new one goes to the neutral bar in your panel and the white wire of your circuit goes to the neutral connector on the breaker. The black or colored wire of your circuit goes to the hot terminal on the breaker

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On your old breaker the white with stripe was probably indicating that it was the "load" neutral

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Thanks for the replies! I wanted to wait to open the breaker packaging until I was somewhat sure it was compatible. I opened it and it all made sense when I looked over the instructions. There was a load neutral wire on the old breaker that was connected with a cap to the load neutral from the panel. The new breaker is simpler because you just insert the panel's wire into the breaker. (excuse me if any terminology is wrong - novice here)
Anyway, I got it all installed and it works fine - so thanks for the help!
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If you at the electrical service then the two wires end up on the same bus the neutral/ground bus. If you are in a sub panel then the two wires would go to different buses.
If your breaker is made by the same company that the panel is made by your fine. I am not a fan of mixing manufactures.
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Doesn't a GFI breaker need to sense the neutral current which it compares to the hot current, if different then trip. So it would need to have a neutral to the loads as well as a neutral to the ground bus.

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You're correct, He's replacing an old GFCI with a new one. Old model GFCI's like "Murray" had two white wires on them. One to connect to the neutral buss in the panel and one to connect to the load neutral of the circuit. The new "Murray" type GFCI's have replaced the load neutral "wire" with a terminal on the breaker

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