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Can the HQO adapters for I-Line use QO GFI or EPD type breakers?

Will the I-line HQO plug in units accept GFI or EPD type breakers?

Product Line:
I-Line Panelboards and accessories 

I-Line, QO Breakers

Although the breakers will physically fit the HQO306, there is insufficient wiring room for the GFI breakers, so the adaptors are not to be used with GFI/EPD circuit breakers.  
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