I don't know the exact name of those big box type power cord, but as in the picture, I have 3 indoor hydroponic gardening system which all 3 have big box type power cord. If I try to put these in regular extension cord multi outlets, I probably can fit just 2 due to the size of box size & usually designed to plug in vertically.But then I saw this 3 sided multi outlets extension cord & thought even if I can plug in 1 on each side, I could fit all 3 power cord. And Yes I was right & more - because each side's outlet is designed to plug in side by side, so I can fit at least 2 boxes cord on one side. So far, I've plugged in 3 box type power cords + bluetooth receiver for outdoor timer & still have extra to plug in more.I just love its design!
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