Learn English – what is the name for red hot firewood

I've only ever heard these called juice boxes. I was not aware of any other name for them. But you've actually answered your own question in your question, with the information from the wikipedia article you linked:

A juice box, also called a carton or popper, is a small container used to conveniently carry and consume drinks (most often juice).

I've never heard carton or popper, but those might be regional terms (or BrE?). I'd just stick with calling them juice boxes. But the answer is in the question!

appliance is used for many things, but in everyday language, an electronic item is a different category.

For larger and more expensive items, such as refrigerator, washer, dryer,

home or household appliance

For coffee maker, toaster oven, toaster,

small appliance or kitchen appliance

But for television, stereo, etc,

consumer electronic (item)

There are many TV and Appliance stores, which shows the difference in category