What sockets are in Egypt, do our plugs and chargers fit?

Yes, everything fits. In Egypt, the sockets and mains voltage are exactly the same as ours, no adapters are needed. More details about everything you need to know about a vacation in Egypt here - https://nashaplaneta.net/africa/egypt/egypt.html

Does everyone get a Sinai stamp in Sharm?
How much does an excursion to Cairo and the pyramids cost?
Where is best to exchange currency?
Follow the link, all these questions are discussed in the chat - https://t.me/egypt_travel_chat