Click the words below to learn how to read and say. The ones in light blue are not basic 200 Kanji.
The easy word for consumer electronics retails is 電気屋（でん・き・や）. You can use でんきや for not only a small shop but also a huge retailer.
家電量販店（か・でん・りょう・はん・てん）is a more difficult word to describe big consumer electronics retailers which are listed above.