电 is a Japanese kanji, listed here under the keyword “eel”. It is built from 日 (day) and 乙 (fish guts). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “day” + “fish guts”. 电 is among the results, together with every other character containing the same shapes.
Open 电 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.