When using a capo on an electric guitar, there are a few things to keep in mind. First, the capo should be placed as close to the fret as possible to avoid buzzing or intonation issues. Second, it is important to use a capo that is designed for electric guitars, as acoustic guitar capos may not fit properly or cause damage to the strings. Finally, it is important to tune your guitar after placing the capo on the neck, as the capo will change the tension of the strings.