5. An electrical device comprising:a case including a first case and a second case coupled to the first case;
a first electrical part fixed to the first case;
a second electrical part fixed to the second case; and
a connecting portion configured to connect a first conductor extending from the first electrical part and a second conductor extending from the second electrical part to each other, wherein
either one of the first case and the second case includes a through hole,
the connecting portion is disposed so as to be visible from the through hole as viewed from an outside of the case, and
the connecting portion is configured to connect the first conductor and the second conductor via a bolt.