Relay

A relay comprising:

• a first fixed contact;
• a second fixed contact;
• a movable touch piece including:
• a first movable contact that is disposed facing the first fixed contact, and
• a second movable contact that is disposed facing the second fixed contact, the movable touch piece being disposed so as to be movable in a contact direction in which the first movable contact and the second movable contact come into contact with the first fixed contact and the second fixed contact and a separation direction in which the first movable contact and the second movable contact separate from the first fixed contact and the second fixed contact;
• a drive device disposed in the contact direction with respect to the movable touch piece and configured to generate a driving force for moving the movable touch piece;
• a drive shaft extending in a movement direction of the movable touch piece and including an end portion protruding in the separation direction from the movable touch piece and configured to transmit the driving force to the movable touch piece;
• and
• a first case configured to accommodate the first fixed contact, the second fixed contact, and the movable touch piece,
• wherein the first case includes a test hole that is disposed at a position facing an end portion of the drive shaft in the separation direction and penetrates completely through the first case.