A relay, a relay unit and an electrical junction box are disclosed as including
a plurality of relays (2A2D), each of which includes a pair
of switch connector circuit components (5a5d,
6a6d) between which a relay switch (SW) is intervened,
a pair of coil connector circuit components (7a7d,
8a8d) between which a relay coil (L) is intervened,
and a plurality of electrically conductive trimmer joint portions (9a9j)
joined between the respective switch connector circuit components (5a5d,
6a6d) and the respective coil connector circuit
components (7a7d, 8a8d)
and able to be cut out at suitable cutting points to provide a desired mounting
circuit profiled in a selected relay circuit pattern.