An electric unit according to the invention has a first and a second image pickup cables 46 and 47 having flexibility, a heat shrinkable tube 57 having a cable bundling portion 57a that bundles the first and the second image pickup cables 46 and 47, a first and a second substrates 44 and 45 to which the first and the second image pickup cables 46 and 47 are connected, an anti-mist element cable 58 and a heat radiation cable 60 that are bundled by the cable bundling portion 57a together with the first and the second image pickup cables 46 and 467 to protrude to sides of the first and the second substrates 44 and 45 from the cable bundling portion 57a, and a reinforcement frame 56 that fixes core wires 58a and 60a of both the cables 58 and 60, and both the cables 58 and 60 are placed in positions that are deviated from a center axis of the heat shrinkable tube 57 in the cable bundling portion 57a. Reference drawing: Fig. 5