We wouldn’t trust the insulation by itself to cross wires, but with a bit of insulating material between–a piece of paper or electrical tape, for example–you could probably cross with impunity.

LED pads bridged to copper tape, with Kapton (polyimide) tape insulating any crossovers. The other issue that needed attention was wiring.

When Lewis Cohen co-founded Venture Tape in 1980, the company sold one type of copper foil tape. Now the Rockland company manufactures more than 1,500 different varieties of tape. The company’s ...