Demonstrate what all the input and output wires (J1 and J2) on the P2140 do and where to connect them. We'll also provide a quick overview of the jumpers that control how your primary and secondary output rails behave.

How to quickly wire and configure the P2140.

Screw driver, electrical tape, multimeter (optional), wire strippers, p2140

**Next Time
How to splice your AC/DC brick to power your laptop/mini computer.