[DByers]

If you are set on doing this yourself do some research. Search the internet and buy some books. There is one called Basic Home Wiring that is a great starter for the DIY guy.

Do a motion sensor type intall so the light comes on only when the door is open, and goes of soon after it closes. Cutting in a door jamb switch is not fun.

Make sure the power is off to the circuit you plan on drawing power from. Find the Jbox to tap into and use 14/2 romex for the pantry light. Always test twice with a meter that the power is off and do not become the path of least resistance.

If this all sounds to much to tackle hire an electrician that is licensed. Should be a 2-3 hour job for a decent electrician. Some may even do it for cash on the weekend or after hours.

Oh yeah, the volts only tickle you, its the amps (milli) that will stop your heart.