Installing a new Disposer

Hello:
I would like to install a new garbage disposer in the kitchen (none was there previously). There is a light switch near the sink just right above the dishwasher. I consider myself a novice in hardcore electrical wiring stuff (though I do some basic stuff such as installing a ceiling fan etc). If possible I want to make the wiring for the disposer that is safe and adhere to NJ wiring codes. Could some one please help me with what exactly needs to be done and how I can do it?
Also in this group, while searching I came across a posting which said complete houe wiring should typically be done in "parallel" connection method not in "serial" way. Turning on a hair dryer would dim all the lights/appliances if the connection was done serially. It seems if the wiring was done incorrectly then diming of lights would occur and that the home inspection would fail from the township (mine is a 4 yr old new construction). Is there an easy way without ripping walls to find out how the connections/wiring were done?
Thank you all in advance.
Chenthil
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Is the light switch fork the light or does it control a receptacle under the sink for a disposal? If it is for a light, just leave it alone. Run a new wire to someplace else.
You have a couple of options. With a continuous feed model you have to have a switch to control it. With a batch feed model you only need power tot he disposal, making wiring easier.
We need to know where you can get electricity to run to the disposal. Wiring the unit is simple, just connecting the two power lines and a ground.
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