Multi-select problem: How does the next paragraph end?

How to connect a guitar pedal
Turn everything off.
Anytime you're connecting or disconnecting an effects pedal, you need to cut the power to everything in the chain. While the power cables can and should be plugged in to each separate unit, the units themselves should be switched off.

(1). The whole staff is responsible for doing this. Of course, the sound you hear while running each pedal could change depending on what operating system the pedals are running on..
(2). Plug a new power cable into the power outlet of your stereo system. Shut off the power supply using power timmers..
(3). Take your guitar by its neck and check to see if there are any disconnected plugs, extensions, or wires. Some pedals, and electrically connected pedals, also require to be unplugged at normal use..
(4). Make sure the amp and each pedal are switched off when you connect them. There is one exception to this rule though-if you are using a tube or valve amp..
(4).