Installed Acenti by Leviton single pole switch and when in "off" position, there is a flickering of light on and off, its like a pulse... model AC201-1LW... the only thing i can think thats wrong was after i checked the amps i noticed that the acenti switch is 20A and my old switch is 15A, breaker is 15A as well... would this cause it to flicker on and off? do they make 15A models?

Single pole switch?
http://waterheatertimer.org/How-to-wire-switches.html

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Leviton PR180 is a single-pole or 3-way motion activated light switch.
Resources:
http://www.leviton.com/OA_HTML/ibeCCtpItmDspRte.jsp?item=452283§ion=10892&minisite=10026

The green connects to bare ground wire.
The yellow-red is not used EXCEPT to replace 3-way switch. Cap off yellow-red wire when wiring single-pole.

Your single pole switch has two black wires.
One black wire is Hot from breaker, and the other black wire goes to Load.
Turn power on, and test each black wire to bare copper wire. Tester lights up on Hot wire.

Hot wire connects to PR180 black wire.
Load wire connects to RR180 red wire

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Yes you short circuited the dimmer switch, it requires replacement to dim the light.

You have installed a "Normally Closed" (NC) pushbutton. You should replace it with a "Normally Open" (NO) pushbutton, sometimes called a "momentary" switch.

usually you use the black lead for live

Sounds like that dimmer you ruined
You must turn off power when replacing
And test the wires

Electrician test wiring before connecting anything.
First of all, you don't mention what type of switch was replaced.

1) Leviton 6230 countdown timer is made to replace single-pole light switch only.
Single pole is where 1 switch controls the Load (light fan motor)

Your wiring sounds like 3-way switch.
3-way is where 2 switches control same Load.
For example a hallway usually has 3-way switches.

To confirm. If old switch has 1 dark screw, 2 brass screws, and 1 green screw, then that is 3-way switch. Use Leviton LTB15, LTB30, LTB60, LTB02, LTB12 countdown timer for 3-way.
Smarthome sells product and shows .pdf manual
http://www.smarthome.com/4255/Leviton-LTB60-1LZ-4-Button-10-20-30-60-Minute-Countdown-Timer-Switch/p.aspx


2) If old switch has 2 brass screws and 1 green screw then that is single-pole switch.

3) If you are replacing single-pole switch, here are testing & wiring instructions for Leviton timer.
Remove device and separate wires for testing.
Use ordinary two wire tester.
Tape tester leads to wood sticks so hands are away from power.
Do not untwist wires that were twisted together before you started.
Turn on power.
Test each wire to bare ground wire.
Tester lights up on Hot wire. This wire will connect to timer black wire.
Now you know Hot wire.
Test Hot wire to each of the other wires, excluding bare ground wire.
Tester lights up on neutral. Timer white wire connects to Neutral wire.
If box does not contain Neutral wire, then timer white wire connects to bare ground.

Timer green wire connects to bare ground wire.
Timer red wire connects to wire going to Load.

Disconnect 1 side of light. Wire nut 1 wire from switch to 1 side of wire from light. Wire nut other side from switch to light. You now have a switch inline.

It's the same as you wire any single pole switch.

ok, i think what you mean is a 3-way switch- meaning two different switches that control one light and a single (pole) switch that only controls one light. you can't do that with the above switch. You need a combination 3-way and single pole switch.