120 volt Gray 450 watt Single-Pole / 3-Way Incandescent / Halogen Magnetic Low Voltage Wall Dimmer Switch
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Lutron Ballasts

Lutron Dimmer Switch (33123)

120 volt - 450 watt - Gray - Wall Switch - Preset Dimmer - Magnetic Low Voltage - Incandescent / Halogen Compatible - Single-Pole / 3-Way - Skylark

$58.79
  Retail: $71.10
Quantity:
Should ship by October 16
Details
Part #: LU33123
Manufacturer: Lutron
Manufacturer Part #: 33123
Manufacturer Description:

SLV-603P-GR SKYLARK 600VA 3WY PRESET GRAY

UPC Code: 027557331234
Case Size: 8    ($470.32/Case)
The pricing of $58.79 is per item, not per case
Type: Single-Pole / 3-Way
Color / Finish: Gray
Maximum Wattage: 450 watts
Minimum Load: 40 watts
Bulb Compatibility: Incandescents, Halogens
Applications
Can be installed without a ground connection
In a 3-way application use only one Skylark dimmer. In the other location a standard mechanical switch is needed, such as model CA-3PS or CA-4PS
Can be used in a 4 way application. In this type of application three switches control the lights. Two of those switches are 3-ways, the middle location is a 4-way. A Diva dimmer will need to be installed in one of the two 3-way locations. Switches will need to be kept in the other 3-way and in the 4-way location
Features
Slide dimmer
Only works with incandescent and halogen bulbs
Troubleshooting
Problem: Lights flicker or do not turn off
Check the bulbs in use are incandescent or halogen
If being used in a 3-way application, make sure only one dimmer is on the circuit. A mechanical on/off switch will need to be used in the other location
Problem: One location will not turn on if the other location is turned off
The common and traveler wires are switched at one of the locations. Consult the installation guide and wiring diagram for wiring guidelines in a 3-way setup. The common wire will be identified as the "tagged" wire. This wire either brings line voltage into the wallbox, or delivers voltage to your lights. Traveler wires go between 2 wallboxes and typically "travel" together in the wall. If the common and traveler wire are switched on the control, one side will only turn on if the other is in the on position.
Related Documents
3-Way Wiring Diagram
Dimmer Application 3
Dimmer Application 519
Installation Instructions
Single Pole Wiring Diagram