Digital Timer Switch Electrical Wiring Instructions

How to Wire a Timer Switch for Lighting: As described, the wiring will require four wires for the connections to the time switch.

Requirements for Most Digital Timer Switches
Electrical Question: I just bought a Pass & Seymour RT1W Digital Timer switch to replace my simple single-pole switch.

• My problem is that the installation instructions diagram doesn’t match my simple 1975 Constructed home,  switch-box configuration which is one wire set – white, black, unshielded ground connected to nothing in the box.

• My new switch comes with FOUR wires:
  • White (labeled Neutral)
  • Black (labeled HOT, power from circuit box)
  • Red (labeled LOAD, power to lamp or fan)
  • Green (labeled GROUND)

The ground is easy, but do I connect the other THREE(White, Black, and Red) RT1 switch wires to the TWO (Black & White) I have left in my old switch box?

Background: Ron, a Homeowner from Newberg, OR.
Additional Comments: I’m anxious to see how this site works out. If it is what it seems to be … this is really awesome !

Dave’s Reply:
Thanks for your electrical wiring question Ron.

How to Wire a Timer Switch for Lighting

• Ron, the digital time switch that you have requires a separate neutral wire.
• Your wiring configuration will not work with this timer unless there is a neutral wire in the switch box.
• As described above, the wiring will require four wires for the connections to the time switch.

I have provided the following that lead to fully detailed information on this website that will assist you with your Digital Timer Switch Project

• Light Switch Wiring
• Electrical Wire for the Home
• This link is helpful as a Homeowner
  • Do-It-Yourself Electrical
• Make sure not to miss these Resources for: Wiring Diagrams
  Wiring Diagrams

» You Can Avoid Costly Mistakes! « Here's How to Do It: Wire It Right with the help of my Illustrated Wiring Book Great for any Home Wiring Project. Complete Guide to Home Electrical Wiring Perfect for Homeowners, Students, Handyman, Handywomen, and Electricians Includes: Wiring GFCI Outlets Wiring Home Electric Circuits 120 Volt and 240 Volt Outlet Circuits Wiring Light Switches Wiring 3-Wire and 4-Wire Electric Range Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet How to Troubleshoot and Repair Electrical Wiring Wiring Methods for Upgrading Electrical Wiring NEC Codes for Home Electrical Wiring ....and much more.

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Home Electrical Wiring and Electrical Repairs Please Note: Unless otherwise posted, please refer to the following Guidelines when working on Electrical Projects: Skill Level: Intermediate to Advanced - Electrical Repairs and Circuit Wiring is Best Performed by a Certified Electrician or Licensed Electrical Contractor. Electrical Tools Required: Basic Electricians Pouch of Hand Tools, a Voltage Tester and a Multi Meter. Estimated Time: Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area. Precaution: Identify the project circuit, turn it OFF and Tag it with a Note before working with the wiring. Important: Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.

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