I have a Utilitech 041224 timer. It has no wires; rather it has 4 openings labeled N, G, L-1 and L-o. The electric box has only 3 wires, 2 insulated and one bare. How do I proceed?
SOURCE: Diehl Timer 4 pin wiring
The documentation for this timer is not available for download, you can enquiry about this device here :
SOURCE: Utilitech Wall Timer #0192773 does not switch
Old timer: Intermatic EJ500 & ST01C timers have a battery. Battery operates the clock motor. Red wire is for 3-way circuit [a hallway with 2 switches is a 3-way circuit].
Utilitec timer, clock runs on 120Volt circuit instead of battery. So clock has to have power.
How to connect wires:
Black timer wire connects to hot wire from breaker box.
Red (or blue) timer wire goes to landscape lights.
White timer wire connects to white neutral wire [or if no neutral is available, connect to bare ground wire].
Green timer wire goes to bare ground wire.
How to find black hot wire and white neutral wire inside box: Disconnect and separate wires so you can test. Use ordinary tester. Power is on. There is only 1 black hot wire inside each electrical box. Test each black wire to bare ground until tester light comes on > that identifies the black hot wire. Next, test black hot wire to white wires until tester light comes on > that is the neutral wire. Exception: This test does not necessarily work with 3-way switches since they reverse each time switch is thrown.
SOURCE: Can you please provide instructions
What you are describing is a wall electrical box for a "Wwitch Loop". What this means is that the power source (Hot and Neutral) go to the light first. What the electrician has done is run a wire from the light in which one wire is the hot leg from the source and the other one is the "switched leg" which runs back to the light as controled on-off power to it. The only legitimate way to use this timer would be to replace the wire from the wall switch to the light with a 3 conductor cable (3 current carrying wires and a bare ground or green wire). This would allow you to bring the hot and neutral along with the controlled "switched leg" as this time requires a constant source of power for the timer itself. Don't be tempted to let someone tell you to use the ground wire as a neutral. It is not safe to do that.
SOURCE: installation of utilitech 7-day digital timer
Open following link for clear description and illustration of Utilitec wiring.
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html
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