Question about Intermatic Inc. ST01C Digital In-Wall Timer

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Intermatic light timer stopped working..it has black and blue and red wires my wall box ha 2 black wires

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Replace CR2 battery, then reset timer.
If functionality is not restored, then replace timer:
http://waterheatertimer.org/ST01C-program.html#battery

Gene

Posted on Aug 12, 2014

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SOURCE: Trying to replace Intermatic with Utilitech inwall

The wires on your new switch are intended for black = power .. white = neutral . and red = lights .. with two black wires on the old switch I am assuming that there is a bundle of white wires in that wall box, the white timer needs to join that bundle ... then you need to determine which black wire is the power from the electrical panel ( voltage tester) and connect to the black timer wire .. the red timer wire connects to the other black wire in the wall..

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Posted on May 13, 2010

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Cannot get new digitical timer to work have 2 black wires in wall box but new timer has black, blue,green,red, and white


Red wire is used for 3-way only... cap off for single pole
White is neutral, black is hot, blue goes to load, green is ground
Copy following link for wiring your timer:
http://waterheatertimer.org/How-to-wire-GE-15312-timer.html

If box does NOT have white wires twisted together and covered with wire nut: then suggest to buy Ei600 or ST01 battery operated timer
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#ST01C

Gene

Apr 18, 2014 | Intermatic Hardware & Accessories

1 Answer

Only have two wires to connect to


What timer are you installing?

Intermatic battery-operated timer with red, blue, black and green
Green connects to bare ground
Red is capped off.
Blue connects to one wire
Black connects to other wire
Push on-off button: if light comes on, timer wiring is correct.
If light does not come on, then reverse blue and black wires.

Other in-wall timers except Aube have red, black, white and green
Green goes to bare ground
Red connects to one wire
Black connects to other wire.
White: in back of electrical box are white wires twisted together and covered with wire nut. Connect white white to these other white wires.
If box does not have white wires described above, then connect white wire to bare ground along with green wire.
Push on-off or override switch: if light comes on, timer wiring is correct.
If light does not come on, then reverse red and black wires.

Dec 13, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

When I press the timer to go on my three outdoor lights go on and off, timer clicks that way too


Timer is wired incorrectly.

1) If you have battery-operated Intermatic EJ500 or ST01C, with red, blue, black and green wires:
Then red wire is where blue wire should go. Swap blue and red wire.

2) If you have Aube battery-operated timer, add a comment and say if you are replacing single-pole or 3-way switch. And say where each wire is so far.

3) If you have GE Tork Intermatic UPM Woods Brinks Hagar Pass-n-Seymour Stanley Westek in-wall timer, with red, black, white and green wires, then you probably put red and white wires together.
Add a comment any time.

See instructions along with image at following link:
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html

Heres how to wire timer

1) Timer-green-wire connects to bare ground wire.
2) Switch has 2 wires. Take switch wires and connect them to timer-black-wire and timer-red-wire. Choose either one for now.
3) In back of electric box are white wires twisted together and covered with wire nut. Connect timer-white to these wires.
4) If electric box does not have white wires described above, then connect timer-white to bare ground, along with timer-green wire.
5) Turn on electricity, and push ON-OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-red and timer-black wires.

Dec 11, 2010 | Woods Hardware & Accessories

1 Answer

Installing replacement for neighbour and cannot get lights to work. Single switch running 6 flood lights(each 60w) with 2 burned out. Have power to switch as can get standard switch to work. This is...


If I understand correctly you have standard on-off situation for exterior lights. Load is 360 Watt, well within capacity of all in-wall timers.
You have identified the hot wire.
You have confirmed that load works, and that electricity is ON.
Regular on-off switch works fine.

Now the information is a bit fuzzy.
You are installing a timer to control this load?
You do not identify timer.

So I will jump into the shark waters and ASSUME ...
That your timer has 4 wires?

A) Timer is battery operated Intermatic ST01C or EJ500 with red, blue, black, green.
Red is capped off.
Green goes to ground.
Black goes to hot from breaker.
Blue goes to Load.
Click on-off button, if timer does not operate, reverse blue and black.
If lights click on-off, then you put red wire where blue wire should be

B) Timer does not have battery and is Tork, GE, Intermatic, Woods, Utilitec, Westek and has red, black, white and green wires.
Here's what to do:
Green goes to ground
Two switch wires connect to red and black in any order right now.
In back of electric box are white wires twisted together and covered with wire nut. These are neutral wires. Timer white wire connects to the neutrals. This will power the internal clock motor.
If box does not have neutrals, the timer white wire connects to bare ground along with green wire.
Click manual override button, if lights do not turn on, then reverse red and black wires.

Why does you neighbor's timer not last very long?
I don't know.
If timer has battery and timer exposed to cold temperatures, then battery lasts about a month.
If timer has no battery, you have to send me the model number and let me look into it.
Use a circuit analyzer on receptacle on same breaker and see if anything shows that might interfere with electronics.

Add a comment any time.

Dec 08, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Flickering bulbs


You posted under EJ500 Intermatic battery-operated timer.
If you have different timer, add a comment.
I have tested EJ500 timer.

A) If this is new single-pole installation and lights click on-off when timer turned on, then you connected red wire where blue wire should be connected.

Manual says for single pole switch:
Timer-black-wire to Hot; Timer-blue-wire to Load (lights)
Here's how to wire timer correctly:
1) Timer-green-wire connects to bare ground wire.
2) Switch has 2 wires. Take switch wires and connect them to timer-black-wire and timer-blue-wire. Choose either one for now.
3) Put wire nut on red wire.
4) Turn on electricity, and push ON-OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-blue and timer-black wires.

B) If you are replacing 3-way switch, view wiring diagrams shown on link below, and then add a comment saying exact color of wires. To wire this timer for 3-way can require additional wire between switches. This is because EJ500 blue wire must always go to Load (light, fan, motor)
http://waterheatertimer.org/ST01C-program.html#EJ500-wire

C) If this is older timer that stopped working, check your bulbs. Then check timer battery. Manual says if timer stops working and bulbs are good, and battery good, then reset timer and reprogram. How to reset timer. Press reset button while holding down Next/ON-OFF button.
EJ500 manual has long list of programming instructions: Add a comment if you forgot parts of programming.
EJ500 manual
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/ej500c%20-%20english.ashx

Nov 28, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

I have an outside light that I want this timer to control. The switch box has a black and a white going out to the light and a black and white with the electricity. The instructions show to hook the red...


You posted under ST01C timer which has 3 wires: black blue and red (no white wire)
Your description seems to say your timer has 3 wires: black white and red

These are two different timers
I'm going to give you two different instructions that are dead-accurate for both types of timers above:

1) Instructions for ST01C and EJ500 Intermatic timers with black blue and red
Lets do the black and white with electricity:
The black Hot wire connects to Timer-black-wire
The white Neutral wire connects to white wire going to Load (to lights)

Now the black and white to the Load (lights)
The black to Load (to light) connects to Timer-blue-wire
The white wires are connected together with wire nut

The red wire is capped off, and used only if you have 3-way switching.
Green connects to bare ground

2) Instructions for all in-wall timers with black, red and white wires (except Aube series timers)
Lets do the black and white from electricity
The black Hot wire connects to Timer-black-wire
The white Neutral connects to Timer-white-wire and to white wire going to Load

Now the black and white to the Load
The black wire to Load connects to Timer-red-wire
all three white wires are connected and covered with wire nut
Green connects to bare ground

DO NOT CONNECT RED TO WHITE with any model in-wall timer and then turn on power or it can blow out the timer >>> I just did that while experimenting with the Utilitec 0192773.
Red wire goes to Load on all timers, except with Intermatic ST01C and EJ500

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Oct 17, 2010 | Intermatic Inc. ST01C Digital In-Wall...

2 Answers

Utilitech Wall Timer #0192773 does not switch landscape lights on? Replaced Intermatic that had 3 wires. Black to Black, blue to black and red was capped. Utilitech came with 4 wires - black, white,...


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.

Sep 14, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Hello, I have 2 black wires coming from the junction box, and a copper ground wire. I connected the green wire to the ground. Where do I connect the red, white, and black wires?


The timer should have red, black,blue and green wires. (no white?) If you have only the two black wires coming from junction box, then connect green to ground like you did. Connect the incoming black (HOT) to the black wire on the timer.connect the outgoing (to the light) to the blue wire on the timer. Cap of with wire nut the red wire. This is for a single pole switch installation (Only switch for the light) If this is for a 3-way control (where you have 2 or more switches) then you use the red.

Aug 05, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Trying to replace Intermatic with Utilitech inwall timers. Have 2 black wires in wall box with other switches for other lights. Which of the Utilitech 4 wires- black, red, white & green get conected to...


The wires on your new switch are intended for black = power .. white = neutral . and red = lights .. with two black wires on the old switch I am assuming that there is a bundle of white wires in that wall box, the white timer needs to join that bundle ... then you need to determine which black wire is the power from the electrical panel ( voltage tester) and connect to the black timer wire .. the red timer wire connects to the other black wire in the wall..

Please Vote !!

Apr 08, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

Bought an intermatic model EI600 wall switch timer to use with gfl outsidelights. black green, blue and red wires from the back. Went black to black, green to ground, red tored and blue to white in...


That is a three way timer. There is no wire that the white wire gets hooked to. The black is the hot, the blue sends power to the device, and the red goes to a switch that connects it to the blue wire essentially. Here is a PDF of the directions, including wiring diagrams.

http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/ei600c%20-%20english.ashx

Mar 06, 2010 | Intermatic EI600WC - In-Wall Decorator...

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