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Have a tork time switch (mechanical) and have question on how to ground it? Also help in understanding their wiring diagram on box cover..

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They are simply grounded by a screw inside usually on the metal box... it will be identified by its green color...simply connect the ground wire to that green screw...

L1 will be the black or "hot" wire and L2 or N will be the white wire...
L1 will feed through and be the "hot" coming out switched...normally open is when the switch needs to make to send power out and normally closed means that when the switch makes it will stop the power going out...


Posted on Aug 07, 2010


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Can a tork timer 1101 be used to control a 240 volt pool pump motor by controlling only 1 lead of the motor thus having the other lead hot all the time?

Yes: 240 volt can be controlled by turning off 1 hot leg of 240V circuit.
But the tork 101 clock motor still requires 120Volts (unless you buy a tork 240volt 201 clock motor to replace the 120volt 101)

Copy following links for handy resource and wiring diagram:

In the wiring diagram above, it shows white neutral wire running to Tork 1101 timer terminal 2. Bring this white neutral wire from any nearby 120volt outlet.
In event that you do not have this white neutral wire, you can connect ground wire to terminal 2 and that will give 120volts to the 101 clock motor.
Completing circuit to clock motor using ground wire is violation of national electric code for many reasons, however the tiny clock motor only draws 3 watts, and you will remember to bring a white neutral wire to this timer at later date so you can sleep better at night.

Additional resources:


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Aug 27, 2013 | Hardware & Accessories

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How to ground a Tork EW103B time switch wired for 240Volt since there is no ground lug in the plastic housing or on the body of the timer itself

Many plastic timer enclosures do not have ground screw.
Simply join the ground wires inside wiring space using wire nut.

Since the timer mechanism is plastic, it is non-conductive.
It's like using all-plastic electric drill. The drill does not have ground wire because the electrical components are housed completely in non-conductive plastic.

You can buy the Tork 9000A metal Nema3R enclosure if grounding is preferred. Or buy Intermatic 2T511GA metal Nema3R enclosure plus buy Tork IAP adapter to fit Intermatic enclosures.
Choose the metal enclosures when conduit needs to be supported and timer could be hit by some object.

The non-grounded box and non-grounded timer is also true of GE digital timers 15132 and 15136. Which coincidentally have same wiring as EW103 when using 240Volt.

However the Tork DTU40 timer has ground screw >>> but the timer is not grounded, so ground screw is merely for joining wires together.

If you need further help, I’m available over the phone at

Jul 31, 2012 | TORK Hardware & Accessories

1 Answer

I have a new GE 15306 Mechanical Time Switch and need to wire it up to 2 white and 2 black wires that I had on my old timer. I need more information on the wiring than is on the diagram on cover of metal...

GE 15306 is a version of 120Volt Tork 1101 indoor-outdoor timer sold at Home Depot under GE name and number.

You have 2 cables.
One cable comes from Breaker box, and other cable goes to Load (light, fan, motor, pump).
Each cable has black and white wire.
1) Cable from breaker box: Black wire H Hot connects to to terminal L.
Notice there is a metal bridge that connects terminal L and terminal 1.
If metal bridge is missing, use a jumper wire and connect L and 1.
White N Neutral from breaker box connects to terminal X.
2) Cable going to Load:
Black connects to terminal 2
White connects to terminal X.
So both white wires are on terminal X.

Jul 14, 2011 | General Electric GE 56941 24-Hour Outdoor...

1 Answer

Need a diagram for cooper #277w

I made following diagram based on Cooper pilot light instruction sheet:
Neutral wires are usually the white wires that are twisted together in back of box and covered with wire nut.
If your box does not have neutrals, you can also connect bare ground wire to silver screw until you have time to run neutral wire to box >> ground to anything but ground screw is not code and not recommended.


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Feb 18, 2011 | Cooper Wiring Devices 277W-BOX SINGLE POLE...

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How do you program a Tork 602A timer? I can't get mine to cycle on and off at a desired time.

The Tork 602A mechanical outdoor timer with 2 grounded outlets.
Tork 601A and 602A manual
Manual has images of timer that will help.

Plug timer into outdoor outlet.
To set current time, rotate dial clockwise until current time lines up with arrowhead located on inner dial.
Dial is divided into light and dark sections that represent day or nighttime hours.
Reset time after power outage.

96 pins located around timer dial are used to set on-off times.
Each pin represents 15 minutes in 24 hour day
Move pins in-or-out with fingernail or ink pen to set timer on-off functions.
With Tork timers, usually when pins are out, timer is ON.
When pins are in, timer is OFF.
To double-check pin setting, manually rotate timer to watch when lights turn on-off.

Set multiple ON/OFFs each day.
Change on-off times by resetting a pin or two.
Timer repeats every 24-hours.

Manual ON/TIMER switch is located on inner dial.

Set Manual switch to TIMER for programs to operate.
To override time and turn on Load, move override to ON position.

Dec 09, 2010 | TORK 601A 24 Hr Mechanical Outdoor Timer ...

1 Answer

I have a noisy TORK model1101 24hrtime switch there is a broken spring in there and it won't switch OFF is it repairable or do I scrap it and Hunt for a new one? If you cant give me and answer with...

Fixya answers questions.
NSI is responsible for Tork.

Electro-mechanical timers make audible click noise when timer turns on-off.
T1101 spring is the time-carryover for power outage.

Buy another Tork T1101 and swap out insides without changing box:
Take photo of wiring before making changeover.

Replace Tork with Intermatic T-101 120V timer
T101R for weathertight
Amazon for T101
Aplus sells T101R

For help wiring T101

Nov 13, 2010 | Hardware & Accessories

1 Answer

I have a Tork timer model number 1101 24 hr time switch. Can you tell me how to set it???

Tork 1101 is a 120V mechanical dial-type timer

c79f9b8.jpgTork 1100 series

To set timer, you lift and rotate dial. Line up current time with the word Time located to lower right of dial.

Next, place trippers on dial. Dark trippers are OFF and light-colored trippers are ON

Tork 1101 is 120V timer.
120V Black Hot wire from circuit breaker connects to Pole L
There is a brass bridge that connects Pole L and Pole 1 >> if this is missing, put a jumper wire that connects both Poles
120V White Neural wire from circuit breaker connects to Pole X
White wire going to Load (lights, fan, motor) connects to Pole X
Black wire going to Load connects to Pole 2

Up-vote if this information was helpful. Thanks for the feedback.

Oct 14, 2010 | TORK 651A Photocell Controlled Mechanical...

2 Answers

I have a Tork 1101. I am confused by wiring diagram. Please help.

1) Tork 1101 has 120Volt clock motor, making this 120Volt timer.

2) 120Volt circuit has 1 black hot wire and 1 white neutral wire and 1 bare ground wire. Ground wires connect to green screw and to each other.

3) You have two cables, each cable has black, white and ground.
One cable arrives from breaker box.
One cable goes to Load (light, fan, motor, pump etc)

4) Cable arriving from breaker box:
a) Hot black connects to terminal L.
There should be a brass connector plate that connects terminals L and 1. If this plate is removed, then add a jumper wire from terminal L to terminal 1.
b) white connects to terminal X

5) Cable going to Load
a) Load black connects to terminal 2
b) Load white connects to terminal X along with other white wire.

Aug 20, 2010 | TORK Variable Cycling Timer 8601

1 Answer

I have a tork 1103 electromechanical switch. its working but wont

T1103 can be wired many ways.
T1103 has 240V clock motor.

You are connecting 240Volt pool pump to timer.
Open link below and see wiring diagram: look at bottom left diagram:

Electricians don't guess, they test.
Turn power off and separate wires for testing.
Tape tester leads to wood sticks to keep hands away from power.
Stand on dry boards. Wear dry clothes.
Do not touch anything metal.
Turn power ON.
Test each wire to bare ground wire.
For 240V circuit, two different wires should light up tester. Working from your description, by code, these wires should be black and red.
Each of these wires is Hot wire.
These are called Line wires, wires going to pump are called Load wires.
Hot wires connect to terminals L and 1. This will power the clock motor and dial will rotate as time passes, assuming clock motor is good.

Hots are identified.
Test one of the hot wires to remaining wire, and not to bare ground.
Tester lights up on Neutral wire. This should be white wire.
Double check that Neutral wire did not light up on bare ground.
Neutral is not connected to any 1103 terminal.

Remaining wires go to Load (pool pump).
By code, assuming Hot Lines are Red and Black, the Red & Black Load wires connect to X terminal and 2 terminal, in either order. One wire on each terminal.
White wire connects to Neutral wire and is covered with wire nut.

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For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jul 15, 2010 | TORK Digital Interval Timer Ssa100r-24

1 Answer

I am replacing an old Tork mechanical Light contoller with a new Tork digital light controller.The unit will control an outside pole light but on the same circuit I have manually switch contolled lights on...

Tork timers are each a bit different depending on voltage and model number.

Each timer has a model number on inside of timer door.

1) Add a comment with model numbers for each timer, and voltage you are working with, and I will post the conversion wiring.

2) Also look up your model number and wiring diagram on following link.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Nov 05, 2009 | TORK Digital Interval Timer Ssa100r-24

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