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How to install timer






Single pole timer

(With or without neutral wire available inside box)
Applies to most ordinary in-wall timers
How to replace ordinary wall switch with single pole timer

Your wall switch has 2 wires, plus green ground screw for bare-copper ground wire.
Timer has 3 wires, plus green ground wire.

Extra wire on timer is used to run clock inside timer.
Typical in-wall timer clock consumes .8 Kwh per year

Manual says:
Timer-Black-wire to Hot;
Timer-Red-wire to Load (lights)
Timer-White-wire to Neutral.
Timer-Green to ground.
Heres what to do
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.
Variations: (Leviton timers have blue wire instad of red) (and Some 3-way timers have both red and blue... use blue and cap red)
3) In back of electric box are white wires twisted together and covered with wire connector. Connect timer-white to these wires.
4) If electric box does not have white wires described above, then connect timer-white to bare ground. Timer will work until you have time to run additional White neutral wire from nearby outlet.
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.
If lights blink after installing timer, then white wire is connected to red wire.
Single pole wiring above applies to
Resources:
Intermatic
: Ei500, ET724, Ei200 series, ET616, E1010, E1020
GE
: 15071, 15086, 15265, 15266, 15318, 15067, 15088, 15070
Tork
: 701, 711, SS720, D1060, D212
Swilight
LST 100, 200, 300
UPM,
Leviton
6200 series, LBT60 series
Lutron
MAT51
Hagar
: 31500 series
Woods
: 59018, 59028, 59000 series, 59017
Utilitec,
: LW60419, 0192773, LW60418, 0141224, 156020
Sylvania
: SA150 , SA 155, SA160, SA170
Maxxima
DT1800, HET01, PT800
Pass and Seymour
RT1
Lutron
MA-T series
Hubble
T200
Wattstopper
RT50 etc
Marktime
Westek in-wall timers
Single pole wiring above applies to
(Random photos)

 Swilight LST 700  
Intermatic EI500    
Tork 701A   Pass and seymour RT12
Hagar horizontal wall timer
 
Grasslin ET616 
GE 15313 incandescent-only 7-day timer
See GE 15313
Leviton LTT series coundown / incandescent only
See Leviton LTT

Digital Timers with NO white neutral wire

Follow same directions shown above, except ignore white wire connection.

Larger image

3-way Timers

Open following links
Resources:
GE 15312 wiring
Applies to GE 15312 timer
     
Resources:
Intermatic ST01C wiring
Intermatic Ej500 wiring
Applies to ST10C, Ei600, Ej500, Ej600, Ei400
 
Remember, the timer replaces 1 of the three-way switches. The other three-way switch is rewired to operate as ordinary on-off switch. The remaining switch functions to reverse the timer programming.
Larger image of wiring
Another image of wiring
Instruction manual and wiring

Single-pole spring wound timers

 12 hour shut off timer  Spring wound timers have connections for 2 wires, and some models have 4 wires
Resources:
See all spring-wound timers
Spa timer wiring
Timer, spa and wires are GFCI-protected when Black Hot and White Neutral wires are connected to Line and Load screws as illustrated.
Most spa timers have maximum 20 amp rating, and will turn contactor on-off instead of directly controlling motor load, depending on motor rating, and spa design.
Resources:
See contactor wiring
How to wire GFCI

Spa timers and modules


PB series digital


PB series mechanical



 Diehl mechanical



FM1 series















Intermatic FM1 timer
TB 178 timer
Box type timers, and other timers
Resources:

See all boxtype
How to wire Intermatic T100 series and T170 series timers
How to wire Intermatic Sprinkler timers
How to wire WH40, EH40, EH10, WH21 timers
How to wire Intermatic ET series timers
How to wire Intermatic GM40 and WHQ timers
How to wire T1906, T1905, T1975, T1976 timers
How to wire Intermatic ST01C, Ei600, EJ500 timers
How to wire Intermatic/Malibu timers
How to wire Intermatic FM1 timer
How to wire Intermatic PB300 series timer
How to wire Intermatic whole house surge
How to wire remote control timer
How to wire 3 phase timer
How to wire GE 15312 timer
How to wire GE 15207 timer
How to wire GE Box timers
Tork DTU40 wiring

How to wire box timers


Intermatic GM seriesTork-DTU40
Greenbrook T80 timer wiring

How to wire DIN rail timers



In-wall water heater timers

Resources:
How to wire timers for water heater timer
277 480 3-phase WYE

3-Phase timer

Resources:
How to wire 3-phase timer
How to install 3-phase surge protector
Wire GE 15312 timer

How to wire switches

Resources:
How to wire switches

240Volt outlets and plugs

Resources:
How to wire 240Volt outlets and plugs

GFCI


Buy:
GFCI breakers at Amazon
Arc fault breakers at Amazon

Resources:
How to wire GFCI outlets and combo-switches
Resources:
Select correct wire size
Select and install wire connector

Household NM-B Wires are color-coded so inspectors/ electricians can easily identify which wire is used during construction



Electricity leaves power plant What is 3-phase electric: power plant to end user
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Resources:
How to install gas water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
box timers Compare box timers
programmable timer Compare programmable timers
Countdown timers Compare countdown timers
Compare power packs

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