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How to wire T102 timer

SPST 240-277 volt timer
water heater timer
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Indoor metal box
SPST 240 volt
T102 series at Amazon 
T 104R
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Indoor metal box/ day skipper
T172 at Amazon
T 104R
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Outdoor metal box
T102R at Amazon
T101P timer
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Outdoor plastic box
T102P at Amazon
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240 volt Mechanism only
T102M at Amazon

Wiring for T102

T102 208-277-240 volt wiringWire Intermatic T102 timer T-102 timer 208-240 volts
Hot1 and Hot2 connect to Terminals 1 and A
Hot 2 to Load connects to Terminal A
Hot1 to load connects to Terminal 2
Timer clock motor is pre-wired for this installation

When white wire is used to carry voltage, instead of used as neutral wire, then add black tape to notify next electrician what wiring is present.

T102 manual
T172 manual:
Intermatic T102 wiring

T-102 timer 277 volts

T102 is for voltages from 208V to 240V to 277V
Hot connects to Terminal 1
All Neutrals connect to Terminal A
Hot to load connects to Terminal 2
Timer clock motor is pre-wired for this installation
277-480 3-phase
How to wire 3-phase timer

T-102 clock motor 240 Volts (208-277V)

WG1573 for 60 Hz 240V at Amazon

T102 timer clock motor

Intermatic clock motor >>>>> Intermatic clock motor

T-102 timer changed to 24 Volts

CW1570 for 60 Hz 24V at Aplus

T-102 timer changed to 120 Volts

WG1570 for 60 Hz 480V at Amazon

T-102 changed to 50 Hz:

WG1571-10D motor for 50 Hz 120Volt at Aplus
WG1574-10D motor for 50Hz 208-277V Amazon

T-102 timer changed to 480 Volts

WG1576 for 60 Hz 480V at Amazon
How to replace Intermatic clock motor
156T1961A tripper


Dial can have 12 sets ON-OFF trippers
156T1978 trippers Amazon
2T2485GA enclosure

Convert indoor timer into outdoor timer:

Buy different enclosure

2T2502GA beige plastic Outdoor box at Amazon

124T1952 Insulator
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124T2411A insulator pk 25


124T1948 single pole T101, T102, T105
124T1948 single pole T171, T172, T175
124T1948 at Amazon

Black rigid
124T2411A  rigid
At Amazon

How to take apart and repair T100 series timers

T101 Wiring: How to wire T101 and T171 series timers

Applies to T101, T101R, T101P, T101PCD82, T171, T171R, T171CR, T101R3, T101P3, T101R201, T101P201, T101M, T171M  see all models

T103 Wiring: How to wire T103 timer

Applies to T101B with separate wiring terminals

T104 Wiring: How to wire T104 timer

Applies to T103, T103R, T103P, T103M, T103PCD82, T173, T173R T173M  see all models

How to wire Intermatic T102: How to wire T102 and T172 series timers

How to wire Intermatic T105: How to wire T105 timer

Nema 1 indoor enclosure/ 
To convert to 208-277V operation, replace WG1570 clock motor with WG1573 clock motor

How to wire Intermatic T106 timer: How to wire T106 timer

Nema 3R indoor-outdoor enclosure
To convert to 120V operation, replace WG1573 clock motor with WG1570 clock motor

How to wire Intermatic pool timer: How to wire pool timers

Intermatic resources

Control centers:

Control centers: + manuals and parts

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Intermatic sprinkler timers and wiring

Intermatic sprinkler timers
How to wire Sprinkler timers + rain sensor + manuals + buying options
How to connect rain sensor when timer does not have rain terminals
How to Set & Troubleshoot Intermatic sprinkler timer/ pdf

Multi-function timers and wiring 40 amp

Multi function timers and manuals
GM40 timer  Intermatic GM40AVE    Woods 59402 timer   Tork DTU water heater timer  

T1906-5  T1975-6 heavy duty timers 20 amp

Multi function timers and manuals
Intermatic T1906 timers

ET series digital timers/ 20-30 amp/ 120-277 volt/ multi-channel (same timer controls two circuits with different programming)

ET series timers
           Intermatic ET279 timer    Et70215 timer

Timer modules/ 16 amp/ 12-240 volt

Timer modules/ 16 amp/ 12 to 240 volt
MIL72E timer    FM1-timer   MIL72A timer      CN101A timer wiring        Intermatic PB300      
Gas and electric water heaters Buy:
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