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Override bathroom heater with timer |
30
amp breaker use 10 gauge /  Buy: 10-2 gauge/ 30 amp 10-3/ 30 amp Southwire electric tools |
Yellow
12 gauge 20 amp Yellow/ #12 gauge wire for 20 amp with ground Buy: 12-2 gauge/ 20 amp 12-3/ 20 amp NMB is house wiring UF is underground Rolls of stranded wire |
White
14 gauge 15 amp White/ #14 gauge wire for 15 amp with ground Buy: 14-2 gauge/ 15 amp 14-3/ 15 amp NMB is house wiring UF is underground |
 Buy: Armored cable |
 Southwire armored cable cutter Buy: Rolls of stranded wire |
Stranded wire  Buy: Rolls of stranded wire |
50-60
amp breaker use 6 gauge /  Buy: 6-2 wire Southwire electric tools NMB is house wiring UF is underground |
40-50
amp breaker use 8 gauge / Buy: 8-2 wire Southwire electric tools NMB is house wiring UF is underground |
  Copper ground wire Use same size as other wire in circuit Buy: 12 gauge copper ground wire Ground wire Green ground wire Ground pigtails Ground rods/ ground clamps at Amazon |
 Buy End cutting nippers at Amazon |
  Buy tools: Wire strippers at Amazon Linesman pliers Utility knife at Amazon |
 Buy: Multimeter Electrical testers |
 Sticks out 1" from wall Rough-in opening 8" x 10-1/4" Overall size 9" x 12" |
Wall
heater/
forced fan blows heated air/ 120-240 Volt Hardwired/ with thermostat
Use spring-wound timers (shown below) to control wall heaters/ set thermostat high, and control heater with 15-30 minute timer. Spring wound timers work with 120V or 240V 120-240 Volt units / complete kit with thermostat and wall can/ will turn ON if temperature drops low enough Use spring-wound timer, or ordinary 20 amp wall switch 240 volt can be turned off by turning off one of the two hot wires Clean elements and unit once per year for long-term durability Installation: 3 feet clearance in front/ 12" clearance top & bottom, and 6" each side Buy: 2000 watt / 208-240 volt/ 8.3 amp / electric heater at Amazon 1000 watt / 120 volt/ 8.3 amp / electric heater at Amazon 240V 58T2 CCT2W 17 amp double pole replacement thermostat + knob 120V 58T1 CCT1W 17 amp single pole replacement thermostat + knob Resource Cadet wall heater specification sheet Cadet wall heater installation Cadet wall heater safety tips/ pdf side Match watt load with wire and breaker Wiring: Override wall heater with timer |
 Intermatic FD  Replacement knob |
Intermatic
FD series/ replaces
single-pole or double-pole switch
Models: 15 minute to 12 hours 1 HP 125V / 2HP 250V SPST & & SPDT & DPST models Hold and no-hold models Two DPDT timers can be used as 3-way timer Inductive: 20 Amp 125 VAC 50/60 Hz; 10 Amp 250 VAC 50/60 Hz; 10 Amp 277 VAC 50/60 Hz Tungsten: 7 Amp 125 VAC Buy: Intermatic FD timer at Amazon Resources Sell sheet with models and wiring Sell sheet with models and wiring for motor applications and 3-phase and Off delay |
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Override 240 volt wall heater with timer or switch Cadet heater uses 8.3 amps Suggest using 20 amp breaker and 12 gauge wire Use timer or switch that is rated for at least 15 amps. Mechanical spring-wound timer or on-off switch is best recommendation DO NOT BYPASS THERMOSTAT ON CADET Cadet thermostat has overheat protection to prevent run-away heating 240 volt circuit can be turned on-off one one wire. Illustration shows SPST FD series Intermatic spring-wound timer Rated for 10 amps @ 250 volt and for spas and heaters and fans Buy: Intermatic FD timer at Amazon Resources Compare countdown timer |
 Wiring for Spring-wound timerSuggest spring-wound timer for simple wiring. No neutral wire needed, works with 120V or 240V Use same wiring diagram for either 120V or 240V volt. If wiring for 120V, then the Black wire is Hot and there will be no red wire Buy: Intermatic FD timer 17 amp double pole replacement thermostat + knob 17 amp single pole replacement thermostat + knob Cadet thermostat Resources Compare countdown timer horsepower ratings |
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 Wiring for electronic countdown timer Battery-operated: No neutral wire needed. Works with 120V or 240V. Use same wiring diagram for either 120V or 240V volt. Buy: Ei400 timer CR2 replacement battery Resources Compare all countdown timers Ei400 manual |
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Humidistat switches Control and/or measure humidity Use switch to automatically turn on vent fan Use switch to turn on wall heater Use same wiring as shown with spring-wound timer Buy: Humidistats at Amazon Resources DH55 instruction manual |
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Basic household wiring |
 MultimeterTest for breaks in wire/ Test for voltageMost appliance require 80% rated voltage to function correctly Buy Multimeters at Amazon Electric testers at Amazon Resource: How to test and replace element How to test thermocouple Element tests for 120 volts How to test wire |
Safety
when testing wires: Never touch wet or previously flooded appliance. Never stand on wet surface when working on electric. Never stand on bare soil, put down dry boards. Tape tester leads to wood sticks to keep hands away from power. Use non-contact voltage tester before touching wires. Never touch or lean into any made of metal. Remove metal objects from pockets. Do not use oxygen or fuel accelerants in same room as electrical repairs Resource: Basic house wiring |
 Non-contact voltage testerTest for power without touching connectorsNEVER assume power is OFF Buy: Non-contact voltage tester Amazon Electric testers at Amazon Resource: How to test electric power is off |
Twist-on wire connector assortmentsDo not reuse old connectorsBuy: Connector assortment at Amazon Connector assortment at Amazon Resource How to select and install twist-on wire connectors |
Weatherproof wire connectorConnector cavity is full of siliconeBuilt-in cover keeps silicone in place Protect from water, dust etc Buy from my affiliate links Weatherproof size 14 to 6 Amazon Weatherproof size 22 to 8 Amazon Resource How to select and install connectors |
Wrench to apply wire connectors Tighten connector Buy: Wire connector blaster Twist connector wrenches at Amazon Resources: How to twist wire How to select and install twist-on wire connectors |
 Buy: Blue for 16-14 wire Yellow for 12-10 wire Resource: How to install terminals |
 TerminalsBuy:Terminal kit Blue for 16-14 wire Yellow for 12-10 wire |
Push-on wire connectors in place of twist-on connectorsBuy:Push on wire connectors Amazon Red 3P connector for 10-14 gauge wire Lever connectors for stranded wire at Amazon |
Buy End cutting nippers at Amazon |
Buy tools: Wire strippers at Amazon Linesman pliers Utility knife at Amazon End cutting nippers at Amazon |
 Use solid copper wire Fire inside timer caused by stranded wire Keep enclosure door closed at all times Buy: soldering guns Resource Timer caught fire |
 How to wire contactors/ relays |
 How to wire inline fuseholder |
 How to wire delay timers How to wire twin timers |
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Buy
Tools DEWALT Black and Decker Stanley SKIL Makita Porter-Cable Bosch Irwin Hand tools Klein hand tools Fluke electrical testing Dremel hobby tools Campbell Hausfeld air powered Tekton automotive Powerbuilt automotive Saws and saw blades |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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Recirculation systems |
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