Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [timer]

154 questions
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Would this be the correct way to add a timer switch to an existing fan with thermostat?

We have an existing 120V AC exhaust fan wired to simple inline attic fan style thermostat. We would like to add a timer switch so the fan could be manually turned on as needed. Would this be the correct way to add a timer switch? This is the sort…
Marc M.
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Why can't some light bulbs be used with timers?

I've seen the answer to questions asking why some bulbs can't be used with dimmers [1][2], and that makes sense, but why can't some light bulbs be used with timers? Aren't most timers equivalent to an on/off switch, or do they somehow leak current…
j08691
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Using a countdown timer to control a 40A 240V contactor

It seems there are a couple ways to do this, but I haven't seen the exact solution I'm looking at so I wanted to check with the community on this. I have a 4KW patio heater I'd like to control with a countdown to avoid leaving it on for days. An out…
ABethea
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Is tungsten wattage different from regular wattage?

I bought a new in-wall timer rated 20 Amps. and it says '1350 w Tungsten', so I'm wondering if there are watts which are measured different then other watts? In my calculation it should be 20 x 120 = 2400.
aofkj
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Need help with wiring

I think I burned out one digital time switch and don't want to damage the replacement I bought. Can someone take a look at the diagram I drew and complete the wiring? The wiring diagram that came with the 'Woods in wall digital timer, model…
Gerard
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Timer needed on bathroom vent fan?

Does the International Building Code (IBC), or International Residential Code (IRC) require a timer on bathroom vent fans? (I realize all code is local, but just trying to get the standard rule.)
bib
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How did this ceiling exhaust fan get stuck on (and why did disconnecting this wire fix it)?

I'm in the USA. One day, the ceiling fan in a room kept going and didn't turn off when the timer switch that controls is turned off. Pressing the off button on the switch didn't turn off the fan. I presumed the switch had failed, so I went and…
cocomac
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How to disable this timer?

Is there a way to completely turn off this timer?
Yuriy Zubarev
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Simple 3-way countdown timer switch

I've reached the end of my rope with family members who won't turn off lights. I'd like to replace several light switches in my house with switches that just turn the lights off after 30 or 60 minutes. Here's the thing though: Some of my circuits…
Michael McDaniel
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Install Honeywell RPLS740B with three-way switches (disable three-way?)

I would like to add a Honeywell RPLS740B to a circuit with two three-way switches to control four outside lights. I realize the RPLS740B is not compatible with a three-way circuit, but my question is if it is possible to wire it such that three-way…
ph0t0n
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Can I use a timer switch with a humidity-sensing exhaust fan?

I've got a contractor doing a home remodel in California. Code requires humidity sensors on bathroom exhaust fans, and in any case automatic on/off due to humidity is a feature I'd like. Considering something like the Panasonic WhisperFit…
Dan Smith
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Dryer Timer won't advance

I have an Admiral ADG7005AWW dryer. The timer dial has stopped advancing, so the dryer just stays on indefinitely. I'm trying to determine the problem. This troubleshooting guide says it could either be the timer motor or the cycling thermostat. …
rothloup
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120 volt timer passes small amount of current when off

120 volt timer passes small amount of current when off. It's on Christmas outdoor LED lighting. The lights glow real dim when the timer goes to the off position. Does it on two different timers. Do I have a short in the lights or what might…
Mark Carle
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How to switch 40A timer used for outdoor lighting and direct 120V outdoor lighting

I am redoing my outdoor lighting and need to move 3 wall switches used for outdoor 120V lighting to a different place within the house. The issue is that the inground wire is 10/2 UF but the inside wires going to the wall switches and a timer is…
Michael
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Replacing Bath Fan Switch with Timer Switch

I want to install a timer switch (it has four wires, red (load), black (hot), white (common), green (ground) to replace one switch in a 2-gang switch box having five incoming cables (see first photo). One switch controls the fan (want to replace…
Peter B
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