Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [timer]

172 questions
9
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2 answers

Why are my new switches operating in reverse?

I was replacing three old switches with two new switches a timer. The prior owner's install was as follows: White wires all bundled One black wire (hot) running across all three switches The switches control two lights and a fan. From left to…
josephorapronobis
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6
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4 answers

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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5
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1 answer

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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5
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1 answer

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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4
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2 answers

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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4
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4 answers

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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4
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2 answers

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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4
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2 answers

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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1 answer

How to disable this timer?

Is there a way to completely turn off this timer?
Yuriy Zubarev
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4
votes
2 answers

Is it safe to unplug my electric water heater daily to save energy?

Could you please help me answer the following questions? 1) Will unplugging my water heater from the socket when not in use damage it? 2) Which energy-saving timer will work with my water heater? Below are details of my water heater. Company:…
TechEnthusiast
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3
votes
3 answers

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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3
votes
2 answers

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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3
votes
2 answers

Are sprinkler valves sensitive to orientation?

Not sure if this is a dumb question but ... inline sprinkler / irrigation valves, the sort turned on and off by low voltage signals from a controller, are typically installed in boxes in the ground, in pipes running horizontally, with the valve top…
user1207313
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3
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3 answers

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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3
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2 answers

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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