Why sensor electronics are easily damaged from the thunderstorms?
compiler
12 years ago
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wayne440
12 years agobrickeyee
12 years agoRelated Discussions
Broan vent fan - humdity sensor/motion sensor
Comments (24)Spanky67- I saw the same Finehomebuilding article. I couldn't find the switch they mentioned in the article locally so I went with the motion detector version. I might upgrade to the toggle switch someday if I ever get around to ordering it online ($30?), but for now the fan works great and I don't have to remember to go down and see if someone left it on which was my main pet peeve. It does go on every time someone enters the room, which can be a pain if you are just replacing towels or to empty trashcan. The toggle like yours (wired just to fan) would allow me to leave the switch off, change out the towels, trash and no fan running for extra time. Teaching the kids to turn on both switches is a little trickier (one for fan, one for lights) turn both off (fan still runs) turn on only lights (no fan continues to run). I know I could wire both fan and light onto one switch and use a blank over the other faceplate but then I am back to the same problem of the fan running too long if I only needed to drop off some TP, soap, etc. This is a ½ bath so no moisture to worry about. In the meantime this works out 90% of the time just the way I need it to. When we redo the kids & master bath upstairs I will start this mental dance of the electric switch plates/ fan/ vent/ moisture/ odor/ how many buttons to turn on/ off and not think about it again Âall over again. LOL Our fan is a Nutone 1.0 sones much quieter then any of the older bath vents we have upstairs which you can hear running from across the hall when the door is closed. The 1.0 is a very soft white noise you hear while in the room but cannot hear it running at all from out side the room when door is closed and can barely hear it outside the room when door is open unless standing close to doorway. I hope this helps. I know how hard it is to get an idea about these things until they are already installed and itÂs too late. I donÂt think you can go wrong with a fan 1.0 or less but definitely not more than 1.0 you wonÂt be happy....See MoreWill excess temp damage the induction cooktop
Comments (28)Heating aluminum foil in an induction field occurs because the foil has electrical conductivity, and the alternating induction field induces a current in it. The more difficult question is why the sensor that is supposed to be present would "detect" that an proper pan was above it when only foil was above it. Aluminum is slightly diamagnetic, but this shouldn't be sensed by a magnet. If the unit detected the foil another way, such as from a reaction field, then it is not designed well, because there are good reasons for not allowing aluminum pans to be heated. However, if a proper pan is present, and someone puts it on aluminum foil, or allows aluminum foil to nestle up next to the pan, then the fault lies with the cook. kas This post was edited by kaseki on Tue, Oct 22, 13 at 11:08...See MoreAlways on electronics?
Comments (16)I agree that we should do everything in our power to reduce energy consumption, but while some seem to be fixated on the milliwatt power consumption of a light emiting diode, they seem to have forgotten that the electronics industry selected light emiting diodes 30 years ago to phase out the 10 and 15 watt incandescent pilot lamps. In fact, in regards to light emitting diodes, quite often a light emiting diode is used in place of a common diode in a rectifier or wheatstone bridge comparator circuit and the end result is there is NO appreciable power consumption because the circuit would have required a non-light emiting diode anyway. If peope were really intent on reducing global energy perhaps they should reconsider whether or not they really need 3000 or 4000 sq.ft homes for a family of 4. Do we need a snowblower to clean a 20ft sidewalk? Do we need a 7 passenger SUV to transport one person? How many mega watts of energy are consumed daily to idly chit chat on cell phones? Before I built this home it took me more than 6 years to work out all the design details with the overall emphasis on reducing energy consumption. In the first three years after it was finished my local power company changed meters 4 times, inspected my meter enclosure and service entrance equipment numerous times and even installed a computerized demand recorder. When I asked why their comment was, "Your electrical utility consumption is 40% less than a comparably sized home in this locality and we are wondering why. After spending about three months discussing my design features with thier engineering staff I now have the distinction of being a "Good Sense Energy Test Prototype Facility". Although I did custom design and build my HVAC enviromental system, and made some rather dramatic changes in the architecture and construction of the home, everything I did was with common off the shelf components that are available anywhere. IN fact, some of the most effective energy saving features would go totally unnoticed to anyone walking through the house....See Moregarage door sensors
Comments (6)Well, quite a pickle to be in, for both parties. The law will vary from state to state as to what the requirements are for reconnecting an existing garage door opener upon installing a new garage door. In California, we are required to test the safety reverse prior to reconnecting an existing lift. The majority of older machines still in operation are equipped with some sort of safety reverse. Older Overhead Door Company brand machines are notorious for ruining many a garage door. And in some units, the force settings are maxed out beyond the machines ability to reverse properly when obstructed. I know for a fact our technicians test this feature, because we "red tag" and cut the power cord on about 2 machines a year (which can also cause much tension with the homeowner - understandably). As a licensed contractor, we are bound by the law. With that being said, who's at fault here is still open to interpretation. Your 3 year old Craftsman would without a doubt be equipped with this safety reverse feature. You said your door was replaced recently, but people's idea of "recently" can vary - a lot - ha ha. A good installer should have tested the safety reverse while on site (regardless of state law). The owner's manual to the craftsman machine should state something to the effect that "Seasonal weather changes could require force/sensitivity adjustments." In colder weather a machine will require more pressure to get it to close normally, and less pressure when it is warmer. However, it should still reverse. Is some circumstances, if the obstruction (car tire, garbage can, container) is far off to one side, it can cause the door to come off the track and damage the top section, which would not be considered a standard obstruction. The reverse feature is made to save your life, not the car bumper or your garage door. Was the company that installed your door licensed? If not, you still have recourse through your state licensing board. I assume at this point that you've already contacted the company, I will be interested to hear what happened and what matter of resolution has taken place....See Morecompiler
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