main switch off up or down

I do think that there might be research on it, in the context of the design of cockpits or control boards for plants. Personally, and there's nothing to support this but my opinion, I prefer off to be down, on to be up. etc. You can also turn onto a highway, then “ turn off” the highway and onto a side road by exiting. Once, I ran into a switch that was mounted with normal = up. That was the best place for it. Very often these light switches are set up so that down on one light means "on" while it means "off" on another light in the same house; this is especially common when two switches affect the same light, so you can't depend on the physical direction. Connect and share knowledge within a single location that is structured and easy to search. How about a pushbutton that is on when you press it, and when you press it again turns off? Up or down or sideways differs by region. Nothing worse than fumbling blind around the rear of a unit only to accidentally power it off. So...? And there's no psychological reason for a preferred direction. For that case, I get the feeling that it depend on use, but that there isn't a very strong preference either way. This is the third of a series of articles about the Phoenix Contact PLCnext Starterkit. Now we have "fidget cubes" with buttons and switched on them that do nothing. If it is most likely to be on, then it should be installed in a manner where the mass of the toggle would likely keep it in the on position. It's perhaps worth noting that while it may appear that horizontally-mounted switches shown in Ben's response follow reading direction, they don't seem to: (Images acquired from http://sketchup.google.com/3dwarehouse/details?mid=a34d66a99817b368978efdfd2ccd8bdb and http://www.iphone-tips-and-advice.com/languages-on-iphone.html ). In this blog post, you’ll learn about the mindset that helped me getting a PLC programming job with NO experience. But what's avout stuff that's supposed to be on? If the power works and the main trip switch does not switch off, try switching off your power again and repeat the process, adding ONE switch at a time. That’s it for this article! Is it better to mirror a real-world system for specialized users? We are starting to get into a bit more detail about the inner workings of the control panel now, and thanks for staying with us so far! Definition of switch them off in the Idioms Dictionary. @ChrisF Yes, but then you still have to choose which is the on direction. Up for on in the US, and down for off. The main shutoff valve controlling your home's natural gas supply may come into play during major construction or renovation involving gas lines or when closing up or shuttering a home, to prevent possible flood damage. To disable, disconnect, or stop the function of something, with or as with a power switch. When the eyelid closes, we can't see, meaning the switch is off. Is there any difference between switcher and tabs when you have only two options? The main switch can be cut off by a human or a computerized system to control the flow of power in the building. There is just a strong association between things that are up, going, running, working, living, moving, vital and so on. Or for most switches, for that matter. He switched the TV off. We’ve already covered some of the important aspects of a control panel, but some might say that what we’re going to cover today is the most important of all. These power supplies transform the AC signal into a DC voltage output, 24 volts one case, and 12 volts on the other. Some other lamps have a switch which passes through the actual neck of the lamp, so you can put two fingers either side and just push in the appropriate direction. Usability wise, you need to look at the scenario it is being used. Generally I would recommend Up and Right as 'on' but as I've already said, if the switch isn't labeled, any direction has the potential for frustration. In some cases the window may not work from its own switch, but the master switch can still put the window up or down. Example: in daily life, I use IKEA standing lamps which use the European up=live, down=neutral (and are gently annoying for this reason) and audio equipment which uses horizontally mounted switches. in |/ this direction using hand or any other thing. Learn more about the purpose of the Main Switch below. Reading is in many cultures a top to bottom motion. They switch left to turn on, right to turn off, which makes sense to me, but only because the switch is left of the door (when facing the switch). "O" means that something is open, therefore things can pass through it, therefore "O" means on. I think it is more clear for gauge switches, though, where turning right is for on, and left for off. Why has my fuse box tripped? 4. This metaphor works for electric switches, light switches and (modern) fuses. I don't consider French sockets to always follow the up=live, down=neutral paradigm; I think this depends to an extent on the electrician and of course whether they're to control an XOR circuit. @msanford While it does look a little strange seeing the Arabic text left-aligned, this makes sense from an international point of view. Just like what you've described, these toggle switches stay in the middle neutral position, then you push it up or down to make momentary contact to turn the light on/off. It just needs to be very clear what state the machine is and that this button will toggle the state. If you transmute Ennervation to another element, do you still benefit from the healing? If there's no gravity, then on is outward, off is inward (because if it's stuck pressed, it's often better to be off). (Safety wise). Do Potatoes Produce Seeds That You Can Store and/or Replant? The light is mounted on the ceiling in the middle of the room, with the wiring going through the ceiling to the wall mounted switch right outside the kitchen. Why has the auto-router put my PCB traces on two different layers? +1 for giving links to the refs written in blood, sweat and tears! Therefor, if I had only intuition to guess which way is ON, I would guess it's UP. To conclude - be careful relying only on direction. The power switch is a rocker switch and it has two symbols on the face: “O” and “—“. Split 1 through 6 into a product of 24 and sum of 12. This means that, for power sockets, a visible red indicator on the top-facing side of the socket's switch shows the socket is live at all times. Sections of this page. Every single time I do this, it feels backwards to me. Reasons for Shutting Off the Gas . The other side of the switch connects to the distribution unit. Main Switch RSA. I really hate it when people twist the bread tie the wrong way. If your switch doesn't have that nice visual affordance you'll need to make your own affordance. If you want to get in contact with them, you can check out their website at pro-control.nl. The Main Switch is the one part of a control panel which has a large impact on progressing a project, and applies or disconnects the power of the control panel. Otherwise you need to check it by trial and error. This is all very abstract, but its through these experiences that we have (hopefully) universal associations. @JohnGB, that's expected of course, since south of the equator, up is down. What is the basic difference between a researcher in a corporation, and a university? I forgot to switch off my laptop, and now the battery is dead. Not 100% sure, forgot to mention that. I base the direction purely on common experience, but most physical and digital switches seem to prefer right for on: Why can't you trust one direction? Since we are using 1 phase of our 3 phase supply, our input to these two power supplies is around 230 Volt AC. That, and perhaps colour the switch as red when off and green/blue when on. – The input to power supplies can be 100-240 Volt AC. If it is off most of it's life, then the mass of the toggle should keep it in the off position. To make or undergo a shift or an exchange: The office has switched to shorter summer hours. Although those colour codes aren't universally used they're arguably instantly recognisable given widespread use. From that moment, your PV system will stop delivering energy to the grid. :-). As some examples: when water flows, it flows down. If you do a quick image search on your favorite search engine on "light switch" you get a large number of images. In countries prone to earthquakes, such as Japan, most switches are positioned sideways to prevent the switch from inadvertently being turned on or off by falling objects. Perhaps this is rooted in the experience of our daily physical lives; lower things are closer to the ground and have little or nowhere to move. And if you actually read my whole reply, you've earned a cookie! You found power sockets with switches in France? Make sure you turn off all the main power switches at your switchboard. – The 3 phase power that goes into terminal block can be used to power the devices that work with 3 phase power. Likewise we have a mis-mounted light switch that controls an entire circuit in my childhood home. Also small children might not be able to switch upwards which is usually the prefered situation. When we put the main switch in the 0  position, it indicates that the isolator is in the OFF position; and it will disconnect the power flow to the control panel.

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