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Open, Off, Closed, On?

Jet Blast Topics that don't fit the other forums. Rules of Engagement apply.

Open, Off, Closed, On?

Old 24th Mar 2014, 00:04
  #41 (permalink)  
 
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And then there's the UK three phase wiring colours, where blue used to be L3 but is now N, and black used to be N and is now L2. And if an extension was installed, you could have a mixture of the two schemes (labelled of course). Nice 'n' safe....

Or you might have three browns and a blue, just to confuse the issue.
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Old 24th Mar 2014, 00:28
  #42 (permalink)  
 
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And on domestic mains "up" was "off" but on high current devices "up" was "on". Quite simple
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Old 24th Mar 2014, 01:10
  #43 (permalink)  
 
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Experience has taught me that nothing is so unlikely to happen that the users "will never do that".
Murphy is always with us.

Last edited by ExSp33db1rd; 24th Mar 2014 at 03:23. Reason: Spelling !
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Old 24th Mar 2014, 02:57
  #44 (permalink)  
 
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Smile Off/on

Old fashioned aeroplanes that used petrol in their engines had "Ignition switches".When they are OFF they are actually ON and when ON are actually OFF.The instructor at St Athans was tearing his hair out trying to explain this to a bunch of boy entrant elects!!!
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Old 24th Mar 2014, 03:26
  #45 (permalink)  
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And then there's the UK three phase wiring colours, where blue used to be L3 but is now N, and black used to be N and is now L2. And if an extension was installed, you could have a mixture of the two schemes (labelled of course). Nice 'n' safe

I deal with equipment manufactured/assembled from every country on this earth. There are multitudes of color codes (ok, colours or was it tires/tyres)


There is absolutely one thing I can tell you for sure is I have never found an electron that knew what color the insulation was on the conductor.


VFD
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Old 24th Mar 2014, 20:21
  #46 (permalink)  

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Ahhhh - Lucas! When in the US of A I was told the best thing to come from Britain was MG cars, while the worst was Lucas Electrics.
One recalls an American biker one once knew remarking that the reason we (the Brits) like warm beer was beacuse Joe Lucas made the fridges!
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Old 24th Mar 2014, 20:44
  #47 (permalink)  

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Spammies always annoy me with their up for on switches.
So then you think when the landing gear lever is in the up postion, the gear should be down and when down, up.


Just on a side note; I used to fly a DC-3 that flap indication had been relocated and was vertical. However, when the indicator was at the top, the flaps were full down and when at the bottom, up.

Yes, it bit me in the butt once on takeoff with a green co-pilot. Must say we didn't use much runway until it wanted to fly.


Oh, by the way. I've traveled all over the world and around the world, lived in England as a kid for six years and I've never encountered a light switch where down is on. Never. Well except in very primitive and backward nations.

Last edited by con-pilot; 24th Mar 2014 at 21:08.
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Old 24th Mar 2014, 21:39
  #48 (permalink)  
 
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Ah! Joe Lucas. Known to generations of Brit car drivers and motorcyclists as 'The Prince of Darkness'.
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Old 24th Mar 2014, 21:54
  #49 (permalink)  
 
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So then you think when the landing gear lever is in the up postion
Landing gear lever? What is this landing gear lever you speak of?

I've never encountered a light switch where down is on.
To turn the dark on you put them 'up'. Any fule kno that.
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Old 24th Mar 2014, 21:58
  #50 (permalink)  

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Landing gear lever? What is this landing gear lever you speak of?
De thingy wot puts de wheels down.

To turn the dark on you put them 'up'. Any fule kno that.
No, that would be to turn de dark off.

Funny, never the less.
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Old 24th Mar 2014, 21:58
  #51 (permalink)  
 
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Oh, by the way. I've traveled all over the world and around the world, lived in England as a kid for six years and I've never encountered a light switch where down is on. Never. Well except in very primitive and backward nations.
Lived in England until age 48.

Never saw a switch where On was UP - until my first visit to the USA.

When a child, most house switches protruded from the wall, not inserted, were round, brown, made of Bakelite (plastic hadn't been invented) and the little peg went down for ON.

N'est ce pas ?

Well except in very primitive and backward nations.
Well, maybe you're trying to make a point ? !!
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Old 24th Mar 2014, 23:20
  #52 (permalink)  
 
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Originally Posted by ExSp33db1rd
When a child, most house switches protruded from the wall, not inserted, were round, brown, made of Bakelite (plastic hadn't been invented) and the little peg went down for ON.
Were they not tumbler switches? In which case you push the peg down, but the switch goes up!
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Old 24th Mar 2014, 23:28
  #53 (permalink)  

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Lived in England until age 48.

Never saw a switch where On was UP
Well, with me being a youngester, must have been moderized by the time I got there in 1956.

I'll take your word for it, as I was so young and it was a long time ago. Plus, up until the last year and a half we were there, we lived off base. But my mother put her foot down and we moved on base, Woodbridge/Bentwaters RAF/USAF Base. I know the light switches were up for 'on' there.

But, in all the countries I have flown to, I cannot remember any up for 'off' switches.

In the 727s I flew, some had the landing switches up for on and some for off. It was a pain in the arse remembering which was which.

Now, in Austrialia and New Zealand, are the light switches up for off? Sadly have not been to those countries, yet. Still planning on going someday.
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Old 25th Mar 2014, 00:12
  #54 (permalink)  
 
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Now, in Austrialia and New Zealand, are the light switches up for off?
Yes, except in installations where two or more switches control the one circuit as for example in a hallway or stairway.
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Old 25th Mar 2014, 00:37
  #55 (permalink)  

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Thank you, I'll try to remember that when we come down there.
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Old 25th Mar 2014, 21:09
  #56 (permalink)  
 
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Cool

This all sounds like the rules of Cricket!

The rules of Cricket Explained to a foreinger (Funny)
Cricket: As explained to a foreigner...


You have two sides, one out in the field and one in. Each man that's in the side that's in goes out, and when he's out he comes in and the next man goes in until he's out. When they are all out, the side that's out comes in and the side that's been in goes out and tries to get those coming in, out. Sometimes you get men still in and not out.
When a man goes out to go in, the men who are out try to get him out, and when he is out he goes in and the next man in goes out and goes in. There are two men called umpires who stay out all the time and they decide when the men who are in are out. When both sides have been in and all the men have been out, and both sides have been out twice after all the men have been in, including those who are not out, that is the end of the game

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Old 25th Mar 2014, 23:06
  #57 (permalink)  
 
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.........but the switch goes up!
but we couldn't see it, so didn't worry about it !

........and New Zealand, are the light switches up for off?
The few that go up and down are down for ON, but all the ones I normally see now are little 'rocker' buttons, and yes, one presses the bottom of the button in for ON . Same logic I guess.

In the 727s I flew, some had the landing switches up for on and some for off.
BOAC bought Boeing 707's new from Boeing and specified the movement of the switches up or down for ON, ( can't remember which way now, but I think down for ON ! ) then later bought some second hand ones from a USA operator, and had to remove all the switches and turn them around ( or replace them ? ) to conform with their original aircraft fleet that we were all used to, so that all the aircraft were the same.

Not light switches, but a NZ operator had 3 aircraft, two had the fuel selectors in the order Left/Right/OFF. The 3rd had them in the order Left/OFF/Right. Many died in the eventual, almost inevitable, crash of the 3rd aircraft one dark night. The Coroner said "can't pilots read ?" How many times do you get into your wife's car and turn on the windscreen wipers at the first road junction - instead of the indicators? Can't you read ?

Last edited by ExSp33db1rd; 25th Mar 2014 at 23:22.
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Old 25th Mar 2014, 23:15
  #58 (permalink)  

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Its current and has been for a very long time.
Not in the hotels I stay in.
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Old 25th Mar 2014, 23:47
  #59 (permalink)  
 
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A "must-read" for all the participants in this thread :
Donald A. Norman - The Design of Everyday Things.

(My copy dates from 1998, so maybe not too easy to find, but worth the effort!)
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Old 26th Mar 2014, 00:02
  #60 (permalink)  
 
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Someone once told me that the scans on old TV sets had to be reversed if they were to be used in Australia other wise the picture would be upside down and reversed left to right.
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