The Electrical Contractor Network

ECN Electrical Forum
Discussion Forums for Electricians, Inspectors and Related Professionals

Books, Tools and Test Equipment for Electrical and Construction Trades

Register Now!

Register Now!

We want your input!

Featured:
   

2017 NEC and Related
2017 NEC
Now Available!

   
Recent Posts
Industrail Control Panel bonding per 409.108
by sparkyinak
Yesterday at 03:17 PM
Calling all Non-US members!! (Non-US only)
by aussie240
12/07/16 02:39 AM
Photo Upload Tutorial
by DanK
12/06/16 11:35 PM
Sprinklered equipment 26-008
by bigpapa
12/02/16 04:24 PM
On Delay Relay with Auto Reset
by Potseal
12/01/16 09:59 AM
New in the Gallery:
12.5A through 0.75mm˛ flex (just out of curiosity)
Shout Box

Top Posters (30 Days)
gfretwell 13
HotLine1 9
Texas_Ranger 8
sparkyinak 8
Trumpy 6
Who's Online
0 registered (), 192 Guests and 6 Spiders online.
Key: Admin, Global Mod, Mod
Page 1 of 2 1 2 >
Topic Options
Rate This Topic
#64278 - 04/03/06 06:49 PM Off is on, On is off, I think?
HCE727 Offline
Member

Registered: 11/11/05
Posts: 190
Loc: Delaware County, PA, USA
I looked at a job the other day where a single pole switch controlled a light. When the switch was in the down position, it said on, but the light did not work. With the switch in the up position, it said off, but the light worked. How is that possible? Does anyone want to take a stab at it?
_________________________
Hank

Top
Work Gear for Electricians and the Trades

Work Gear for Electricians and the Trades
Work Gear for Electricians and the Trades
Arc Flash Clothing, Gloves, KneePads, Tool Belts, Pouches, Tool Carriers, etc. etc....

#64279 - 04/03/06 06:56 PM Re: Off is on, On is off, I think?
ShockMe77 Offline
Member

Registered: 06/11/05
Posts: 823
Loc: Rahway, New Jersey
If the switch is upside down, in the on position it would say no. And in the off position it'd say ffo. I suggest installing a new switch and install it the correct way. That's what I would do.

Top
#64280 - 04/03/06 07:01 PM Re: Off is on, On is off, I think?
HCE727 Offline
Member

Registered: 11/11/05
Posts: 190
Loc: Delaware County, PA, USA
That's funny!
_________________________
Hank

Top
#64281 - 04/03/06 07:28 PM Re: Off is on, On is off, I think?
JoeTestingEngr Offline
Member

Registered: 11/04/05
Posts: 786
Loc: Chicago, Il.
That sounds like it might have been part of a photocell (or other) controlled lighting contactor circuit. I can think of numerous scenarios. I have a nasty habit of taking markers to unlabelled switches, disconnects, Et,c.
Joe

Top
#64282 - 04/03/06 09:44 PM Re: Off is on, On is off, I think?
wa2ise Offline
Member

Registered: 11/29/02
Posts: 771
Loc: Oradell NJ USA
Mercury switch installed upsidedown?

Top
#64283 - 04/03/06 11:41 PM Re: Off is on, On is off, I think?
Alan Belson Offline
Member

Registered: 03/23/05
Posts: 1801
Loc: Mayenne N. France
2 way switch miss-wired as single way?

edit, [I just woke up, no coffee yet!]
Alan

[This message has been edited by Alan Belson (edited 04-04-2006).]
_________________________
Wood work but can't!

Top
#64284 - 04/04/06 05:35 AM Re: Off is on, On is off, I think?
pauluk Offline
Member

Registered: 08/11/01
Posts: 7693
Loc: Norfolk, England
 Quote:
2 way switch miss-wired as single way?


American 2-way switches (3-way in U.S. terminology) have unlabeled toggles though.

Only simple 1-way switches have "On" and "Off" marked on the toggle.

Top
#64285 - 04/04/06 06:35 AM Re: Off is on, On is off, I think?
Larry Fine Offline
Member

Registered: 02/18/05
Posts: 684
Loc: Richmond, VA
I'd have to agree with Mr. Wise: upside-down mercury quiet switch.
_________________________
Larry Fine
Fine Electric Co.
fineelectricco.com

Top
#64286 - 04/04/06 08:26 AM Re: Off is on, On is off, I think?
NJwirenut Offline
Member

Registered: 09/15/01
Posts: 816
Loc: Bergen County, NJ
Could just have been a bad day at the switch manufacturer, and the toggle was installed upside-down...

Top
#64287 - 04/04/06 12:48 PM Re: Off is on, On is off, I think?
HCE727 Offline
Member

Registered: 11/11/05
Posts: 190
Loc: Delaware County, PA, USA
NJW, you got it right. I went back to do the job that I looked at and had to replace that switch, that's what it was. I should have kept that switch.
_________________________
Hank

Top
Page 1 of 2 1 2 >



ECN Electrical Forums - sponsored by Electrical Contractor Network - Electrical and Code Related Discussion for Electrical Contractors, Electricians, Inspectors, Instructors, Engineers and other related Professionals