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Recent Posts
Looking for a unique adjustment nut
by sparkyinak
02/09/12 02:16 AM
A taper or B taper, which is it?
by JoeTestingEngr
02/09/12 12:39 AM
GE low-voltage remote control relay system
by Albert
02/08/12 10:26 PM
Electrical systems in mobile structures.
by gfretwell
02/08/12 09:21 PM
Conduit Bending Apps for iPhone -Master Bender
by KJay
02/08/12 08:31 PM
New in the Gallery:
A What's right here??
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gfretwell 72
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General Discussion Area
Thread >> Re: Looking for a unique adjustment nut by sparkyinak @ Today at 02:16 AM

Well, after running out of time and despite some great suggestions, I was not able to find a ready made nut so I broke down and made some. Besides here, I hit up my engineering co-workers and couldn't come up with something. Finally on the last day a
Electrical Theory and Applications
Thread >> Re: A taper or B taper, which is it? by JoeTestingEngr @ Today at 12:39 AM

Scott, Now if he had only come up with the Excel spreadsheet so that we could just plug and chug! I know, I know, There's probably already an "App for That!" I have absolutely no use for that filter but it might be a fun way to try out th
General Discussion Area
Thread >> Re: GE low-voltage remote control relay system by Albert @ Yesterday at 10:26 PM

Right now I'm working on a little project to run the GE relays off a PLC. It implements a few simple functions, like allowing the use maintained-contact switches (including photocontrols) or single pushbuttons in place of the system's standard doubl
General Discussion Area
Thread >> Re: Electrical systems in mobile structures. by gfretwell @ Yesterday at 09:21 PM

I think you need to go back to the definition of "mobile Home". Quote:Mobile Home. A factory-assembled structure or structures transportable in one or more sections that are built on a permanent chassis and designed to be used as a dwellin
General Discussion Area
Thread >> Re: Conduit Bending Apps for iPhone -Master Bender by KJay @ Yesterday at 08:31 PM

It looks very interesting, but I’m not sure if other than maybe when using stationary equipment and doing multi-shot bends, that I could see anyone having the actual need or time to use an app for most routine hand bending and offsets we do in the fi
General Discussion Area
Thread >> Re: Install manual pull fire alarm system by JoeTestingEngr @ Yesterday at 06:42 PM

I'm used to seeing a requirement for 2, AC feeds or battery backup sufficient to power the system for 24 hours in trouble and then 5 minutes in alarm. Many panels have 2, 12V, 7-1/2 AHr VRLA batteries in the bottom. Joe
Canadian Electrical Code Topics
Jump to new posts Thread >> Re: Home Owners by dougwells @ Yesterday at 04:21 PM

It sure would of been nice if in this standard they would of added the tempertures of different nmd cables made over the years
General Discussion Area
Thread >> Re: Porch by gfretwell @ Yesterday at 03:34 PM

I suppose the cost would depend on what kind of rail you are trying to match.
General Discussion Area
Thread >> Re: Balcony by HotLine1 @ Yesterday at 02:42 PM

Under circumstances where there could be a trip/safety issue, I would have no issue granting a variation for NO receptacle. Gregs solution will work, IF someone spends some $$$.
NEC & other Code issues
Thread >> Re: 250.66 and Ufer by KJay @ Yesterday at 10:35 AM

As I understand it, through the research done during the development of CEE/Ufer systems, it was determined that conductors larger than #4CU had no verifiable effect on increased ability to clear fault current, so this would seem to indicate that in
NEC & other Code issues
Thread >> Re: Short wall by gfretwell @ Yesterday at 04:48 AM

I doubt 210.52(A) would apply to the laundry room but I still agree it is silly not to have any more receptacles in there. The others do seem to be violations if you can't reach a receptacle with a 6' cord, anywhere along a wall. It was either a guy
General Discussion Area
Thread >> Re: future electricians by HotLine1 @ 02/07/12 07:19 PM

Yes, I second the well done on all counts.
General Discussion Area
Thread >> Re: Residential short lamp life? by mikesh @ 02/07/12 05:34 PM

Originally Posted By: gfretwell130v bulbs will last longer too. Yes they do and give less lumens at 120 volts which can be perfectly acceptable. Obviously confirm the voltage is stable and within spec. When all else is good then cheep bulbs are not
NEC & other Code issues
Thread >> Re: Pashchen's Law by renosteinke @ 02/06/12 08:34 PM

"The information and data within the discussions here is being correlated and intent is to forward same to those within the code adoption offices of the state." My point exactly. The subject has a duty to tell the Emperor when he has no cl
General Discussion Area
Thread >> Re: fire caulking penetrations after conduite run by twh @ 02/05/12 11:04 PM

Expanding Foam: http://fp200abesco.com/index.html Pillows: http://www.stifirestop.com/product_information/product_selector/ssb_pillows.html
Occupational Safety Discussion
Jump to new posts Thread >> Re: Working Without a Utility Knife by twh @ 02/05/12 06:45 PM

I think it has been proven that if you drive slower there are fewer accidents and they are less serious. We need to drive slower. It's pretty clear that many sports shorten your life - like boxing, football, and hockey. We lose skiers every year. Ch
Voice - Data - Video Discussion
Jump to new posts Thread >> Re: VGA ground loop isolation? by gfretwell @ 02/05/12 03:08 PM

What happens now if you remove the filters?
Photo Gallery
Thread >> Re: A What's right here?? by sparky @ 02/05/12 02:39 PM

i rarely see seals sealed here i could never figure why that is..... ~S~
General Discussion Area
Thread >> Re: T8 lamps swirling.....why? by waymag @ 02/04/12 09:14 PM

May sound funny but I have had this same thing happen and turned the lamp around and the swirl stopped.
Electrical Nostalgia
Thread >> Re: Old and odd Rope switch. by TNT_Tim @ 02/04/12 04:41 PM

I remember seeing something similiar to this type of switch just a little newer version at a feed mill with high ceilings once, one man could load a hopper with his various feeds (hay, corn, barley, oats whatever) and could go to the end of the gravi
General Discussion Area
Thread >> Re: Bath fan with light for large bath by sparkync @ 02/04/12 12:54 PM

KJay, thanks for the input on FanTech inline fans. That is the option I went with. The customer had a jecuzzi and shower next to each other, with the wall not going all the way to the ceiling. I'm deciding on putting the grill between the shower an
NEC & other Code issues
Thread >> Re: 250.32(B)(1) 2005 NEC by gfretwell @ 02/04/12 12:14 PM

We have multiple EGCs all the time. Every time you pull a green wire in a pipe you have a parallel EGC and the HCF rules even require it. As far as the code is concerned ground is ground and the more the better. If we have multiple circuits passing t
Occupational Safety Discussion
Jump to new posts Thread >> Re: IEEE article by pdh @ 02/04/12 09:33 AM

@Trumpy The idea, as I understand it, isn't specifically to protect against all possible arc situations. Instead, it is to protect against a mid-range current fault that is not high enough to cause an instantaneous magnetic trip, but still needs to
Business Related Discussion
Thread >> Re: Auto cad and electrical design by Scott35 @ 02/04/12 12:31 AM

Maybe I can help via E-mail or P.M. -- Scott
General Discussion Area
Thread >> Re: 1000 amp gfci breaker by TNT_Tim @ 02/03/12 06:47 PM

I'll start with this is a GE High Pressure Contact Ground Fault Protected Switch, that's how GE refers to it. As was explained to me from GE the trip setting is a variable number , really shouldnt go over 1000 milliamps but can be as low as 100 mill
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