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Constructor 12 Electrical Ladder Diagram, Schematic and PLC Software
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ECN Forum

 Recent Activity at ECN Forum:

Come, Join Us!
Re: Green wires in 480/277 Three Phase Panel!!
Posted by renosteinke:
I don't think 'green' became a color reserved for the ground wire until sometime around 1955. Heck, 3-prong receptacles were more the exception than the rule, well into the 60's.

I've encountered several knob & tube installations where green was 'hot' and the neutral was black.

I've also seen (...)
Re: Tracking Live wires .
Posted by Yoopersup:
Most the Loads I am talking about are 3 phase 480 v motor loads.
120 Volt loads are not a problem/
Still Looking
Re: Residential CBS additions, box mounting / type etc
Posted by ghost307:
I'd run a separate circuit for the outside lights and receptacles. That way if there's a problem outside none of the circuits inside the house are dead.
I would install metal boxes on the exterior. You could use deep gem boxes and use the metal brackets to hold them in place at the right (...)
Re: Finding live buried wires?
Posted by HotLine1:
lesk
Welcome to ECN from another Jersey guy....
Re: Looking for a Part...
Posted by Wheeler454:
Was wanting to know if maybe someone here could help me out. Or at least point me in the right direction. I have a 120/208 Eaton commercial 42 circuit panel board. I am looking for the red fiberglass isolation bar that goes where "B" phase would normally go. I some how drop the panel that I (...)
Re: Locating a grounded phase
Posted by LarryC:
Was just told Wednesday is my last day. Company is downsizing. The electricians will have to deal with it. I'll give them the advice and wish them luck.
Re: Reverse wiring a transformer 2014
Posted by Yoopersup:
Question

Can UL Listed (Certified) dry type transformers be reversed wired? Does that affect the Listing (Certification)?

Answer

UL Certified (Listed) dry type transformers can only be reverse wired if marked for such use or the installation instructions detail the practice. Dry type power (...)
Re: Table 39
Posted by brsele:
Thanks TWH.
This question came to me as I've been asked to wire a new house being built with electric heat. A 100A service was specified.

This is the first time in my life I've been asked to supply a 100A service for a new house and electric baseboard heaters.

So I did a load calculation and (...)
Re: LED CSI Master Format specs
Posted by gfretwell:
We have a RAB rep at just about every ECF lunch pitching his product. I imagine they have all the details on the web site but I get a stack of pages from him each time. This stuff is coming out so fast that there is always something new.

 

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Electrical-Photos.com

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061.JPG

by: Dynamotech

Description: Retro light fixture adapter made by a company that uses an 'F' as a logo. Does anyone know what company made these devices? I have so many of them laying around.
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