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

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.

ECN Forum

 Recent Activity at ECN Forum:

Come, Join Us!
Re: Someone's Awake at Milwaukee
Posted by mikethebull:
I like the M 12 tools . Although I also have the M18 . The M12 are convenient for everyday drilling & driving screws.
Re: 3-way photosensor switch control
Posted by JoeTestingEngr:
Look into P&B KUL series latching relays for what you need. Potter & Brumfield was gobbled up by TE Connectivity, which used to be Tyco, so don't let the different mfg. names throw you off. I don't remember you mentioning your desired operating voltage yet and that really does impact the (...)
Re: Inverter/Charger advice
Posted by LarryC:
Battery Amp-Hour ratings are usually determined by the 20 hour discharge curve.

I believe for a 5 hour discharge, you should derate to 70%.

You may want to set up the UPS with the intended load and measure the actual current draw of the system.
Re: The elusive AFCI device??
Posted by SparksFlying:
Thank You!!
Re: Straighten bent RNC?
Posted by gfretwell:
I have been too busy to care much about it but I may have a few minutes tomorrow to play with it.
Re: pvc bends
Posted by Yoopersup:
A lot of Cables including HV have required bending Radius ,
Thus long radius 90's.
Re: 35mm 5 conductor cable distance to 50Kva xfromer
Posted by Texas_Ranger:
50° C conductor temperature?!? That'll force you to derate even further!

Is your MCCB supposed to protect the transformer? Then I'd say start by sizing that appropriately and then calculate cable size etc.
Re: Daisy chaining on 2pole 30 amp breaker??
Posted by Texas_Ranger:
Originally Posted By: ghost307
Absolutely not a problem as long as he uses 10 AWG wire (or larger).

There's no difference between this and allowing more than a single 15A receptacle on a 15A breaker.

If the next guy tries to use both at the same time the breaker will protect things; the same way (...)
Re: Cell tower on top of HV transmission tower?
Posted by mbhydro:
I would guess that most problems with a cell site are in the electronics shack on the ground and not up in the tower.

This guess is based on that I have never seen anybody up on the tower at the end of my street since construction, but I see a marked provider truck in the compound and the (...)

 

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Recent Photos:

Service_clearance_Clements_job.jpg

by: sparkync

Description: I am wanting to run a new pipe riser here at the top right hand corner. I am concerned if the local code will allow it. It does seem to be 3 ft. away from the deck vertically and above the window on the right.

1 comment
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Electrical-Photos.com