http://www.electrical-contractor.net/forums/ubbthreads.php Electrical Technical Reference RSS Feed ECN Electrical Forums - UBB.threads(tm) http://www.electrical-contractor.net/forums/ubbthreads.php/topics/204523/Load_Calculations_Example_Mult.html#Post204523 Posted by Scott35:
Per a Thread in the General Discussion area, the following Link contains a PDF version of an Example Load Calculation Database, for a Multi-Family Dwelling.

-- Scott

Multi Family Dwelling Load Calculation Database]]> Sat, 17 Dec 2011 21:14:34 MST http://www.electrical-contractor.net/forums/ubbthreads.php/topics/204102/Single_Phase_3_Wire_Transforme.html#Post204102 Posted by Scott35:
Just for fun...
Below is a Crude Animation, depicting the Current Flows in Primary and Secondary Windings of a Single Phase Transformer, with a Center Tapped Secondary Winding.

Animation displays Current Flow on Primary & Secondary (...)]]> Fri, 11 Nov 2011 20:23:40 MST http://www.electrical-contractor.net/forums/ubbthreads.php/topics/201491/Electrical_Planset_Refrigerati.html#Post201491 Posted by Scott35:
POST #8

Project:
Larry, Moe and Curley Cold Storage - Triplestooge Distribution Center

This Post Contains The Following Plan Sheets:

E-4.0: Interior Lighting Plan,

E-4.1: Interior Lighting Layout (Dimensions) Plan.

--- END OF ATTACHED PLAN SHEET POSTS FOR THE LMC TRIPLESTOOGE PROJECT ---

-- Scott]]> Sat, 04 Jun 2011 18:07:02 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193117/Transformers_amp_Feeders_3_Pha.html#Post193117 Posted by Scott35:

Transformers & Feeders: 3 Phase 4 Wire Wye


Five Drawings of Transformer Setups (Connection Schemes);
Primary and Secondary Feeders, Plus OCPDs and Panelboards for:
3 Phase 4 Wire Wye Transformers
(Two Voltage SDS)
NOTE: Click on Image to view Full-Sized Image

Fri, 19 Mar 2010 06:59:03 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193116/Transformers_amp_Feeders_3_Pha.html#Post193116 Posted by Scott35:
Transformers & Feeders: 3 Phase 3 Wire Wye

Five Drawings of Transformer Setups (Connection Schemes);
Primary and Secondary Feeders, Plus OCPDs and Panelboards for:
3 Phase 3 Wire Wye Transformers
(Single Voltage SDS)
NOTE: Click on Image to view Full-Sized Image

Fri, 19 Mar 2010 06:49:26 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193115/Transformers_amp_Feeders_3P_4W.html#Post193115 Posted by Scott35:
Transformers & Feeders:3P 4Wire Closed Delta

Five Drawings of Transformer Setups (Connection Schemes);
Primary and Secondary Feeders, Plus OCPDs and Panelboards for:
3 Phase 4 Wire Closed Delta Transformers
(Two Voltage SDS)
NOTE: Click on Image to view Full-Sized Image

Fri, 19 Mar 2010 06:40:00 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193114/Transformers_amp_Feeders_3Ph_3.html#Post193114 Posted by Scott35:

Transformers & Feeders:3Ph 3W Closed Delta 1/2

First Set of Drawings for 3 Phase 3 Wire Closed Delta Transformer Setups (Connection Schemes);
Primary and Secondary Feeders, Plus Primary OCPDs and Panelboards
(Single Voltage SDS, Primary & Secondary OCPD)
NOTE: Click on Image to view Full-Sized (...)]]> Fri, 19 Mar 2010 06:33:51 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193112/Transformers_amp_Feeders_3Ph_4.html#Post193112 Posted by Scott35:
Description Text for above images:

Text #3: Two Voltage SDS - Primary & Secondary OCPDs
(Click on Image to view Full-Sized Image)
]]> Fri, 19 Mar 2010 06:09:25 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193111/Transformers_amp_Feeders_3_Ph_.html#Post193111 Posted by Scott35:
Transformers & Feeders: 3 Ph. 3W. Open Delta 1/2

First Set of Drawings: 3 Phase 3 Wire Open Delta Transformer Setups (Connection Schemes);
Primary and Secondary Feeders, Plus Primary OCPDs and Panelboards
(Single Voltage SDS, Primary & Secondary OCPD)
NOTE: Click on Image to view Full-Sized Image

Fri, 19 Mar 2010 05:57:28 MDT http://www.electrical-contractor.net/forums/ubbthreads.php/topics/193110/Transformers_amp_Feeders_1_Pha.html#Post193110 Posted by Scott35:
Transformers & Feeders: 1 Phase 3 Wire

Five Drawings of Transformer Setups (Connection Schemes);
Primary and Secondary Feeders;
Plus OCPDs and Panelboards for:
Single Phase 3 Wire Transformers
(Two Voltage SDS)
NOTE: Click on Image to view Full-Sized Image

Drawing 1PH3W-1: 480V x 120/240V 1 Phase 3 (...)]]> Fri, 19 Mar 2010 05:44:28 MDT