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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
06/29/2026 7:06 AM HV Switchgear - Internal Earth Bar by Anonymous Poster	Last post: 06/30/2026 4:41 PM by rwilliams	3	41
10/10/2007 8:51 AM Searl Effect Generator by Anonymous Poster	Last post: 06/29/2026 5:32 AM by Niveditasharma	442	3550
06/05/2012 2:35 AM Electrical Conduction of Grease at Low Temperatures by Anonymous Poster	Last post: 06/28/2026 7:53 AM by CHRIS_K	7	249
06/23/2026 9:44 AM Converting Active Pulse Output to Passive by REH	Last post: 06/27/2026 3:34 PM by Rixter	12	101
06/22/2026 7:16 AM Software Required for SLC 5/03 Allen Bradley PLC by DE ENG	Last post: 06/23/2026 3:03 AM by rwilliams	1	20
01/23/2026 12:47 PM Power Outage is Expected, Hooking up a Generator by Labyguy	Last post: 06/19/2026 5:52 AM by evanmjones	14	250
06/15/2026 8:09 AM Motorized MCCB by Selk	Last post: 06/16/2026 9:52 AM by rwilliams	1	47
03/04/2026 10:07 AM Trip Circuit Supervision and IRF by Selk	Last post: 06/16/2026 8:26 AM by VSS POWER	2	118
12/09/2025 12:05 AM Low Voltage Switchboards by Selk	Last post: 06/16/2026 7:57 AM by VSS POWER	2	120
06/01/2026 10:04 AM Emergency Light Fixture by Selk	Last post: 06/12/2026 10:36 AM by Calnet42	5	123
06/02/2026 12:21 AM Form 4A — LV Panel — Rotary Handle by Anonymous Poster	Last post: 06/03/2026 12:53 AM by rwilliams	1	36
04/21/2026 9:03 AM Load Sharing Communication Method by Anonymous Poster	Last post: 05/24/2026 11:44 PM by rwilliams	2	91
05/04/2026 11:16 AM Ammeter Location for Star-Delta Starter Circuit by Anonymous Poster	Last post: 05/19/2026 8:53 AM by Vulcan	8	160
05/11/2026 11:41 AM Arc Flash and IP Rating by Anonymous Poster	Last post: 05/11/2026 11:57 PM by rwilliams	1	108
05/07/2026 6:12 AM Undervoltage Relay for Low Voltage Motors by Selk	Last post: 05/08/2026 8:08 AM by vsar	3	69
04/07/2026 5:19 AM Test Terminal Block/Test Switches in MV Switchgear by Anonymous Poster	Last post: 05/03/2026 11:46 PM by rwilliams	2	104
04/27/2026 4:48 AM Tie Breaker Rating by Anonymous Poster	Last post: 04/28/2026 2:49 AM by beancycle	2	96
04/06/2026 9:14 AM VFD - 12 Pulse Transformer - Wye Winding by Selk	Last post: 04/20/2026 9:56 AM by vsar	4	133
04/14/2026 4:46 AM Synch Selector Switch - Auto Transfer Scheme by Selk	Last post: 04/15/2026 12:29 AM by rwilliams	1	52
04/04/2026 11:37 PM Plastic Cover for Low Voltage Breaker by Selk	Last post: 04/13/2026 12:20 PM by mastrsmth	1	79
08/07/2021 2:12 AM Roasted Coffee Bean Storage by Joe Sparky	Last post: 04/11/2026 12:43 AM by Rcrispsolutions	20	416
04/07/2026 5:17 AM Measuring Instrument in Bus Tie - MV/LV Switchgear by Anonymous Poster	Last post: 04/07/2026 5:17 AM by Anonymous Poster	0	33
04/05/2026 7:59 AM EU Regulations for Batteries and Electronic Parts by simke	Last post: 04/05/2026 7:59 AM by simke	0	39
07/17/2013 10:29 PM I Need a Low Fuel Alarm for My Wifes Riding Lawn Mower by tcmtech	Last post: 04/04/2026 7:54 AM by globalworker	218	4493
04/03/2026 10:59 PM PLCs in Electrical Engineering: Reliability and Optimization in Industrial Control Systems by baoanatmt79	Last post: 04/03/2026 10:59 PM by baoanatmt79	0	32
03/25/2026 2:27 AM IEC 62271-200: HV/MV Switchgear - LSC2B by Anonymous Poster	Last post: 03/31/2026 2:04 PM by rwilliams	2	74
03/11/2026 10:06 AM Regavolt Variable Transformer Current by Anonymous Poster	Last post: 03/25/2026 10:01 AM by DiegoLopez	6	131
03/22/2026 7:46 AM Black Star Diesel Generator by ASSER	Last post: 03/22/2026 10:58 PM by rwilliams	3	87
09/09/2020 5:04 PM Copper Bonded Earthing Electrode by Anonymous Poster	Last post: 03/21/2026 6:06 AM by Anonymous Poster	9	201
03/07/2026 6:52 AM Limiting Cable Temperature by Anonymous Poster	Last post: 03/08/2026 6:59 AM by vsar	3	132
02/26/2026 12:43 AM How Do I Set Up Phased Electricity Pricing? by powermeter	Last post: 02/26/2026 4:58 PM by Brave Sir Robin	1	89
02/24/2026 9:31 AM Two Ground Wires in One Terminal - Within a Light Fixture by Selk	Last post: 02/25/2026 7:12 AM by vsar	2	155
02/19/2026 10:47 AM Does a VFD Driven Motor Require Separate Motor Protection Relay? by Anonymous Poster	Last post: 02/20/2026 6:05 AM by Stef	2	71
02/13/2026 3:47 AM Auto Unload Push Button for Generator Breaker Panel by Anonymous Poster	Last post: 02/17/2026 2:36 PM by Brave Sir Robin	3	86
02/11/2026 11:06 PM Twisted Pair Communication Wire by gutmonarch	Last post: 02/17/2026 2:31 PM by Brave Sir Robin	2	130
02/04/2026 2:15 AM Material Request by Dennis81	Last post: 02/16/2026 10:08 AM by redfred	6	101
10/12/2008 4:17 PM Single phasing of squirrel cage induction motor by Substation 15	Last post: 02/16/2026 6:19 AM by truth is not a compromise	10	310
01/06/2026 9:52 PM Two Voltages Combined in a Distribution Board by Anonymous Poster	Last post: 02/16/2026 4:38 AM by Hameleon	4	244
12/12/2007 6:12 AM Operation of Phase Failure Relay by Asitha	Last post: 02/14/2026 4:59 AM by Stef	5	365
02/13/2026 6:29 AM Hitache EC Series Software by Anonymous Poster	Last post: 02/13/2026 6:29 AM by Anonymous Poster	0	27
02/05/2026 9:56 AM ABB- VD4 Circuit Breaker - Closing Circuit Explanation by Anonymous Poster	Last post: 02/11/2026 11:39 AM by Anonymous Poster	2	98
02/07/2026 8:49 AM Small Transformers Earth Fault Protection by Selk	Last post: 02/09/2026 12:59 PM by rwilliams	5	107
01/28/2026 2:52 PM Failure of ACO1 Aerovox Capacitor Model # Z26S4456MT5B1 by Anonymous Poster	Last post: 02/03/2026 11:33 PM by Deefburger	8	266
10/01/2008 11:57 PM GEC Alsthom Alternator by domnicdsilva	Last post: 02/03/2026 3:25 PM by Doorman	12	508
09/14/2009 5:49 AM Restaurant Equipment and Fast Food by Anonymous Poster	Last post: 01/05/2026 4:00 PM by Koos03	5	137
12/27/2025 11:16 PM Door Interlock for MCCB Incomers by Selk	Last post: 12/29/2025 12:24 PM by rwilliams	3	147
11/24/2010 3:38 AM Power Cable - Ampere Rating by Anonymous Poster	Last post: 12/28/2025 6:02 AM by PWSlack	3	392
01/03/2008 5:35 AM Bus Bar Calculation by still learning	Last post: 12/28/2025 5:55 AM by PWSlack	19	5320
07/23/2010 8:46 PM 3 Phase Overload Setting by alan.rotech	Last post: 12/28/2025 5:51 AM by PWSlack	3	307
11/10/2025 4:39 AM Ex Rated Socket/Adapter by Anonymous Poster	Last post: 12/26/2025 10:53 AM by redfred	15	226
12/16/2025 12:44 AM Magnet Coil and Closing Coil in Vacuum Contactor? by Anonymous Poster	Last post: 12/19/2025 11:16 PM by rwilliams	9	155
11/12/2025 3:12 AM After Replacing My Electricity Meter with a Smart Meter, I Feel My Electricity Bill has Increased Significantly. Is this a Common Phenomenon? by powermeter	Last post: 12/19/2025 8:11 AM by Gabriel	19	546
11/20/2025 11:02 PM Cerutti Rotogravure by Vladnew	Last post: 12/12/2025 9:53 PM by Vladnew	2	114
11/25/2025 5:19 PM Before Synchronization — Generator Mode by Anonymous Poster	Last post: 11/28/2025 7:59 AM by Rixter	4	286
11/19/2025 6:56 AM ANSI C12.1 Insulation Test 15 by Anonymous Poster	Last post: 11/19/2025 6:48 PM by Brave Sir Robin	1	111
12/11/2007 7:51 AM How Far Can You Run 24Vdc Before You Lose Voltage by Anonymous Poster	Last post: 11/14/2025 2:41 AM by The Wizard	41	7106
05/12/2015 12:41 AM Sudden Voltage Dips In The Power Supply System Affecting CNC Machines by G P Kadni	Last post: 11/12/2025 7:27 AM by Digital Poonam	32	1285
11/09/2025 11:02 PM UPS Autonomy by Anonymous Poster	Last post: 11/11/2025 10:30 AM by Doorman	6	134
10/16/2025 1:31 AM Where Can Prepaid Electricity Meters be Used? by powermeter	Last post: 11/02/2025 9:37 PM by powermeter	9	276
10/25/2025 6:44 AM Synchronoscope In Lieu of Separate Synch Check Relay by Anonymous Poster	Last post: 10/26/2025 7:58 AM by vsar	2	227
03/03/2017 11:16 AM Replace MX321 AVR with R448 AVR by John365	Last post: 10/18/2025 8:02 PM by Anonymous Poster	8	388
10/07/2025 4:31 PM Variac Tripping MCB Issues by TeslaDog	Last post: 10/12/2025 1:05 PM by Doorman	15	213
10/11/2025 3:23 AM Application Of Prepayment System in Commercial Buildings by powermeter	Last post: 10/11/2025 3:23 AM by powermeter	0	36
10/06/2025 4:22 PM C’mon Doorman, Throw Us A Bone! by Doorman	Last post: 10/10/2025 3:03 PM by Doorman	19	264
09/02/2025 11:55 AM Converting Sinusoidal to Digital by REH	Last post: 09/27/2025 3:47 AM by Vulcan	13	343
09/01/2025 4:34 AM Coherent CO2 Laser by Manfred2	Last post: 09/02/2025 8:44 AM by HiTekRedNek	3	91
08/25/2025 9:54 AM Best Practices for Designing a Microcontroller-Based Power Supply by Alex115	Last post: 08/27/2025 6:05 AM by SolarEagle	4	102
08/10/2025 9:36 AM PV Solar Panel Fire by gutmonarch	Last post: 08/23/2025 3:36 AM by user-deleted-1105	9	344
08/18/2025 9:15 AM RCD at the Incoming Breaker by Selk	Last post: 08/18/2025 9:15 AM by Selk	0	91
09/09/2022 7:36 AM 33 kV and 11 kV line sheet format by Anonymous Poster	Last post: 08/14/2025 3:28 AM by goGreen	5	170
08/10/2025 5:12 AM Best Automatic Transfer Switch by gutmonarch	Last post: 08/11/2025 3:20 PM by redfred	11	242
08/05/2025 5:02 AM Oversized UPS by Anonymous Poster	Last post: 08/11/2025 10:35 AM by gutmonarch	16	294
07/26/2025 7:35 PM General Electric DC300 Drive Failure by Ccit	Last post: 08/09/2025 11:31 AM by Ccit	9	268
02/27/2009 6:45 PM Transmission Line Field Calculator by pwr2thepeople	Last post: 07/19/2025 7:07 AM by dornrobin	9	683
06/04/2025 1:56 AM Confirmed Shut Down Signal - Motor Starter by Selk	Last post: 07/04/2025 10:45 AM by phoenix911	15	571
10/05/2013 7:49 PM Magnetic vs Electrical Propagation Speed by Anonymous Poster	Last post: 06/25/2025 11:29 AM by HiTekRedNek	89	1081
06/03/2025 8:17 AM Tesla Coil Primary Resonance by Manfred2	Last post: 06/06/2025 11:45 AM by Manfred2	8	570
05/12/2015 4:23 AM Harmonic Filter Bank Capacitor Terminals Overvoltage by amitabha0107	Last post: 05/28/2025 3:12 AM by V.Ambarani.	6	586
05/24/2025 12:30 AM Gas Groups - Hazardous Area Equipment by Anonymous Poster	Last post: 05/25/2025 1:06 PM by HiTekRedNek	6	154
05/20/2025 10:04 AM ABB & Siemens - MV Switchgear or HV Switchgear by Anonymous Poster	Last post: 05/23/2025 8:16 AM by HiTekRedNek	2	174
05/14/2025 10:39 AM Cummins K50 Diesel Engine Generator by Anonymous Poster	Last post: 05/16/2025 4:39 AM by The Wizard	2	209
04/23/2025 3:00 PM HV Equipment Discharge in Hazardous Area (Zone-2) by NKA	Last post: 05/14/2025 1:17 PM by WJMFIRE	6	219
05/03/2025 12:43 PM Load Sharing Controller vs PMS by Anonymous Poster	Last post: 05/10/2025 1:23 AM by rwilliams	4	233
04/22/2025 9:09 AM Dual Incomer - Interlock by Anonymous Poster	Last post: 05/08/2025 7:23 PM by HiTekRedNek	10	189
11/14/2006 11:47 AM How Do We Size a Generator? by Anonymous Poster	Last post: 04/29/2025 4:58 AM by PWSlack	4	424
06/08/2009 12:46 AM Calculating Electrical Load by Anonymous Poster	Last post: 04/29/2025 4:38 AM by PWSlack	5	249
10/19/2011 5:31 AM Are the 24Vdc System Can Do the Earth Leakage Protection? by zagu12	Last post: 04/29/2025 3:59 AM by PWSlack	5	137
03/30/2010 12:32 AM 33 KV Earthed Cable Megger Test by Anonymous Poster	Last post: 04/28/2025 6:29 AM by PWSlack	3	167
10/22/2012 12:12 AM Change of a Cable/Conductor Size at a Junction Box in a Long Circuit by Jay Tesla	Last post: 04/28/2025 5:13 AM by PWSlack	22	2728
07/30/2014 7:20 AM T/N/C Switch by arpittare	Last post: 04/28/2025 4:27 AM by PWSlack	22	565
04/02/2025 6:53 AM Full Wave Rectification of Microwave Oven Transformer by Manfred2	Last post: 04/27/2025 1:09 PM by HiTekRedNek	6	272
03/19/2009 6:11 AM Protecting a 220 Kv Switchyard from Lightning by arvind075	Last post: 04/24/2025 4:39 AM by PWSlack	5	308
03/19/2009 5:44 AM How to Test a Cable by ashwin3336	Last post: 04/23/2025 5:08 AM by PWSlack	6	154
10/20/2012 10:48 AM % Impedance In 3-Phase Transformer by siegfredo c. tabanag	Last post: 04/23/2025 5:05 AM by PWSlack	8	1342
04/03/2014 5:20 AM Transformer Body Earth & Neutral Ground Earth by jackdaniel	Last post: 04/23/2025 4:58 AM by PWSlack	8	872
04/17/2025 7:42 AM Ex-Rated Distribution Panel by Anonymous Poster	Last post: 04/22/2025 11:36 AM by PWSlack	6	145
10/25/2009 8:18 AM Electrical Network Configuration..... by lightning.arrester	Last post: 04/22/2025 9:39 AM by PWSlack	6	762
04/12/2007 3:39 AM Difference between High and Low resistance earthing by Sudh	Last post: 04/22/2025 9:32 AM by PWSlack	13	1078
11/25/2010 9:48 AM Electrical Line Diagrams for a Highrise Building. by Anonymous Poster	Last post: 04/16/2025 9:31 AM by PWSlack	9	671
01/26/2009 5:18 PM Motor Fuse Size and Overload Settings by lost.instro	Last post: 04/16/2025 5:25 AM by PWSlack	8	1380

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