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06/29/2026 7:06 AM HV Switchgear - Internal Earth Bar
by Anonymous Poster
Last post: 06/30/2026 4:41 PM
by rwilliams
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10/10/2007 8:51 AM Searl Effect Generator
by Anonymous Poster
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06/23/2026 9:44 AM Converting Active Pulse Output to Passive
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06/22/2026 7:16 AM Software Required for SLC 5/03 Allen Bradley PLC
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01/23/2026 12:47 PM Power Outage is Expected, Hooking up a Generator
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06/15/2026 8:09 AM Motorized MCCB
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03/04/2026 10:07 AM Trip Circuit Supervision and IRF
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12/09/2025 12:05 AM Low Voltage Switchboards
by Selk
Last post: 06/16/2026 7:57 AM
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06/01/2026 10:04 AM Emergency Light Fixture
by Selk
Last post: 06/12/2026 10:36 AM
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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
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05/04/2026 11:16 AM Ammeter Location for Star-Delta Starter Circuit
by Anonymous Poster
Last post: 05/19/2026 8:53 AM
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 8 160
05/11/2026 11:41 AM Arc Flash and IP Rating
by Anonymous Poster
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 1 108
05/07/2026 6:12 AM Undervoltage Relay for Low Voltage Motors
by Selk
Last post: 05/08/2026 8:08 AM
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 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
 4 132
04/14/2026 4:46 AM Synch Selector Switch - Auto Transfer Scheme
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Last post: 04/15/2026 12:29 AM
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 1 52
04/04/2026 11:37 PM Plastic Cover for Low Voltage Breaker
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08/07/2021 2:12 AM Roasted Coffee Bean Storage
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 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 32
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
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 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 73
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
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 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
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 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
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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
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 2 130
02/04/2026 2:15 AM Material Request
by Dennis81
Last post: 02/16/2026 10:08 AM
by redfred
 6 100
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 97
02/07/2026 8:49 AM Small Transformers Earth Fault Protection
by Selk
Last post: 02/09/2026 12:59 PM
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 5 107
01/28/2026 2:52 PM Failure of ACO1 Aerovox Capacitor Model # Z26S4456MT5B1
by Anonymous Poster
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 8 266
10/01/2008 11:57 PM GEC Alsthom Alternator
by domnicdsilva
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 12 508
09/14/2009 5:49 AM Restaurant Equipment and Fast Food
by Anonymous Poster
Last post: 01/05/2026 4:00 PM
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12/27/2025 11:16 PM Door Interlock for MCCB Incomers
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Last post: 12/29/2025 12:24 PM
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 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
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 19 5319
07/23/2010 8:46 PM 3 Phase Overload Setting
by alan.rotech
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 3 307
11/10/2025 4:39 AM Ex Rated Socket/Adapter
by Anonymous Poster
Last post: 12/26/2025 10:53 AM
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 15 226
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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
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 19 546
11/20/2025 11:02 PM Cerutti Rotogravure
by Vladnew
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 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
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 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?
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Last post: 11/02/2025 9:37 PM
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 9 276
10/25/2025 6:44 AM Synchronoscope In Lieu of Separate Synch Check Relay
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Last post: 10/26/2025 7:58 AM
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 2 227
03/03/2017 11:16 AM Replace MX321 AVR with R448 AVR
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 8 388
10/07/2025 4:31 PM Variac Tripping MCB Issues
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10/11/2025 3:23 AM Application Of Prepayment System in Commercial Buildings
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10/06/2025 4:22 PM C’mon Doorman, Throw Us A Bone!
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08/10/2025 9:36 AM PV Solar Panel Fire
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 9 344
08/18/2025 9:15 AM RCD at the Incoming Breaker
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09/09/2022 7:36 AM 33 kV and 11 kV line sheet format
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07/26/2025 7:35 PM General Electric DC300 Drive Failure
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02/27/2009 6:45 PM Transmission Line Field Calculator
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10/05/2013 7:49 PM Magnetic vs Electrical Propagation Speed
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05/12/2015 4:23 AM Harmonic Filter Bank Capacitor Terminals Overvoltage
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05/24/2025 12:30 AM Gas Groups - Hazardous Area Equipment
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