Mike Holt's Electrical ToolBox. I created an amazing app for the electrician, inspector, instructor, contractor, and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment, motors, Transformers (commercial), and dwelling-unit service calculations and sizing. As for me and my house, I will serve the Lord [Jo
0:59
Mike Holt's Electrical ToolBox. I created an amazing app for the ele…
12.3K viewsFeb 3, 2025
FacebookMike Holt Enterprises
EGC for Parallel Conductors, Sizing [250.122(F), 2020 NEC]
9:32
Find in video from 02:00Sizing Equipment Grounding Conductors
EGC for Parallel Conductors, Sizing [250.122(F), 2020 NEC]
40.4K viewsJan 13, 2020
YouTubeMikeHoltNEC
Understanding Mutual Induction in Transformers | Theory Explained #electricalcode #nec
0:34
Understanding Mutual Induction in Transformers | Theory Explained #…
15.3K viewsMar 22, 2024
YouTubeMikeHoltNEC
Mike Holt: Explaining Turns Ratio in Transformers
0:44
Mike Holt: Explaining Turns Ratio in Transformers
32.8K viewsMar 27, 2024
YouTubeMikeHoltNEC
Equipment Grounding Conductor, Sizing (EGC) [250.122, 2020 NEC]
2:09
Find in video from 00:26Sizing Requirements
Equipment Grounding Conductor, Sizing (EGC) [250.122, 2020 NEC]
14.1K viewsJan 13, 2020
YouTubeMikeHoltNEC
Marking on Hermetic Motor Compressors and Equipment [440.4], 2023 NEC
8:01
Marking on Hermetic Motor Compressors and Equipment [440…
3K views9 months ago
YouTubeMikeHoltNEC
Code video 440.4 Marking on Hermetic Motor Compressors and Equipment Want to know how easy it is to size the conductor and breaker or fuse for hermetic motor compressor equipment? It’s simple, just follow the equipment manufacturer’s nameplate ratings for sizing the minimum conductor and maximum overcurrent protection sizes as explained in the National Electrical Code section 440.4. Ever heard that guy who says, “you can’t protect that 10 AWG with a 50A circuit breaker.” Don’t be “that guy”! Wat
8:01
Code video 440.4 Marking on Hermetic Motor Compressors and …
3.3K views8 months ago
FacebookMike Holt Enterprises
0:53
Sizing wire and protection for AC equipment is based on the namepl…
97K viewsJun 13, 2024
FacebookMike Holt Enterprises
0:53
Sizing wire and protection for AC equipment is based on the namepl…
205.6K viewsJun 13, 2024
FacebookMike Holt Enterprises
12:11
Transformers - Understanding Delta/Wye Connections [250.4(A)] …
196.2K viewsApr 14, 2014
YouTubeMikeHoltNEC
14:30
Find in video from 00:27Table 3 10 15 B 16 Selection of Conductor Size
Motor Branch Circuit Conductor Sizing [430.22(A)] (14min:30sec)
90.5K viewsMar 18, 2011
YouTubeMikeHoltNEC
8:57
Transformer OCPD - Pri. & Sec. Protection, Table 450.3(B)
61.4K viewsNov 22, 2020
YouTubeDave Gordon
0:57
Sizing conductors and short-circuit ground-fault protection for A/C eq…
75.7K views3 months ago
FacebookMike Holt Enterprises
5:33
Find in video from 02:13Wire Sizing and Protection
Air-Conditioning, Circuit Sizing, NEC 2020 - [440.4(B)], (5min:33sec)
112.7K viewsAug 3, 2020
YouTubeMikeHoltNEC
26:17
Find in video from 17:41Sizing Transformers
TRANSFORMERS - What They Are, How They Work, How Electricians …
408.2K viewsFeb 10, 2020
YouTubeElectrician U
23:34
Types of Equipment Grounding Conductors, NEC 2023 - [250.118]…
9.6K views6 months ago
YouTubeMikeHoltNEC
13:26
Ampacity Table, NEC 2020 - [310.15], (13min:26sec)
83.3K viewsOct 23, 2020
YouTubeMikeHoltNEC
0:58
All metal parts supplied by a feeder or branch circuit must be connect…
108.3K views7 months ago
FacebookMike Holt Enterprises
0:59
Mike Holt's Electrical ToolBox; is an amazing app for the electrician, in…
4.1K viewsFeb 3, 2025
YouTubeMikeHoltNEC
3:56
Grounding a Corner Grounded Delta System, NEC 2020, (3min:56sec)
49K viewsMay 20, 2021
YouTubeMikeHoltNEC
11:14
Auxiliary Grounding Electrodes [250.54], NEC 2023, (10min:54sec)
13.8K viewsMar 20, 2024
YouTubeMikeHoltNEC
0:34
Proper Connection of Grounding Conductors | NEC 2020
22.4K viewsMay 9, 2024
YouTubeMikeHoltNEC
13:13
Ground-Fault Protection (GFPE and GFCI) [555.35], 2023 NEC
6.4K views11 months ago
YouTubeMikeHoltNEC
14:57
Dwelling Unit Receptacle Outlet Requirements, 2023 NEC [210.52], …
15K viewsFeb 7, 2025
YouTubeMikeHoltNEC
29:15
How To Use The NEC, NEC 2020, (29min:15sec)
216.9K viewsNov 9, 2020
YouTubeMikeHoltNEC
33:35
Grounding, System and Equipment [250.4, 2020 NEC]
147.6K viewsJan 13, 2020
YouTubeMikeHoltNEC
0:53
Find in video from 00:23Reverse Feeding a Transformer
Understanding System Voltages and Reverse Feeding Transformers | M…
77.7K viewsApr 17, 2024
YouTubeMikeHoltNEC
30:33
Voltage-Drop - Manufacturer and NEC Recommendations [210.19(A…
27.3K viewsApr 24, 2023
YouTubeMikeHoltNEC
0:55
Understanding Parallel Conductors: Distribution of Currents Explaine…
30.7K viewsApr 2, 2024
YouTubeMikeHoltNEC
17:51
Solar Photovoltaic (PV) Systems Scope, NEC 2023 - [690.1], (17min:…
9.9K viewsNov 25, 2024
YouTubeMikeHoltNEC
See more videos
Static thumbnail place holder