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
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Mike Holt's Electrical ToolBox. I created an amazing app for the ele…
12.3K viewsFeb 3, 2025
FacebookMike Holt Enterprises
Check out this NEC photo! This is designed to put a NEC rule at your fingertips each week, remind you to work safely, and to use as a quick training tool for your team in your meetings, at lunch, or in the field – we’d also love to hear from you about this feature and how you’re using it! This photo is extracted from Mike Holt’s 2023 Understanding the NEC Complete Training Library, for more information visit mikeholt.com/code or call 888.632.2633. #MikeHoltEnterprises #MikeHolt #NationalElectric
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Check out this NEC photo! This is designed to put a NEC rule at you…
908 views7 months ago
FacebookMike Holt Enterprises
Check out this NEC photo! This is designed to put a NEC rule at your fingertips each week, remind you to work safely, and to use as a quick training tool for your team in your meetings, at lunch, or in the field – we’d also love to hear from you about this feature and how you’re using it! This photo is extracted from Mike Holt’s 2023 Understanding the NEC Complete Training Library, for more information visit mikeholt.com/code or call 888.632.2633. #MikeHoltEnterprises #MikeHolt #NationalElectric
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Check out this NEC photo! This is designed to put a NEC rule at you…
6.1K views6 months ago
FacebookMike Holt Enterprises
Mike Holt on Making Electrical Education Practical
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Mike Holt on Making Electrical Education Practical
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Mike Holt Enterprises on Instagram: "Sizing conductors and short-circuit ground-fault protection for A/C equipment is Easy! All you need to do is follow the equipment nameplate! The nameplate short-circuit/ground-fault protection is sized to 225% of the load [440.22} and conductors are sized to 125% of load [440.32]. Understand that 240.4(G) overrides the limitations of 240.4(D) and that the A/C equipment has internal overload protection. Note 1: If the wiring method was NM Cable (Romex), then t
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Mike Holt Enterprises on Instagram: "Sizing conductors and short-circ…
44.7K views5 months ago
Instagrammikeholtenterprises
Mike Holt Enterprises on Instagram: "Motor Conductor and Short-Circuit Ground-Fault Protection Sizing. Conductors are sized at 125% of Motor FLC (Article Table), based on 75C column of Table 310.16 (all terminals are rated 75C), see NEC 110.14(C)(1)(a)(3) and 430.22(A) [22A x 125% = 28A]. Breaker used for short-circuit ground-fault protection sized to 250% of motor FLC, see NEC 430.52(C)(1)(a) [22A x 250% = 55A]. The limitation of 30A protection for 10 AWG does not apply to motor branch circuits
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Mike Holt Enterprises on Instagram: "Motor Conductor and Short-Circu…
19.4K views5 months ago
Instagrammikeholtenterprises
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