Top 50 Topics for 2016

Another great resource from Mike Holt Enterprises! The following is a list of the top topics discussed on our code forum for the year 2016. Simply click on any topic that interests you to read or join in the discussion. If you’re not already registered as a code forum member, click here to sign up now!

1: THE PHYSICS OF... POWER with 809 replies in the Electrical Calculations / Engineering forum
2: Power factor with 316 replies in the Electrical Calculations / Engineering forum
3: How to calculate if one transformer of a three phase Star/Delta bank is overloaded? with 178 replies in the Electrical Calculations / Engineering forum
4: Effectiveness of 1920's armored cable ground with 175 replies in the Grounding versus Bonding forum
5: 250MCM for 21.7 amps? Voltage drop calc must be wrong? with 164 replies in the Electrical Calculations / Engineering forum
6: 2 Phases of a 3 Phase System with 162 replies in the Electrical Calculations / Engineering forum
7: Neutrals and ground on the wrong bus. with 159 replies in the Grounding versus Bonding forum
8: License to buy material with 154 replies in the Business Management / Estimating forum
9: 4000 amp 480v 3ph switch gear with 144 replies in the Electrical Calculations / Engineering forum
10: 120/208 3-ph, 4W panelboard amps on A phase? with 126 replies in the Electrical Calculations / Engineering forum
11: Number of outlets with 123 replies in the NEC forum
12: Power factor / efficency of shaded pole motors with 118 replies in the Electrical Calculations / Engineering forum
13: shunt trip with 111 replies in the Electrical Calculations / Engineering forum
14: Tools are Grounded to Send the surge of electricty to earth with 111 replies in the Safety forum
15: Bonding/Grounding copper water lines with 109 replies in the Safety forum
16: He's Full of .... with 108 replies in the NEC forum
17: Disp & Dishwasher on single 20A ckt? with 103 replies in the NEC forum
18: 208v to 240v Buck Boost Transformer Calculations with 100 replies in the Electrical Calculations / Engineering forum
19: Paralleling of Bridge Rectifiers with 99 replies in the Electrical Calculations / Engineering forum
20: VFD Long Lead Lengths - Correctly Calculating Voltage Drop with 97 replies in the Electrical Calculations / Engineering forum
21: Different phase to ground voltage readings with 95 replies in the Grounding versus Bonding forum
22: air handler question with 94 replies in the Electrical Calculations / Engineering forum
23: 705.12 (D) re- visited with 92 replies in the NEC forum
24: Safety of 480 vs 240. with 91 replies in the Safety forum
25: PPE for Residential and light commercial HVACR work with 85 replies in the Safety forum
26: Calculating line impedance for distance relaying with 84 replies in the Electrical Calculations / Engineering forum
27: ufer question for small residential addition with 80 replies in the NEC forum
28: Defining Average Power with 79 replies in the Electrical Calculations / Engineering forum
29: Rubber Cord Ampacity with 77 replies in the NEC forum
30: Circuit for Replacement HVAC System with 77 replies in the Electrical Calculations / Engineering forum
31: extension cords with 74 replies in the NEC forum
32: RV site requirements with 73 replies in the Grounding versus Bonding forum
33: Conductor Ampacities with 68 replies in the Electrical Calculations / Engineering forum
34: Home Inspector problems......... with 68 replies in the NEC forum
35: VFD on step-up transformer problem with 67 replies in the Electrical Calculations / Engineering forum
36: van vs truck with 67 replies in the Business Management / Estimating forum
37: Optional Standby Generator Starting w/ Full Load with 67 replies in the Electrical Calculations / Engineering forum
38: Arc fault nightmare with 66 replies in the NEC forum
39: Death of construction company owner and how to move forward with 65 replies in the Business Management / Estimating forum
40: EGC for 120V Control Circuits with 65 replies in the NEC forum
41: GEC required for 208-480 delta transformer? with 65 replies in the NEC forum
42: inspectors doing electrical- learned something new with 65 replies in the NEC forum
43: 380v European Equipment with 64 replies in the Electrical Calculations / Engineering forum
44: amperage inrush with 63 replies in the Electrical Calculations / Engineering forum
45: Gradual bends in underground PVC with 62 replies in the NEC forum
46: Motor Protection with Magnetic Only Breaker with 62 replies in the Electrical Calculations / Engineering forum
47: Service Work Pay Opinions wanted! with 61 replies in the Business Management / Estimating forum
48: MC connector with 60 replies in the Grounding versus Bonding forum
49: Article 250.122(F) with 60 replies in the NEC forum
50: Chandilier swap out....25' high in foyer with 60 replies in the Business Management / Estimating forum