Another great resource from Mike Holt Enterprises! The following is a list of the top topics discussed on our code forum in the past month. 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: Power factor / efficency of shaded pole motors with 118 replies in the Electrical Calculations / Engineering forum
2: GEC required for 208-480 delta transformer? with 65 replies in the NEC forum
3: 400 amp service with 55 replies in the NEC forum
4: MC Cable in Raceway with Data/Phone with 46 replies in the NEC forum
5: chase nipples, close nipples, bond bushing with 45 replies in the NEC forum
6: Voltage of ideal diodes in parallel? with 45 replies in the Electrical Calculations / Engineering forum
7: What's wrong with this picture... with 42 replies in the NEC forum
8: Code question and company telling me otherwise with 40 replies in the Safety forum
9: Insulated multi tap connectors with 36 replies in the NEC forum
10: Cord Reel with 36 replies in the NEC forum
11: License to buy material with 35 replies in the Business Management / Estimating forum
12: KVA and voltage drop with 35 replies in the Electrical Calculations / Engineering forum
13: Ground Impedance with 35 replies in the NEC forum
14: Electrician forgot to connect ground wire....how big of deal is this? with 33 replies in the NEC forum
15: Starter Auxiliary Contact Usage with 32 replies in the Electrical Calculations / Engineering forum
16: Opinion needed on what I believe to be a flawed question. with 32 replies in the NEC forum
17: 240.21(C)(6)(1) with 32 replies in the Electrical Calculations / Engineering forum
18: Contractor Exam Prep - Unit 8 Challange question 2 with 31 replies in the Electrical Calculations / Engineering forum
19: Manufacture spec's what does this mean? with 31 replies in the NEC forum
20: Primary service with 31 replies in the Business Management / Estimating forum
21: Meter Mains with 31 replies in the NEC forum
22: Under sizing a breaker for CNC equipment with 30 replies in the Electrical Calculations / Engineering forum
23: Services; Point of Attachment; Art. 230.26 with 29 replies in the NEC forum
24: Why aren't VTs fused? with 29 replies in the Electrical Calculations / Engineering forum
25: neutral bus bonding question (Moved from another thread) with 28 replies in the Grounding versus Bonding forum
26: Job Postings with 27 replies in the Business Management / Estimating forum
27: Trough usage with 27 replies in the NEC forum
28: NYC Code with 26 replies in the NEC forum
29: transformer primary bushing confusion with 25 replies in the Electrical Calculations / Engineering forum
30: 3 phase motor - no starter, no switch, Dangerous with 25 replies in the NEC forum