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.

1: No load losses - normal vs reverse fed with 131 replies in the Electrical Calculations / Engineering forum
2: Sharing Neutrals with 85 replies in the NEC forum
3: are crimps acceptable for joining wires with 82 replies in the NEC forum
4: Can't find actual codes against this with 78 replies in the NEC forum
5: 334.30 requirements with 64 replies in the NEC forum
6: Transformer current calculation help for In-rush and current consumption with 54 replies in the Electrical Calculations / Engineering forum
7: Another Welding Receptacle Question with 51 replies in the NEC forum
8: Max % of allowable currrent unbalance in lighting transformer with 48 replies in the Electrical Calculations / Engineering forum
9: heat pump wire size and breaker with 47 replies in the NEC forum
10: Step up Transformer? with 44 replies in the NEC forum
11: Who is running things anyway ? with 44 replies in the NEC forum
12: FIRE! Red FPE Breakers please help! with 43 replies in the Safety forum
13: Interference from VFD Off to 4-20mA analog signal loop drive Actuator with 41 replies in the Electrical Calculations / Engineering forum
14: GFCI Readily Accessible for Electric Water Cooler (NEC 2014 422.52) with 39 replies in the NEC forum
15: VFD or not to D....that is the question with 37 replies in the Electrical Calculations / Engineering forum
16: How do I select CT ratios? with 37 replies in the Electrical Calculations / Engineering forum
17: Feeder to Hottub with 37 replies in the NEC forum
18: Transformer Primary Current with 32 replies in the Electrical Calculations / Engineering forum
19: Feeder Calculation with 31 replies in the Electrical Calculations / Engineering forum
20: WIRE SIZE PER DRAWING with 31 replies in the Electrical Calculations / Engineering forum
21: Relocating FA Devices with 31 replies in the Business Management / Estimating forum
22: Appliances question with 30 replies in the NEC forum
23: bidding residential with 30 replies in the Business Management / Estimating forum
24: Utility Owned vs Customer Owned Transformers Pros vs Cons with 30 replies in the Electrical Calculations / Engineering forum
25: Code requirement for abandoned service feeders with 29 replies in the NEC forum
26: Is It Required... with 29 replies in the NEC forum
27: Fused disconnect feeding sub-panel with 28 replies in the NEC forum
28: 12 volt car/truck battery with 28 replies in the Low Voltage and Limited Energy forum
29: Raceway as the grounding conductor with 28 replies in the Grounding versus Bonding forum
30: outside shower near receptacle with 27 replies in the NEC forum