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# Forum: Electrical Calculations / Engineering

1. ### Sticky: Understanding the Neutral Conductor

• Replies: 0
• Views: 8,516
08-02-07, 07:44 PM

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1. ### If a motor runs on 230V at 47A, how many amps will it draw at 208V?

• Replies: 3
• Views: 58
Yesterday, 11:40 PM
2. ### UL 508A Sizing feeder Circuit

• Replies: 3
• Views: 90
Yesterday, 08:26 PM
3. ### Larger conductors save money.

• Replies: 21
• Views: 1,100
Yesterday, 05:24 PM
4. ### Which are the correct values to use in load calcs?

• Replies: 3
• Views: 226
06-24-19, 08:29 PM
5. ### Custom automatic transfer switching enclosure advice needed

• Replies: 5
• Views: 336
06-23-19, 01:05 PM
6. ### 208/120V 4-Wire Feeders. How do I decide if neutral is current carrying?

• Replies: 4
• Views: 176
06-23-19, 07:49 AM
7. ### Heated floor ohms is off the chart

• Replies: 3
• Views: 251
06-23-19, 06:31 AM
8. ### Trouble with a 5KV circuit.

• Replies: 8
• Views: 427
Cow
06-22-19, 04:45 PM
9. ### Input Wattage for mix and match ballast & lamps

• Replies: 4
• Views: 258
gar
06-22-19, 02:47 PM
10. ### 120V Service Feed to 240V Panel

• Replies: 3
• Views: 206
06-22-19, 01:39 PM
11. ### Arc Flash question

• Replies: 3
• Views: 229
06-21-19, 11:44 AM
12. ### How to factor high-wattage appliances into load calcs & branch circuit design?

• Replies: 10
• Views: 436
06-21-19, 06:26 AM
13. ### Modifying Existing MCC

• Replies: 4
• Views: 497
06-20-19, 04:33 PM
14. ### Buck and boost for load increased portion only

• Replies: 7
• Views: 380
06-20-19, 10:10 AM
15. ### Fuse or Breaker to protect Heat Pump

• Replies: 9
• Views: 455
06-19-19, 08:49 PM

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