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# Forum: Electrical Calculations / Engineering

1. ### Sticky: Understanding the Neutral Conductor

• Replies: 0
• Views: 8,519
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: 14
• Views: 196
Today, 01:28 PM
2. ### UL 508A Sizing feeder Circuit

• Replies: 6
• Views: 154
Today, 11:59 AM
3. ### Larger conductors save money.

• Replies: 21
• Views: 1,111
Yesterday, 05:24 PM
4. ### Which are the correct values to use in load calcs?

• Replies: 3
• Views: 232
06-24-19, 08:29 PM
5. ### Custom automatic transfer switching enclosure advice needed

• Replies: 5
• Views: 340
06-23-19, 01:05 PM
6. ### 208/120V 4-Wire Feeders. How do I decide if neutral is current carrying?

• Replies: 4
• Views: 181
06-23-19, 07:49 AM
7. ### Heated floor ohms is off the chart

• Replies: 3
• Views: 257
06-23-19, 06:31 AM
8. ### Input Wattage for mix and match ballast & lamps

• Replies: 4
• Views: 261
gar
06-22-19, 02:47 PM
9. ### 120V Service Feed to 240V Panel

• Replies: 3
• Views: 211
06-22-19, 01:39 PM
10. ### Arc Flash question

• Replies: 3
• Views: 232
06-21-19, 11:44 AM
11. ### How to factor high-wattage appliances into load calcs & branch circuit design?

• Replies: 10
• Views: 437
06-21-19, 06:26 AM
12. ### Modifying Existing MCC

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

• Replies: 7
• Views: 381
06-20-19, 10:10 AM
14. ### Fuse or Breaker to protect Heat Pump

• Replies: 9
• Views: 456
06-19-19, 08:49 PM

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