Electrical Calculations / Engineering

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Conduits inside Conduit
2
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36
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5K
Grouch
Grouch
Tip DS
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Drive Isolation Transformers: 450.3 vs 430.52 OCPD
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1
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559
winnie
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Table 250.102(C)(1) with parallel conductors
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10
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Juandsriv
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W
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NEC 220.84 Transformer Sizing for Multiple Mulifamily Buildings
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5
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1K
wowsk
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S
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Temperature derate for direct sunlight?
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3
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1K
brycenesbitt
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Grouch
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Apartment load on house panel
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14
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2K
brycenesbitt
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C
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Sizing MCB for Panelboard
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1
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1K
electrofelon
electrofelon
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Table 314.16A FS/FD single vs. multiple cover explanation
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0
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661
PaullyB
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D
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Fire Pump Service Calculations
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3
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garbo
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11bgrunt
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3 phase Screw Compressor on an Add-A-Phase.
2
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26
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4K
kwired
kwired
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Synchronous Condensor (SC) or Hybrid Synchronous Condensor (H-SC) for Steel Making Plants (SMP)
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0
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518
Joao
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PVC Expansion
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4
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997
Barbqranch
Barbqranch
Tip DS
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UL 508a Panel Disconnect size vs Motor Branch Circuit OCPD size
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1
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956
petersonra
petersonra
E
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Temporary Junction Box
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0
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603
EAF
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Please help me with this HVAC load calculation
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1
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647
roger
roger
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NEC Table 450.3(B) - Transformer Primary OCPD Size
2
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21
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8K
jim dungar
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Motor disconnect handle - color requirements
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0
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673
emiller233
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Tainted
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1 apartment 2 meters in NYC
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16
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3K
Tainted
Tainted
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65ka SCCR
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8
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3K
Tip DS
Tip DS
A
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VFD breaker / conductor coordination
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3
Views
854
petersonra
petersonra
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