Electrical Calculations / Engineering

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wire & cable de-rating for elevation
Replies
1
Views
608
Julius Right
Julius Right
J
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480V chiller supplied at 208V
Replies
14
Views
1K
Jraef
Jraef
C
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Sizing of feeder conductors and transformer, with consideration of future electrical loads.
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14
Views
786
tom baker
tom baker
K
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Transition from underground PVC to smaller stub-up above ground
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6
Views
749
ptonsparky
ptonsparky
O
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Calculation of the X0/R0 ratio for a Zig Zag transformer
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2
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1K
synchro
synchro
P
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Running paralleled MC Cables that requires EGC adjustment
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7
Views
751
tom baker
tom baker
E
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Sizing UPS from 3-Phase 208V Panelboard using 120V Single Phase Loads Calculation
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2
Views
376
JoeStillman
JoeStillman
Grouch1980
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Incoming Electrical Service
Replies
7
Views
1K
Grouch1980
Grouch1980
A
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HIC Testing (UL 489)
Replies
2
Views
765
Jraef
Jraef
B
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240volt to 240 volt transformer over current protection
Replies
4
Views
495
ptonsparky
ptonsparky
Grouch1980
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Location of Apartment Panels
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5
Views
550
Grouch1980
Grouch1980
P
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Voltage conversion question
Replies
5
Views
413
LarryFine
LarryFine
P
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20a 120v (2) networks #12 THHN derating
2
Replies
35
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2K
infinity
infinity
PE (always learning)
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Auto transformer secondary available fault current
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11
Views
2K
jim dungar
J
S
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Voltage Drop Across a Distance
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3
Views
631
zbang
Z
Jpflex
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Series capacitor
Replies
15
Views
1K
kwired
kwired
O
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Generator for elevator
Replies
8
Views
1K
JoeStillman
JoeStillman
P
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40 amp 480 Volt Three Phase "Baler"
Replies
7
Views
701
kwired
kwired
D
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Electrical question how to solve?
2
Replies
30
Views
3K
JoeStillman
JoeStillman
Tainted
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Feeding (3) 3-wire 120/208V single phase apartments using a 3 phase circuit
Replies
6
Views
652
JoeStillman
JoeStillman
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