Electrical Calculations / Engineering

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Service Disconnect Location
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6
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931
augie47
augie47
J
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Questions regarding question on elevator max available fault current on primary and secondary side of fused disconnect??
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17
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3K
petersonra
petersonra
G
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wire & cable de-rating for elevation
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1
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1K
Julius Right
Julius Right
J
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480V chiller supplied at 208V
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14
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2K
Jraef
Jraef
C
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Sizing of feeder conductors and transformer, with consideration of future electrical loads.
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14
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2K
tom baker
tom baker
K
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Transition from underground PVC to smaller stub-up above ground
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6
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1K
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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2K
synchro
synchro
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Running paralleled MC Cables that requires EGC adjustment
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7
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1K
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
847
JoeStillman
JoeStillman
Grouch
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Incoming Electrical Service
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7
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2K
Grouch
Grouch
A
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HIC Testing (UL 489)
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2
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2K
Jraef
Jraef
B
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240volt to 240 volt transformer over current protection
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4
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1K
ptonsparky
ptonsparky
Grouch
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Location of Apartment Panels
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5
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1K
Grouch
Grouch
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Voltage conversion question
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5
Views
871
LarryFine
LarryFine
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20a 120v (2) networks #12 THHN derating
2
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35
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4K
infinity
infinity
PE (always learning)
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Auto transformer secondary available fault current
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11
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4K
jim dungar
J
S
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Voltage Drop Across a Distance
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3
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2K
zbang
Z
Jpflex
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Series capacitor
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15
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2K
kwired
kwired
O
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Generator for elevator
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8
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2K
JoeStillman
JoeStillman
P
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40 amp 480 Volt Three Phase "Baler"
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7
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1K
kwired
kwired
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