Electrical Calculations / Engineering

Merry Christmas
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Why run 3 wires to 208V-1PH FCU
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6
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2K
kwired
kwired
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Do you size the breaker for MFS of mech equipment?
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2
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5K
texie
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New York City Fire Alarm Code
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7
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3K
mdd1986
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Residential Ground Conductor Experiment
2 3 4
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67
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10K
kwired
kwired
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Sizing 3 phase transformers with one or two phases pulling much more current than the other(s)
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6
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2K
KyleFowler
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Series Rating, different breaker, same TCC
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5
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939
jim dungar
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Ieee std 45.7 question
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3
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993
Jraef
Jraef
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how did they get this
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1
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866
tortuga
tortuga
mbrooke
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"Rolling" Aux CT Circuit
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8
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1K
mbrooke
mbrooke
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CT on only one phase -what for?
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7
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2K
Todd0x1
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mshields
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receptacles in patient bathrooms - hospitals
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1
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1K
d0nut
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Study Question - Grounding Metal Handlhole Lids
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1
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872
I-learns
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Dsg319
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Ampacity adjustment question
2
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30
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6K
Carultch
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Arc Flash Protection for Switchgears, MCCs
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6
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2K
Jraef
Jraef
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Replacing HVAC equipment with like for like - Reuse OCPD’S?
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7
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2K
infinity
infinity
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240.21(C)(4)(b) Interpretation
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6
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1K
JoeStillman
JoeStillman
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Does my panel's AC unit limit the panels SCCR rating to 5kA?
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8
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3K
BN32
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Buck Boost XFMR
2 3
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43
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6K
kwired
kwired
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electric baseboard scope
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16
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2K
Hv&Lv
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Fire Alarm Panel in Type R-3 Residential?
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2
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666
JoeStillman
JoeStillman
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