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Ground Function Keys
[Grnd] — Ground
An output-only key used to find the
grounding electrode conductor size for
AC systems based on NEC Table
250-66 and an entered or calculated
service-entrance
size). Only actual wire sizes are consid-
ered valid entries.
First Press
Calculates the copper grounding elec-
trode conductor size if you have entered
a valid wire size.
Displays: GRND CU WIRE SIZE
Second Press
Displays the aluminum grounding elec-
trode conductor size.
Displays: GRND AL WIRE SIZE
Third Press
Displays the circular mil area used to
calculate the grounding electrode con-
ductor size. Displays: CMIL WIRE
14 — ElectriCalc LT
conductor
(largest
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