Calculated Industries ElectriCalc Pro 5060 User Manual page 19

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 conductor (largest
size). Only actual wire sizes are con-
sidered valid entries.
First Press
Calculates the copper grounding elec-
trode conductor size if you have en-
tered 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.
User's Guide — 17