Owner's manual

4 — ElectriCalc Pro
(Cont’d)
NOTE: The temperature units can be
displayed in Celsius (°C) or Fahrenheit
(°F) by using the preference function
S Ö .
S 4 — Copper/Aluminum (Cu/Al)
Used to toggle between copper (de-
fault) and aluminum wire types. When
the wire type is revised, any calculated
wire size will be re-calculated automati-
cally. If a wire size is entered with the
wrong wire type, pressing S 4 will
change the material type without
changing the size. Displays: Al or Cu
S 5 —
Free Air (FrAir)
Sets calculator into Free Air mode,
which refers to NEC Table 310-17 for
wire size calculations. Displays: FrAir
S 6 —
60°C Wire Insulation
Sets calculator to 60°C wire insulation
type for wire size calculations. This is
the default setting. Displays: 60
S 7 —
75°C Wire Insulation
Sets calculator to 75°C insulation type
for wire size calculations. Displays: 75
S 9 —
90°C Wire Insulation
Sets calculator to 90°C insulation type
for wire size calculations. Displays: 90