Calculated-industries 5070-B User Guide Manual de usuario descargar pdf (Pagina 36)

User's GUide — 35

Sizing Parallel Conductors

What size 60°C insulated Copper Wire is required for a single

conductor carrying a 500 Amp load in a Free Air environment (30°C

Ambient Temperature.)? What size for two Parallel conductors? For

three conductors?

KEYSTROKE DISPLAY



1. Set to 60º C:

(60º)

60 0.

2. Set to Copper (if necessary):

(Cu/Al)

60 Cu 0.

3. Set to Free Air mode:

(FrAir)

60 Cu FrAir 0.

4. Enter Amps:



AMPS 500.

5. Find Wire Size for one conductor:



AWG 500 CU WIRE SIZE

6. Find Wire Size for two conductors:



PAR 000 CU WIRE SIZE

7. Find Wire Size for three conductors:



PAR 0 CU WIRE SIZE

8. Exit Free Air Mode and Clear:

 60 Cu 0.

Note: Parallel Wire Sizes smaller than 1/0 will be displayed as nonE.

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Calculated-industries 5070-B User Guide Manual de usuario Pagina 36