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cable calcs

Author: tovey carl
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. Ca
1. symbol for protective device
2. Ci
3. step 3
4. Cg
5. P ÷ root 3 x VL x PF
6. step 1
7. single phase formula
8. formula for It
9. P x 1.8÷V
10. step 2
11. symbol for design current
12. Tabulated current
13. formula for volt drop
14. current carrying capacity
15. It

Answers:
0. symbol for tabulated current
1. design current
2. 3 phase Ib formula
3. ambient temperature
4. cable grouping
5. step 4
6. reference method
7. Ib
8. In
9. thermal insulation
10. I =P ÷ V
11. step 5
12. formula if discharge lights
13. size of protective device
14. vd = mv/A/m x L x Ib ÷ 1000
15. In ÷ Cf
.