Journeyman Electrician practice test 1 With
Solutions 100% Solved
What is the K-factor for copper and aluminum? Copper: 12.9
Aluminum : 21.2
How to find the K-factor Chapter 9,table 8
Multiply resistance of conductor per foot by the Circular mils size of the conductor
Where do I find conductor properties Chapter 9, table 8
Where do I find the Full load current for 3 phase, alternating current motor 430. 250
Motor in a continuous duty application shall have a ampacity of not less then 125%
Where do I find conductor size for its ampacity Table 310. 15 (b) (16)
Where do I find standard fuse or breaker size in NEC? 240. 6
Solutions 100% Solved
What is the K-factor for copper and aluminum? Copper: 12.9
Aluminum : 21.2
How to find the K-factor Chapter 9,table 8
Multiply resistance of conductor per foot by the Circular mils size of the conductor
Where do I find conductor properties Chapter 9, table 8
Where do I find the Full load current for 3 phase, alternating current motor 430. 250
Motor in a continuous duty application shall have a ampacity of not less then 125%
Where do I find conductor size for its ampacity Table 310. 15 (b) (16)
Where do I find standard fuse or breaker size in NEC? 240. 6
