Calculations for the Electrical Exam 2014 NEC by Tom Henry
2014 Calculations Exam Questions and Answers contains nine chapters of solid calculation instruction that cover:
Continuous loads
Branch circuits
Ampacity and correction factors for ambient temperatures and neutral conductors
Conductor terminations per 110.14(C)
Advantages of using 90 degree Celsius conductors (THHN)
Calculating motor overload protection, along with overcurrent protection and wire sizing for the branch circuit and feeder for single phase and three phase motors
Sizing taps
Box/conduit sizing, along with straight pulls, angle pulls and U pulls for conductor sizes #4 and larger
Residential and commercial cooking equipment, single phase ranges on a three phase system
Calculating commercial & dwelling service sizes
Paralleling conductors
Panelboard sizing
and more....
Includes five Journeyman and five Master practice exams and answers.
Calculations for the Electrical Exam 2014 NEC by Tom Henry
2014 Calculations Exam Questions and Answers contains nine chapters of solid calculation instruction that cover:
Continuous loads
Branch circuits
Ampacity and correction factors for ambient temperatures and neutral conductors
Conductor terminations per 110.14(C)
Advantages of using 90 degree Celsius conductors (THHN)
Calculating motor overload protection, along with overcurrent protection and wire sizing for the branch circuit and feeder for single phase and three phase motors
Sizing taps
Box/conduit sizing, along with straight pulls, angle pulls and U pulls for conductor sizes #4 and larger
Residential and commercial cooking equipment, single phase ranges on a three phase system
Calculating commercial & dwelling service sizes
Paralleling conductors
Panelboard sizing
and more....
Includes five Journeyman and five Master practice exams and answers.