Contractor Books

Journeyman Plumber Exam Study Guide Based on the International Plumbing Code If you are looking into a career change and are interested in pursui...

Get one step closer to becoming a National G28 Journeyman Plumber with Gas with an online exam prep course and all of the approved references to he...

Get one step closer to becoming a National G27 Master Plumber with Gas with an online exam prep course and all of the approved references to help y...

Get one step closer to becoming a National G24 Master Plumber with an online exam prep course and all of the approved references to help you conque...

This comprehensive code compiles all building, plumbing, mechanical, fuel gas and electrical requirements for non-commercial one- and two-family dw...

the exam consists of 50 questions and you get 2 hours to compete the test. the minimum passing score is a 70%. Scope – Tests a candidate’s knowledg...

Scope – Tests a candidate’s knowledge of the installation, maintenance, repair, fabrication, alteration, and extension of heating, duct systems, an...

Scope – Tests a candidate’s knowledge of the design, installation, maintenance, repair, fabrication, alteration, and extension of air conditioning,...

the exam consists of 50 questions and you get 2 hours to complete the test. the minimum passing score is a 75%. Scope – Tests a candidate’s knowled...

This exam has 100 questions and is open book. You have a 4 hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowled...

This exam has 120 questions and is open book. You have a 4 hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowled...

This exam has 40 questions and is open book. You have a 2 hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowled...

This exam has 100 questions and is open book. You have a 4 hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowled...

This exam has 120 questions and is open book. You have a 4 hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowled...

Scope – Tests a candidate’s knowledge of sheet metal fabrication, intended for the installation, replacement, repair, alteration, and extension of ...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowle...

Scope – Tests a candidate’s knowledge of the installation, maintenance, repair, fabrication, alteration, and extension of air conditioning, refrige...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowl...

Scope – Tests a candidate’s knowledge of the installation, maintenance, repair, and alteration of refrigeration systems and related appurtenances i...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowle...

the exam consists of 80 questions and you get 3 hours to complete the test. the minimum passing score is a 70%. Scope – Tests a candidate’s knowled...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowle...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowl...

This exam has 50 questions and is open book. You have a 2-½ hour time limit with a minimum passing score of 70%. Scope – Tests a candidate’s knowle...