[NEW MEXICO (NM) ER?1J Journeyman Residential Wiring (Part 1 - Code Exam) Exam Success Course] Our ER-1J Journeyman Residential Wiring Practice Course (Part 1) focuses on the code requirements essential for the journeyman-level residential wiring exam. This course provides a thorough review of electrical codes and regulations specific to residential wiring, including safety standards, installation practices, and compliance requirements. Through practice questions and detailed answer rationales, you will gain a deep understanding of the code-related aspects of residential wiring. This preparation is crucial for passing the code exam and advancing your career as a journeyman electrician in New Mexico.