Wiring check equipment specifically for the Class 2 Electrician Skills Test. - Product Name: Class 2 Electrician Skills Test Wiring Checker - Accessories: Connection cable, outlet adapter - Purpose: Preparation for the Class 2 Electrician Skills Test - Features: Specialized equipment for wiring checks This is a wiring checker I purchased for the practical exam. I practice wiring based on 13 different wiring diagrams, and with this kit, I can check for myself if the connections are actually correct.