This license includes the installation, repair, or improvement of fire alarm systems that operate at 50 volts or less. Our program takes you through each one of the reference books that the exam is based on showing you exactly what to highlight. There are optional practice tests as well. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.