NC H-2 Exam Prep Student Manual-Study Guide is included in course fee and shipped via USPS within 24 hours, tracking information will be forwarded via email. We’ll cover the NC Code-based business and technical test questions and testing techniques, residential and commercial load estimating and duct design. Class time: 7:00 am – 5:00 pm daily Links to join your class will be emailed 3 days prior to class start date. Contact your course administrator at 919-805-9900 if you don’t receive a confirmation email with USPS tracking, receipt and GoToMeeting Links for your upcoming class.