![]() ![]() Piping shall be supported at distances not to exceed those indicated in Table P2605.1.A change of flow direction into a vertical pipe shall not require the upstream pipe to be braced. Where horizontal pipes 4 inches (102 mm) and larger convey drainage or waste, and where a pipe fitting changes the flow direction greater than 45 degrees (0.79 rad), rigid bracing or other rigid support arrangements shall be installed to resist movement of the upstream pipe in the direction of flow.Hangers and strapping shall be of approved material that will not promote galvanic action. I, personally did not take a prep course but did use some of the practice test from this book, The first 6 tests in this book, through residential wireman, are more on par with the appliance installer test. Hangers and anchors shall be of sufficient strength to maintain their proportional share of the weight of pipe and contents and of sufficient width to prevent distortion to the pipe. For general test from residential wireman to Master, you can purchase the book of practice tests from ray holder electrical seminars.The following dates are currently setup for online live training. Piping in the ground shall be laid on a firm bed for its entire length, except where support is otherwise provided. COVID-19 UPDATEJANUARY 2024 - DEC 2024 Live Online TrainingAll classes are now conducted as an 'instructor led live online class'. ![]() Piping shall be supported to ensure alignment and prevent sagging, and allow movement associated with the expansion and contraction of the piping system.Piping shall be supported in accordance with the following: ![]()
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