Daily Inspection: Visually inspect the busbars for any abnormalities such as cracks, rust, deformation, or discoloration. How do you check and maintain busbars? What are the faults of busbar? What is bus bar in DB? For complete safety instructions and precautions, always refer to the test equipment instruction manual. This. The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. Following tools and equipment shall be arranged before the activity. Earth tester Multimeter I Continuity tester Megger Tester Technician's tools Calibration. This busbar test is prepared to carry out various pre-commissioning tests to be conducted in a systematic manner for Panel Bus bar to ensure the healthiness and performance of the Bus Bar This procedure covers the Pre commissioning test for Bus Bar as for the following Ensure proper earthing and. Busbars play a crucial role in electrical systems, facilitating the transmission of electrical energy from the source to various consuming devices. Busbar inspection is a critical maintenance process that ensures electrical distribution systems remain safe, efficient, and reliable.