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Category:Electrical
Subcategory:MBD-BD-SDB
MDB is panel under power distribution system which consists of a fuse, circuit breakers and ground leakage protection units. Where electrical energy is taken from a transformer 1 or an upstream panel to distribute electrical power to numerous individual circuits or consumer points.
Physically inspect cable length for any damage and peel off of outer sheath
Inspect and confirm all cable endings (Breaker / Busbar / Terminal Blocks cables) including phase sequence/rotation and isolation sleeve.
Clean the panel before the tests, conduct the Megger test to check the insulation resistance. Minimum Insulation Resistance is 20 MΩ. Rectify problem if reading obtained is below 20 MΩ.
After physical inspection and megger test are passed or rectified, Turn ON the panel respectively while at the “OFF” position receiving the end incoming breaker.
Record the instrument reading.
Pad Lock receives the end Panel Incoming circuit breaker in the “OFF” position and returns the key to the administrator who keeps the key inside the key box.
Clean the area of the panel from conducting materials. Arrange and lay approved rubber mat around “energized” panel.
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