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Panels in a substation are provided to support the various equipment like meters, relays etc. It saves the horizontal space and facilitates the supervisory staff record readings easily. All the panels are properly grounded.
Special type of fire extinguishers are installed in a substation to quench electric fire in case of a fire accident because ordinary fire extinguisher or water cannot be used to quench electrical fire as it is dangeours . They are provided in accessible position and every one in the substation must know its operation