Switchgears, can comprise some potential risks, some examples are: The enclosures, if any, may be pressurized with gas; Pressure-relief devices may open due to exceptional conditions, e.g. resulting from an internal arc. Commissioning, maintenance activities may require special attention due to the switchgear internal parts which are mostly not visible. List: limit access to the installation to people who are trained and authorized keep operators and other personnel instructed regarding risks and safety requirements including local regulations keep switchgear maintained and up to date acc to standard and manuals use remote control and have the interlocking system working as intended select equipment that minimizes the risk to personnel from improper operation (example: earthing switches on lines) coordinate the protection system with product properties (example: do not reclose on internal faults) prepare earthing procedures considering the difficulty of referring to and understanding the complex arrangement and operation of the switchgear label equipment clearly for easy identification of individual devices and gas compartments Advertisement
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