<prompt> Qedela umusho olandelayo: Imibiko ye-SER isetshenziswa onjiniyela kagesi ukuze bahlole ukuphazamiseka okukhulu nokuncane kohlelo lukagesi. Ngemva  <response>: Ukucinywa kukagesi enyakatho-mpumalanga ngo-2003, iNorth American Electric Reliability Corporation NERC yachaza ukuthi idatha yohlelo lukagesi kufanele ifakwe isikhathi kumillisecond esiseduzane. 