-Grade 1plantsare those thatcan be installed withoutconnection tocentral station.
-Grade 2plantsareplantsthat can be connectedtoalarm systemsin domesticsmall businessesand so on.
-Grade 3plantsareplants thatmust be installed insuchjewelryor gas stationsamong others, andall materials relatedtothis plantwillhave the samedegreecertified by theEN50131standardfor this reasonwe report thatnon-complianceof these rulesmay result in severeeconomic sanctions.