The Grades come about by ACPO (Association of Chief Police Officers), Insurance Companies, British & European Standards Institutions, oh, and don't forget the Alarm Cos different associations, sitting around tables for months and months arguing about all the ins and outs that have to do with all the legalities of each country's requirements.
In general, the above is followed by the UK section of Europe, the rest, as with everything else, do as they please.
From somewhere within documents printed by the above, many years before you even thought about alarm systems, is where my quote came from, so sorry I did not use " ", here are a couple for you.
In general, the above is followed by the UK section of Europe, the rest, as with everything else, do as they please.
From somewhere within documents printed by the above, many years before you even thought about alarm systems, is where my quote came from, so sorry I did not use " ", here are a couple for you.