What is cat 2 cat 3?
What is cat 2 cat 3? A CAT II rating is the second lowest rating that a multimeter can be given. CAT II multimeters are approved to handle appliances, portable tools, and other household loads. A CAT III rating is the second highest rating a multimeter can receive. CAT III meters are approved for use on distribution circuits.
What does the ILS stand for?
Instrument Landing System (ILS)