The track can fully handle 20 Amps, but because of field installation conditions such as the quality of existing building wiring, track distance run, number of connections, etc., it is common practice to de-rate the track by 20%.
The 4th Amendment, one of the most contraversial amendments ever drafted, was added to the Bill of Rights on December 15, 1791. The idea of being secure in your home, however, goes back into the Pre-Revolutionary period.
James Madison, America's fourth President (1809-1817), made a major contribution to the ratification of the Constitution by writing The Federalist Papers, along with Alexander Hamilton and John Jay. In later years, he was referred to as the Father of the Constitution..