United States and Spain that divided their North American claims along a line from the southeastern corner of what is now Louisiana, north and west to what is now Wyoming, thence west along the latitude 42° N to the Pacific. Thus, Spain ceded Florida and renounced the Oregon Country in exchange for recognition of Spanish sovereignty over Texas.
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In many parts of the country, the wiring method in unfinished basements is non-metallic-sheated cable in the ceiling and EMT on the walls for receptacles and switches.
This cable is flexible and is covered by plastic sheathing to protect the conductors that are insulated. In 1922, the company Romex created this type of cable. The use of this material became common in the 1960s when woven rayon was replaced by plastic. Architects started to use this Non-Metallic cable in American houses for electrical wiring. As it was hidden, it did not mess with the house decoration. Another great advantage of its popularity is that it is non-expensive.
