Examples of EDTV sources are: 1  DVD players featuring DVI / HDMI outputs (with built-in HDTV scalars) 2  Video image processors (scalers) 3  Digital cable Set Top Boxes (STB) that offer EDTV service. 4  Digital satellite receivers that offer EDTV service (i.e.
All PEX pipe must meet the same. qualification requirements as specified in the PEX. Standards. Continuous use temperature ratings as high. as 200Â°F (93Â°C) are required as well as standardized. chlorine resistance testing to ensure that the piping will. withstand the most aggressive drinking water conditions.
Some of the most common temperature ratings used in the wire and cable industry are discussed below. Maximum Operating Temperature. This is the temperature rating that most cable users think of first. It is usually defined as the maximum continuous temperature that the wire can withstand during its lifetime.