Shura (20.04.2005 15:25, просмотров: 1) ответил Алексей Мусин на Похоже, что все-таки не так
:-) These requirements also cover double protection optical isolators that are employed in nominal 125 V, 50 or 60 Hz circuits in radio, video, and television equipment, and similar equipment in applications in which breakdown of the optical isolator may result in a risk of fire, electric shock, or injury to persons
Тесты Underwriter-a обычно нацелены в первую очередь на противопожарку.