add_action( 'init', 'my_deregister_heartbeat', 1 ); function my_deregister_heartbeat() { global $pagenow; if ( 'post.php' != $pagenow && 'post-new.php' != $pagenow ) wp_deregister_script('heartbeat'); }

ТРП, ТРВ по ТУ 16.К04.005-89. Провода телефонные распределительные однопарные.



Провода телефонные распределительные однопарные предназначены для стационарной скрытой и открытой абонентской проводки телефонной распределительной сети внутри помещений (ТРВ) и по наружным стенам зданий (ТРП).


ТОКОПРОВОДЯЩАЯ ЖИЛА – медная, мягкая. однопроволочная, диаметром 0,4 мм и 0,5 мм.
ИЗОЛЯЦИЯ – поливинилхлоридный пластикат для марки ТРВ и полиэтилен для марки ТРП наложена толщиной 0,7мм на две параллельно уложенные в одной плоскости жилы, которые изолированы и отделены одна от другой плоским основанием из того же материала размером 0,9х2,0 мм.


Масса, кг/км









Электрическое сопротивление токопроводящей жилы постоянному току пересчитанное на 1 км длины при температуре 20°С, не более: для жилы диаметром 0,4 мм — 148 Ом; для жилы диаметром 0,5 мм – 94 Ом.
Электрическое сопротивление изоляции проводов, пересчитанное на 1 км длины при температуре 20°С не менее: для проводов марки ТРП — 500 МОм, для проводов марки ТРВ – 30 МОм..
Рабочая температура: от -60°С до +65°С (для ТРП); от -40°С до +65°С (для ТРВ).
Провода стойки к воздействию повышенной влажности воздуха до 98% при температуре +35°С.
Разрывное усилие для провода ТРП 2х0,4 – 48Н, ТРП 2х0,5 – 73,5Н.
Монтаж проводов с полиэтиленовой изоляцией должен производиться при температуре не ниже -30°С, проводов с поливинилхлоридной изоляцией – не ниже -15°С.
Строительная длина – не менее 400 м, допускается поставка длинами не менее 40 м в количестве не более 10% от общей длины партии.
Срок службы проводов, не менее – для наружной прокладки – 12 лет; для внутренней прокладки – 25 лет.


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