Памятка по маркировки силовых проводов. В современном мире каждый сталкивается с электричестовм. Ценным является знание маркировки силовых проводов. К сожалению, после не профессионального монтажа маркировка не соотвествует действительности, строго рекомендуемо всегда пользоватся тестером.
Тем не менее в собственно работе, всегда нужно придерживаться стандартов и недопускать брака. В мире 220 вольт -это не сложно. «земля» — жёлто-зелёный «ноль» — синий провод, «фаза» — коричневый.
Силовой кабель
Маркировка проводов в трёхфазной системе электроснабжения.
Цветовая маркировка оболочек проводов в
силовом кабеле :
«земля» — жёлто-зелёный провод,
«ноль» — синий провод,
«фаза» — коричневый, красный, белый, чёрный, бело-чёрный, зелёный, серый провод.
Буквенное обозначение: L1 — фаза 1 (коричневый), L2 — фаза 2 (чёрный), L3 — фаза 3 (серый), N — ноль (синий), Pe - земля (желто-зеленый).
Многожильный силовой кабель
Многожильный кабель имеют цветовую кодировку жил :
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жёлто-зелёный — Нулевой заземляющий проводник PE (земля)
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синий — Нулевой рабочий проводник N (ноль)
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чёрный (коричневый) — Фазный проводник L (фаза)
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пожаробезопасные кабели FRLS
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FR- от англ. Fire Resistance (сопротивление огню)
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LS- от англ. Low Smoke (низкое дымовыделение)
Маркировка изоляционных материалов на проводе (кабеле) производится в буквенном выражении:
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Р — резина , изготовленная на основе натуральных и синтетических каучуков
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В — ПВХП (поливинилхлоридный пластик)
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П — полиэтилен
Маркировка европейских кабелей(произведенных по европейским лицензиям)
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har (harmonized) — продукция стандартизирована
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цифры 03, 05 или 07 — рабочее напряжение, соответственно 300/300, 300/500 или 450/750
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буквы v или r — тип изоляции, соответственно ПВХП или резина
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буквы U, R, K, F — тип проводника, соответственно цельный, многопроволочный, гибкий для стационарной проводки, гибкий.
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