Selection, standards, certification—in plain English. Skip the common pitfalls and buy right.
XLPE (cross-linked polyethylene) and XLPO (cross-linked polyolefin) are the two mainstream insulation/sheath materials for solar cables. This guide compares temperature rating, UV/weather resistance, flexibility, halogen-free flame retardancy and cost — and explains why PV cables favor XLPO.
Read article FAQArmenia's electrical system follows European IEC/EN with residual Soviet GOST. New PV and foreign EPC projects favor H1Z2Z2-K (EN 50618, DC1500V); PV1-F only suits small low-cost systems. Comparison table + FAQ.
Read article FAQA 70% tinned copper-clad aluminum (CCA) PV cable has a thin tinned-copper skin over an aluminum core, very different from solid copper. This guide explains why you must use CCA-specific MC4 crimp pins, covers galvanic corrosion, crimp-tool and diameter matching, and the UL/IEC certification compliance risk.
Read article FAQDecode the printed line 4мм² PVT12A-01-018 UL 1000V AWG12: it is a UL4703 North-American PV DC single-core cable (PV Wire). PVT12A-01-018 is a factory internal part number, not a UL standard model. Model breakdown, AWG12≈4mm², UL4703 vs EN 50618, and North America / CIS market notes.
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