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⚡ Electrical Blog

⚡ Electrical Guides & How-Tos

Every article below solves one real job with real numbers — then hands you to the calculator to run your exact dimensions.

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🧮 Electrical · Open calculator 📖 All Guides

Какое сечение на цепь 20 А?

Медь 12 AWG на 20А: допустимый ток, правило 80% и увеличение.

Падение напряжения на 100 футах: лечится сечением

Формула 2KIL/CM для 100 футов при 120В, правила и порог 60 футов.

Сколько проводов в трубе ПВХ 3/4"?

Правило 40%: сечения THHN по калибрам, снижение и увеличение трубы.

Мой щит 200А перегружен? Посчитаем

Нагрузка 80А плюс новые цепи против 200А, коэффициенты и апгрейд.

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🏗️ Concrete 🎨 Painting 🔧 Plumbing 🏠 Flooring 🛖 Roofing 🧱 Masonry ⛏️ Excavation 💡 Ceiling 🪨 Gravel 🏜 Sand 🪜 Stairs ⬜ Drywall 🚧 Fence 🔩 Rebar 🪓 Lumber 🌡 Insulation 🪵 Decking 🟧 Pavers 💨 HVAC 🚰 Water Tank 🐜 Anti-Termite 🪟 Shuttering 🚚 Backfill 🖌 Plastering 💧 Waterproofing 🌿 Landscaping ☀️ Solar Panel 🚽 Septic Tank 🏛 Beam/Column ✂ Tile Cutting 🔨 Wall Framing 📐 Rafter Length 🪚 Board Foot 🧶 Carpet 📜 Wallpaper 🛣️ Asphalt 🍂 Mulch 🪴 Topsoil 🌱 Sod & Turf ⬛ Block Wall