PVC Duct usually refers to rigid or semi-rigid ducts/trunking made from PVC (Polyvinyl Chloride) used to route, protect, or distribute cables, air, or fluids, depending on the application. What PVC Ducts Are Used For Electrical & Cable Management Routing power, control, and data cables Common in panels, substations, factories, and buildings Protects cables from mechanical damage and dust HVAC & Ventilation Light-duty air ducts for exhaust or fresh air Used where corrosion resistance is required Industrial & Utility Applications Chemical plants (acid/alkali resistant) Underground or surface installations Key Features Corrosion resistant (unlike metal ducts) Lightweight & easy to install Good electrical insulation Flame-retardant grades available Low maintenance & long life Common Types of PVC Ducts Slotted PVC Duct (Wiring Duct) Used inside electrical panels Finger-type slots for easy wire branching Solid PVC Trunking Used for surface wiring Comes with snap-on covers Rectangular PVC Air Duct Used in ventilation systems Flexible PVC Duct For bends and vibration-prone areas Typical Sizes (Electrical Ducts) 25×25 mm 40×25 mm 50×50 mm 75×50 mm 100×50 mm (Available in standard 2 m lengths) Standards & Grades (Common in India) Self-extinguishing (FR) PVC UL 94 V-0 / V-2 (for panel ducts) RoHS compliant IS/IEC compliant (depending on manufacturer)