This comprehensive electrical drawing set details the complete electrical installation for a three-story residential building with basement, ground floor, and first floor. This package includes lighting layouts, power distribution plans, and low current systems with precise circuit routing. Key specifications include TP MCB ratings (40A-80A), distribution boards for each level (DB-B, DB-G, DB-F), and conductor sizing from 1.5mm² for lighting to 25mm² for main feeders. The design features solar panel integration with dedicated 38mm conduits, earthing systems with copper rods, and split A/C units (1.5-2TR) throughout the residence. Special attention given to waterproof fixtures for external applications with IP ratings appropriate for outdoor installation. The system employs a hierarchical distribution approach with dedicated circuit protection for lighting (10A MCBs), general power (16A MCBs), and heavy loads like A/C units (20A MCBs). Particularly noteworthy is the strategic separation of essential and non-essential loads to facilitate backup power via generator/solar during outages.
Residential 3-Story Electrical System layout with Solar Integration
