Below is a complete, industry-standard list of ELECTRICAL MATERIALS used in COMMERCIAL BUILDINGS, with clear uses.
This applies to offices, malls, hospitals, hotels, schools, IT parks, airports, and high-rise commercial buildings.
1. Power Supply & Distribution Equipment :::----
Material Uses :-
A. Transformer - Step-down high-voltage power
B. Main LT Panel - Primary power distribution
C. HT Panel / RMU - High-tension power control
D. Distribution Board (DB) - Circuit-wise power distribution
E. Busbar Trunking System - High-capacity power transfer
F. Sub-Distribution Board (SDB) - Floor/zone distribution
G. Meter Panel - Energy measurement
H. UPS Panel - Backup power distribution.
2. Switchgear & Protection Devices ::----
Material Uses :-
A. ACB (Air Circuit Breaker) - Main incomer protection
B. MCCB - Heavy-load circuit protection
C. MCB - Individual circuit protection
D. RCCB / ELCB - Earth leakage protection
E. RCBO - Combined overload & leakage protection
F. Surge Protection Device (SPD) - Protect from voltage spikes
G. Isolator Switch - Manual power isolation.
3. Cables & Wires (Commercial Grade) ::----
Material Uses :-
A. XLPE Power Cables - Main power supply
B. Armoured Cables - Underground installations
C. Copper Wires - Internal wiring
D. Aluminium Cables - High-capacity feeders
E. FRLS Cables - Fire-resistant wiring
F. Control Cables - Equipment control
G. Data & Communication Cables - IT & networking.
4. Cable Management Systems ::----
Material Uses :-
A. Cable Trays - Route power cables
B. Cable Ladders - Heavy cable support
C. GI Conduits - Concealed wiring
D. PVC Conduits - Light wiring
E. Trunking Systems - Organized cable routing
F. Flexible Conduits - Equipment connections.
5. Lighting System Components ::----
Material Uses :-
A. LED Panel - Lights Office lighting
B. Downlights - Decorative lighting
C. High-Bay Lights - Warehouses, halls
D. Flood Lights - Outdoor lighting
E. Street Lights - Parking & roads
F. Emergency Lights - Power failure lighting
G. Exit Sign Boards - Safety compliance
H. Lighting Control Panels - Lighting automation.
6. Switches, Sockets & Accessories ::----
Material Uses :-
A. Modular Switches - Control lighting & power
B. Power Sockets (6A–32A) - Equipment power
C. Industrial Sockets - Heavy-load machinery
D. Key-Operated Switches - Restricted access
E. Timer Switches - Automated control
Dimmers Light intensity control
7. Backup & Emergency Power Systems ::----
Material Uses :-
A. Diesel Generator (DG) - Emergency power
B. Online UPS - System IT & critical loads
C. ATS Panel - Auto power changeover
D. Battery Bank - Power storage
E. Emergency Power Panel - Critical circuit supply.
8. Earthing & Lightning Protection ::----
Material Uses :-
A. Earthing Electrodes - Ground fault protection
B. Copper / GI Earthing - Strip Earthing network
C. Earth Pit - Chamber Inspection access
D. Lightning Arresters - Lightning protection
E. Surge Earthing - Transient voltage control.
9. Automation, Control & BMS ::----
Material Uses :-
A. BMS Panel - Central building control
B. PLC Panels - Automation control
C. Occupancy Sensors - Energy saving
D. Timer Controllers - Scheduled operations
E. Smart Meters - Energy monitoring
F. Relay Modules - Switching control.
10. Fire Alarm & Safety Electrical Systems ::----
Material Use :-
A. Fire Alarm Control Panel - Fire detection management
B. Smoke Detectors - Early fire detection
C. Heat Detectors - High-temperature detection
D. Manual Call Points - Emergency alerts
E. Sounders & Hoooters - Audible warning
F. Fire-Rated Cables - Fire-safe wiring.
11. Low-Voltage & Communication Systems ::----
Material Uses :-
A. LAN Cabling (Cat-6/6A) - Networking
B. Optical Fiber Cable - High-speed data
C. CCTV System - Surveillance
D. Access Control System - Security
E. Public Address System - Announcements
F. Video Door Phone - Entry control.
12. Installation & Testing Materials ::----
Material Uses :-
A. Cable Glands - Secure cable entry
B. Lugs & Ferrules - Cable termination
C. Insulation Tape - Joint insulation
D. Labels & Markers - Circuit identification
E. Multimeter - Electrical testing
F. Megger - Insulation testing.
✅ COMMERCIAL ELECTRICAL SUMMARY :::-----
Commercial electrical systems focus on: ✔ High-capacity power :-
✔ Safety & protection
✔ Energy efficiency
✔ Automation & monitoring
✔ Fire & emergency compliance.
