1. Circuit Breaker sizes
• 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 180A, 200A, 250A,
300A, 350A, 400A, 630A, 800A, 1000A, 1500A, 1600A, 2000A, 2500A, 3000A, 3500A, 4000A,
4500A, 5000A
• 6A – 63A - Miniature circuitBreakerwith SP& TPN
• 64A- 800A – MouldedCase CircuitBreaker
• Above 800A – AirCircuitBreaker( forLow tensionSide)
• For HighTensionside VCB, SF6
Transformer sizes
10KVA, 20KVA, 25KVA, 30KVA, 32kVA, 40KVA, 45KVA, 50KVA, 63KVA, 100KVA, 200KVA,
250KVA, 315KVA, 350KVA, 400KVA, 500KVA, 630KVA, 750KVA, 1000KVA, 1250KVA, 1500KVA,
2000KVA, 2500KVA, 3500KVA, 4000KVA, 5000KVA.
NOTE:-
Upto 1500KVA transformer we can take the point of supplyas 11KV
Upto 3000KVA transformer we can take the point ofsupply as 33kv
Upto 5000KVa and above we can take the point ofsupply from66/132kv.
Diesel Generatorsizes
1KVA, 2KVA, 1.5KVA, 2KVA, 3KVA, 4KVA, 6KVA, 8KVA, 10KVA, 25KVA, 30KVA, 50KVA, 63KVA,
75KVA, 100KVA, 132KVA, 160KVA, 200KVA, 225KVA, 320KVA, 400KVA, 500KVA, 630KVA,
750KVA, 800KVA, 1000KVA, 1250KVA, 1450KVA, 1500KVA, 1600KVA, 1800KVA, 2000KVA,
2500KVA, 3000KVA, 3500KVA, 4000KVA, 5000KVA
UPS SIZES
• .5KVA, 1KVA, 1.5KVA, 2KVA, 3KVA, 4KVA, 5KVA, 7.5KVA, 10KVA, 12KVA, 15KVA, 20KVA,
25KVA, 30KVA, 32KVA, 40KVA, 45KVA, 50KVA, 63KVA, 70KVA, 75KVA, 80KVA, 100KVA,
120KVA, 132KVA, 140KVA, 150KVA, 163KVA, 170KVA, 180KVA, 200KVA
Abbrevations
• MDB - Main DistributionBoard
• SMDB – Sub Main DistributionBoard
• LDB - Lighting DistributionBoard
2. • PDB - PowerDistributionBoard
• MCC - Motor Control Centre
• PCC - Power Control Centre
• ATS - Automatic Transfer Switch
• APFCP– Automatic Power Factor Correction Pannel
• MCB - Miniature Circuit Breaker
• MCCB - MouldedCase Circuit Breaker
• ACB -AirCircuit Breaker
• SF6 - Sulphur Hexa Fluoride CircuitBreaker
• VCB - Vaccum Circuit Breaker
• LBS – Load Breaker Switch
• ABS – Air Breaker Switch
• HTSFU- High TensionSwitch Fuse Unit
• VSS - Voltage SelectorSwitch
• ASS - Ampere SelectorSwitch
• AMF- Auto Main Failure
• AVR – Automatic Voltage Regulator
• BDV – Break Down Voltage
• BIS - Bureau Of Indian Standards
• CEB - Central ElectricityBoard
• COS - Change Over Switch
• CPRI – Central Power researchInstitute
• CTRC – Central Tariff Regulatory Commission
• ELCB - Earth Leakage Circuit Breaker
• ELR - Earth Leakage Relay
3. • FDB - Fuse Distribution Board
• GCP - GeneratorControl Panel
• GI - GalvanizedIron
• GLS - General LightingService
• HBC - High Breaking Capacity
• HRCF – High Rapturing Capacity Fuse
• IER - Indian ElectricityRule
• IP - Ingressprotection
• ISI - Indian standard Institution
• OLR - Over Load Relay
• LED - Light Emitting Diode
• MSB – Main Switch Board
• NEC – National Electrical Code
• NGR – Neutral GroundResistor
• OCR – Over CurrentRelay
• OLTC – On Load Tap Changer
• OTI - Oil temperature Indicator
• PMCC- Power and Motor Control Centre
• RCCB – Residual Current circuit breaker
• ROCB- residual over CurrentCircuit Breaker
• SWG – Standard Wire Guage
• WTI – Windingtemperature Indicator
• VVVF–Variable Voltage Variable Frequency
• DOF – Drop Out Fuse
• ACDB – AlternatingCurrent DistributionBoard
4. • DCDB – Direct Current DistributionBoard
• MPDB- Main PowerDistributionBoard
• MCP – Motor Control Panel
• MLDB – Main Lighting DistributionBoard
• ELDB – EmergencylightingDistributionBoard
• SMFB – ShieldMaintenance Free Battery
• JB - Junction Box
• TB - TerminalBox
• PB - Push Button
• LCB – Local Control Board
• LCS - Local Control Station
• NO - NormallyOpen
• NC - Normally Closed
• Entrance Hall - 300 Lux
• Master Bedroom - 250Lux
• Bed Room - 220 Lux
• Kitchen - 300 Lux
• DiningArea - 200 Lux
• UtilityRoom - 150 Lux
• Corridors - 70 Lux
• Store Room - 200 Lux
• Toilet& Bath Room - 150 Lux
• Parking Area - 100 Lux
• Telephone Exchange Room -200 Lux
6. • Office - 300Lux
• Bank - 300Lux
• Pharmacy Shop- 250Lux
• AHU Room - 150Lux
• ConsultantRoom - 300Lux
• Seminar Hall - 500Lux
• Canteen - 200Lux
• Rest Room - 150Lux
• ServerRoom - 250Lux
• Training room - 300Lux
• Blood Bank - 300Lux
• ATM Centre - 400Lux
• Entrance Hall - 4 Normal Sockets
• Master Bedroom - 3 Normal Sockets, 1 Powersocket
• Bed Room - 2 Normal Sockets,1 Powersocket
• DiningArea - 2 Normal Sockets
• Kitchen - 4 to 6 PowerSockets
• Toilet - 1Normal Socket, 1 Power socket
• UtilityRoom - 1 PowerSocket
• Corridor - 1 Normal socket
• Balcony - 1 Normal socket
• NBC - National BuildingCode
• NEC - National Electrical Code
• IEC - International Electro Technical Commission
7. • IER - International ElectricityRules
• IS - Indian Standards
• BS - British Standards
• BEE - Bureau Of Energy Efficiency
• NFPA - National Fire ProtectionAssociation
• NEMA - National Electrical Manufacturing Association
•