Thumb Rule for any Electrical Projects / Hobby / DiY
- Post by : Srikanth Kamath
- Oct, 12 2018
- Calculation & Thumb Rules for Electrical DiY, Technicals
- DIY, electrical, electrical thumb rules
- 0 Comment
mandatory for any project
list of thumb rule listed herewith
- Cable Capacity
- Current Capacity of Equipment
- Earthing Resistance
- Minimum Bending Radius
- Insulation Resistance
- Lighting Arrestor
- Transformer
- Diesel Generator
- Current Transformer
- Quick Electrical Calculation
- Contactors Types
Thumb Rules
Cable Capacity
Current Capacity of Equipment
Minimum Bending Radius
Insulation Resistance
Lighting Arrestor
Transformer
Diesel Generator
Current Transformer
Contactors Specifications
Type of Contactor
Contactor Coil Types
a few more Rules
Size of Capacitor for Power Factor Correction
Voltage Limit (As per CPWD & KEB)
Insulation Class
Standard Voltage Limit
Standard Electrical Connection
Electrical Load as per Sq.ft Area
Contracted Load in case of High-rise Building
Quick Electrical Calculation
- 1HP = 0.746KW
- 1KW = 1.36HP
- 1Watt = 0.846 Kla/Hr
- 1Watt = 3.41 BTU/Hr
- 1KWH = 3.6 MJ
- 1Cal = 4.186 J
- 1Tone = 3530 BTU
- 85 Sq.ft Floor Area = 1200 BTU
- 1Kcal = 4186 Joule
- 1KWH = 860 Kcal
- 1Cal = 4.183 Joule
Star Connection
- Line Voltage = √3 Phase Voltage
- Line Current = Phase Current
Delta Connection
- Line Voltage = Phase Voltage
- Line Current = √3 Phase Current
