Compare industrial electrical installation and residential electrical installation.
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2 Answers

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Basis
Industrial Electrical Installation 
Residential Electrical Installation
Location
In industrial estate or MIDC area
Highly population density area
Cost
More
Less
Precautions
All precautions should be taken
All safety precautions should be taken
Supply
Generally 3-ph, 400V AC supply is provided
Generally 1-ph, 230V AC supply is provided
Tariff
Tariff for industrial load is different
Block rate tariff is applied
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Basis
Residential Electrical Installation
Commercial Electrical Installation
Load capacity
Less
High
Input Supply
Generally single phase
Generally 3 phase
Purpose
Domestic purpose
Commercial purpose
Type of Load
Lighting load is more, power load is less.
Power load is more, lighting load is less.
Distribution
Bus bar chamber is not required.
Bus bar chamber is required.
Safety precautions 
It is not public place so as per our convenience fuse or MCB can be used.
It is public place so fuse MCB, MCCB should be compulsory used.
Sub-circuit
The lighting sub-circuit and power sub-circuit are separated
The lighting sub-circuit and power sub-circuit are separated
Power factor improvement
There is no need of power factor improvement device
If the power factor is poor then there is need of power factor improving device
Caution
There is no need of caution notice for residential installation
If supply voltage is equal to or more then 400V then there is need of caution notice
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