ELECTRICAL LAYOUT SYSTEM

1. ELECTRICAL LAYOUT
SYSTEM
BY HAFIZ JUNAID

2. ELECTRICAL LAYOUT SYSTEM
1. Considering the type, size, layout, no. of blocks of
the proposed building and thoroughly studying all
the spaces provided, a realistic figure of power
requirement (incorporating a safe % for future
growth in power demand) should be worked out.
2. Main control panel / distribution boards should be
conveniently located on the exterior wall, stair hall
walls / landing space, passage / corridors as well
as easy accessibility in case of fire.

3. ELECTRICAL LAYOUT SYSTEM
3. Separate circuits to be developed for lighting (5 –
10 amps) and power (10 – 20 amps)
requirements and the entire load evenly
distributed on all the circuits.
4. Prepare a comprehensive list of all the symbols /
legends / abbreviations used on the electrical
layout drawing.
5. Using correct symbols mark the location of all the
lighting fixtures – wall / ceiling mounted, type
required, no. as well as the location of
corresponding switches / switch boards, power
outlets (5 amps & 15 amps) on the plans in each
space.

4. ELECTRICAL LAYOUT SYSTEM
6. Min. 40 – 60 watts lamp to be provided for every
100 sq. ft. floor area at max. 10 ft height.
7. Min. one ceiling fan 48” dia. for floor areas 100 –
150 sq. ft. at max. 10 ft height.
8. Min. one 12” – 18” dia. exhaust fan to be provided
in all kitchens, toilets / bath, laundry, store etc.
(with proper size wall opening and electrical
outlet).
9. All exterior lighting fixtures, electrical outlets and
switchboards must be waterproof.