This document contains details of the electrical distribution for an office project, including: - Distribution board 2 contains 9 circuits providing power for warehouse lights, washing room lights and sockets, office and locker room lights, corridor and reception lights, and door controls. The total maximum demand is calculated to be 150.16 amps. - Distribution board 1 similarly contains 6 circuits for door controls and 1 radial socket circuit. The maximum demand is calculated to be 205 amps. - Tables provide circuit details like item description, design current, protective device type, and calculations of demand currents.

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Model space:
Top view plan simple:

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Top view plan complete all layers on:

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Paper Space Mode:

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Distribution board 2
Nr. Circuit
identification
Item Description Design
current (Ib)
Design current
(Ib) with
diversity applied
Type of
protective
device
1. DB2-P1-L1 Warehouse lights
38W x11 x1.8= 752.4W
3.27A 90% of demand
2.94A
6A Type C
2. DB2-P1-L2 Warehouse lights
38W x13 x1.8= 889.2W
3.86A 90% of demand
3.47A
6A Type C
3. DB2-P1-L3 Washing room light
38W x1.8= 68.4W
0.29A 90% of demand
0.26A
6A Type C
4. DB2- P2-L1 Washing room 13A radial
sockets
13A 100% of demand
13A
16A Type B
5. DB2- P2-L2 Office lights
40W x4= 160W
0.7A 90% of demand
0.62A
6A Type B
6. DB2- P2-L3 Locker room lights
40W x2= 80W
0.34A 90% of demand
0.31A
6A Type B
7. DB2- P3-L1 Corridor and reception
lights
40W x10=400W
1.73A 90% of demand
1.56A
6A Type B
8. DB2- P3-L2 13A Ring Sockets x 9 32A 100% of demand
32A
32A Type B
9. DB2- P3-L3 Spare
10. DB2- P4-L1 32A TP-N Door Control 32A 100% of demand
32A
32A Type D
DB2- P4-L2 32A TP-N Door Control 32A 32A 32A Type D
DB2- P4-L3 32A TP-N Door Control 32A 32A 32A Type D
Total current L1 50A 49.5A
Total current L2 68.56A 68.09A
Total current L3 32.63A 32.57A
Maximum demand 151.19A 150.16A
*The project is an example based on college assignments and individual research.*

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Distribution board 1
Nr. Circuit
identification
Item Description Design
current (Ib)
Design current
(Ib) with diversity
applied
Type of
protective
device
1. DB1-P1-L1 32A TP-N Door Control 32A 100% of demand
32A
32A Type D
2. DB1-P1-L2 32A TP-N Door Control 32A 32A 32A Type D
3. DB1-P1-L3 32A TP-N Door Control 32A 32A 32A Type D
4. DB1-P2-L1 32A TP-N Door Control 32A 100% of demand
32A
32A Type D
5. DB1-P2-L2 32A TP-N Door Control 32A 32A 32A Type D
6. DB1-P2-L3 32A TP-N Door Control 32A 32A 32A Type D
7. DB1-P3-L1 13A Radial Socket 13A 100% of demand
13A
16A Type B
Total current L1 77A 77A
Total current L2 64A 649
Total current L3 64A 649
Maximum demand 205A 205A
*The project is an example based on college assignments and individual research.*