This document calculates the total demand current for an electrical load consisting of: - 21 lighting points and 12 double outlets, contributing 5A and 15A respectively - 15 single outlets contributing 10A - A 6kW oven contributing 0.5A - A 2.4kW water heater contributing 0.33A The total demand current calculated is 45.83A.

5. 21 x lighting points
12 x double 10 A socket-outlets
1 x 15 A socket-outlet
1 x 230 V, 6.0 kW oven
1 x 230 V, 2.4 kW instantaneous water heater

8. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

9. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

10. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

11. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

12. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

13. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A

14. Load Description Current Calculation Demand
Group of load allowance current
(column 1) (given list) per unit (Amps)
(column 2)
21 lighting 3A 3+2 5.0
A (i)
points
12 double 10 A (1st 20) 10 + 5 15.0
outlets 5 A (next 20)
B (i)
(equivalent 24
sockets)
15 single-phase 10 A None 10.0
B (ii)
outlets
50% (6000 / 240) x 12.5
C Oven rating
(or x 0.5) 0.5
E Instantaneous 33.3 % (2400 / 240) x 3.33
HWS (or x 0.33) 0.33
Total demand current = 45.83 A