A house has the following specifications for a circuit determine the size of pipe to be used for each circuit and the service entrance. Show computations for determining the pipie size. 1. 15 lighting outlets -20 watts 2. 1 kitchen range - 400 watts 3.  12 lighting outlets - 20 watts 4. 1 water heater at 1500 watts 5. 12 convenience outlet - 20 watts 6.  8 convenience outlet - 25 watts 7.  9 convenience outlet - 20 watts 8.  12 lighting outlet - 20 watts 9.  3 convenience outlet - 10 watts 10. spare-1500 watts 11. spare- 1500 watts

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A house has the following specifications for a circuit determine the size of pipe to be used for each circuit and the service entrance. Show computations for determining the pipie size.

1. 15 lighting outlets -20 watts
2. 1 kitchen range - 400 watts
3.  12 lighting outlets - 20 watts
4. 1 water heater at 1500 watts
5. 12 convenience outlet - 20 watts
6.  8 convenience outlet - 25 watts
7.  9 convenience outlet - 20 watts
8.  12 lighting outlet - 20 watts
9.  3 convenience outlet - 10 watts
10. spare-1500 watts
11. spare- 1500 watts

6. Suppose 25w each =1225 = 300w
síze of circuót breaker - 300/220
= 1.36·
current
%3D
size of wive = 16/0.20
7 Suppose 20w each = 12x20 =24ow
size of circuit breakey -240/220
1.09
current
size of Loire -16/0.20
8. Suppose 20w each - 12X20
síze of cârcuél- breaker=2A0/220
240W
1.09
cuYrent
Síze of wie=16/0.20
9.
suppose 1ow each= 3x10
síze of circuiél breaker= 30/220
300
= 0.13=current
size of wire =16/0.20
= 1500 W
Spare
Size of circuit breaker -15o0/220
6. 81=wrrent
size of wire = 32/0:20
10.
6-४। -
%3D
spare =1500W
Size of corcuit breaker= 1500/220
11.
6. 81= curren-
size of wire - 32/0.20
It is too compli catiod to use different
sizes of pipes in house wire so we select
an average size pipes for routing The wire.
Transcribed Image Text:6. Suppose 25w each =1225 = 300w síze of circuót breaker - 300/220 = 1.36· current %3D size of wive = 16/0.20 7 Suppose 20w each = 12x20 =24ow size of circuit breakey -240/220 1.09 current size of Loire -16/0.20 8. Suppose 20w each - 12X20 síze of cârcuél- breaker=2A0/220 240W 1.09 cuYrent Síze of wie=16/0.20 9. suppose 1ow each= 3x10 síze of circuiél breaker= 30/220 300 = 0.13=current size of wire =16/0.20 = 1500 W Spare Size of circuit breaker -15o0/220 6. 81=wrrent size of wire = 32/0:20 10. 6-४। - %3D spare =1500W Size of corcuit breaker= 1500/220 11. 6. 81= curren- size of wire - 32/0.20 It is too compli catiod to use different sizes of pipes in house wire so we select an average size pipes for routing The wire.
Ansi-
for ahouse woriro ng,
voltage i3 220v.
tha
lhe
wire sire is acording to lla S1 System whieh
is abredy -tabulalod (rberenco ) wlich inclede
no of waros 1 thicknes.
were is consider as flexó ble rrods
Loads of dö ffexent unit-
. Suppose 20w each = 15*20 =300W
Size of circuit breker- 300/20
1.36 = CUYrent
size of were =16/020
Arand 400 w
size of cB=4000 /220
2.
= 18-18 = CUrent
size ofa wire = 80/0.20
3. Suppose 20w each cl2 20 = 240W
size of cincuit breaker - 240/220
= 1-09 = CUrrent
size of were = 16/0-20
ral500 W
size of côrcuél breaker= 1500/220
A. water healir
= 6-8 = CUrent
size of wire = 32/0:20
5.
Suppose 20w each- 12x20= 240W
size of circuil- break er = 240/220
- 1.09 -
size of wire = 16/0-20
corrent
%3D
Transcribed Image Text:Ansi- for ahouse woriro ng, voltage i3 220v. tha lhe wire sire is acording to lla S1 System whieh is abredy -tabulalod (rberenco ) wlich inclede no of waros 1 thicknes. were is consider as flexó ble rrods Loads of dö ffexent unit- . Suppose 20w each = 15*20 =300W Size of circuit breker- 300/20 1.36 = CUYrent size of were =16/020 Arand 400 w size of cB=4000 /220 2. = 18-18 = CUrent size ofa wire = 80/0.20 3. Suppose 20w each cl2 20 = 240W size of cincuit breaker - 240/220 = 1-09 = CUrrent size of were = 16/0-20 ral500 W size of côrcuél breaker= 1500/220 A. water healir = 6-8 = CUrent size of wire = 32/0:20 5. Suppose 20w each- 12x20= 240W size of circuil- break er = 240/220 - 1.09 - size of wire = 16/0-20 corrent %3D
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