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• Electrical Stuff
• From Questions Friday

2
Delta
3
Delta
4
3 Phase Motor
5
3 Phase Box
6
Delta
7
3 Phase Power
8
3 Phase
Black
Red
High leg
Blue
White Neutral
9
3 Phase Breaker
10
(No Transcript)
11
What size of Circuit breaker

• 5 Hp motor 40 amp.
• 1 hp 746 Watts (1 horsepower 745.699872
  watts)
• so 5 hp 3,730 watts
• So if I stands for current (flow of
  electricity)
• A stands for ampere (unit of current)
• V or E stands for Voltage (current flow)
• P stands for Watts
• R stands for resistance (ohms)

12
Conductors
13
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14
R
I
E or V
15
What size of Circuit breaker

• R E/I R 220/ 40 R 5.5
• E I x R 40 x 5.5 E 220
• P E x I 220 x 40 P 8,800 all we
  needed was P 3,740
• Wire size 8
• 1 hp 746 Watts (1 horsepower 745.699872
  watts)
• so 5 hp 3,730 watts
• So if I stands for current (flow of
  electricity)
• A stands for ampere (unit of current)
• V or E stands for Voltage (current flow)
• P stands for Watts
• R stands for resistance (ohms)

16
Sherman
Mr. Peabody
WABAC wayback machine
17
(No Transcript)