Download presentation

Presentation is loading. Please wait.

1
Electricity Lesson II Electrical Symbols EE

2
**Electrical Symbols Power Supply Hot lead attaches to plain pole**

Ground or neutral wire attaches to pole with inverted tree

3
**S Electrical Symbols Switch Wiring**

color coded wires to complete the desired circuit 5 conductor colors Black, White, Red, Blue, Yellow Green safety ground W R Bl Y S

4
**J Electrical Symbols Junction Box**

All splices must be done within a box If only splices are needed, it is called a junction box J

5
**L Electrical Symbols Light Socket**

socket where an incandescent light bulb is placed power wire to dark screw neutral wire to light screw L

6
**O Electrical Symbols Duplex Outlet**

household outlet with two receptacles power wire to dark screws neutral wire to light screws can be split wired O

7
**O Electrical Symbols Quadraplex Outlet outlet with four receptacles**

two duplex receptacles in one outlet box may be split wired O

8
**Electrical Symbols Surface/Pendant Flourescent Fixture**

Flourescent lights in the shop

9
**R Electrical Symbols Recessed Flourescent Light Fixture**

Flourescent lights in the Ag classroom R

10
**S S Electrical Symbols Single Pole Switch**

connects or disconnects a circuit from one location in a 115 volt circuit wire into hot side of 115 volt circuit attach green safety wire S S

11
**S S Electrical Symbols Single Pole Switch Connections 115 volt circuit**

Switch is Off Switch is On S S

12
**2 S2 Electrical Symbols Double Pole Switch**

connects or disconnects a 230 volt circuit from one location. Wire into both hot leads of a 230 volt circuit 2 S2

13
**2 2 Electrical Symbols Double Pole Switch Connections 230 volt circuit**

Switch is Off Switch is On 2 2

14
**S3 Electrical Symbols Three Way Switch**

usually used in combination with one or more additional switches in 115 volt circuits controls a circuit from more than one location S3

15
**Electrical Symbols Three Way Switch Connections 115 volt circuits**

Switch knob left Switch knob right

16
**S4 Electrical Symbols Four Way Switch**

used in combination with 2 three way switches in 115 volt circuits. controls circuit from three or more locations. S4

17
**Electrical Symbols Four Way Switch Connections 115 volt circuits**

Switch knob left Switch knob right

18
**Electrical Symbols/Circuits**

S1 controls L1

19
**Electrical Symbols/Circuits**

S1 controls L1

20
**Electrical Symbols/Circuits**

Screw B B L1 s1 W W Al Screw S1 controls L1

21
**Electrical Symbols/Circuits**

Control light from two locations L1 S1 S2

22
**Electrical Symbols/Circuits**

Control light from two locations L1 S1 S2

23
**Electrical Symbols/Circuits**

Control light from two locations L1 S1 S2

24
**Electrical Symbols/Circuits**

Control light from two locations Takes 2 Three Ways L1 S1 S2

25
**Electrical Symbols/Circuits**

Control light from two locations Takes 2 Three Ways Cu Screw B B B L1 S1 S2 W W W Al Screw

26
**Electrical Symbols/Circuits**

Control light from two locations Takes 2 Three Ways Cu Screw B B B L1 S1 R S2 W W W Al Screw

27
**Electrical Symbols/Circuits**

Control a light from 3 locations S1 S2 S3 L1

28
**Electrical Symbols/Circuits**

Control a light from 3 locations S1 S2 S3 L1

29
**Electrical Symbols/Circuits**

Control a light from 3 locations S1 S2 S3 W W W W L1

30
**Electrical Symbols/Circuits**

Control a light from 3 locations Takes two 3 ways & one 4 way S1 S2 S3 W W L1

31
**Electrical Symbols/Circuits**

Control a light from 3 locations Takes two 3 ways & one 4 way B B B S1 S2 S3 W W W B W Cu Al L1 Screw Screw

32
**Electrical Symbols/Circuits**

Control a light from 3 locations Takes two 3 ways & one 4 way B B B S1 R S2 R S3 W W W B W Cu Al L1 Screw Screw

Similar presentations

OK

Ag. Mechanics Becoming Familiar with Electricity Enterprise: Ag. Mechanics Job: Becoming Familiar with Electricity.

Ag. Mechanics Becoming Familiar with Electricity Enterprise: Ag. Mechanics Job: Becoming Familiar with Electricity.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on power distribution grid Ppt on nuclear energy in india Download ppt on autism Ppt on office automation tools Encyclopedia ppt one time presentation Ppt on vehicle tracking system with gps and gsm Ppt on machine translation Ppt on mathematics use in daily life Ppt on world environment day 2016 Ppt on forward rate agreement formula