1. ELECTRICAL “B”

2. GROUP PERSONS JOSHI UDAY KADACHHA ANIL KANDORIYA JAYDIP
KARAGIYA BHIKHU
KARAVADARA RAM
KHACHAR CHHATRAJIT
KHANDHAR SANJAY
KHANT ANKIT
KOTADIYA HARDIK
KOTAK AYUB

3. Switches Switches allow the user to control a load (on/off) Examples
Single
Double
3 way
4 way
Combined
Pilot light

4. Cables Black – hot, connection from the AC source to switch typically
Red – return, connection from switch to load
White – neutral, connection from load back to the AC source, it closes the circuit
Green – ground, protects people from electrically charged metal parts

5. Size of Cables
14: minimum approved width in United States for residential wiring. In PR we can use it for lamps wiring
12: minimum approved width in Puerto Rico for residential wiring
2: cable used from service panel to distribution panel, passes up to 100A of current

6. Protection Devices
Breakers: work like a fuse, opens current path when threshold is exceeded. This protects the circuits from high currents, no protection to people
Ground connection: connection to ground so that users are protected from alternate current paths, like breakers they open the current path but when a current change is found

7. Service Panel Nude cable comes from transformer
It then changes to a white cable and connects to the box
From here a connection to breaker and ground is done

8. Distribution Panels
Load balancing: the act of distributing equally all 120V loads