Task No. 21.2
Task: Electrical, electronic and control engineering at support
level.
Sub
Task: Identify the basic safety devices such as
fuses and trips in electrical system.
Aims:
1.
What are the
different safety devices fitted in electrical system.
2.
What is the use of
fuse?
3.
What is the
difference between fuse and MCB.
Requirement for performing the task:
1.
Reference theory
from MEK text book.
2.
Different safety
devices such as MCB, ACB,VCB, MCCB, Fuse etc.
Precaution to be observed
1. Wear proper PPE
2.
Make sure circuit is dead while identify devices.
3.
make sure fuse is removed.
4.
Do not try to pull out any electrical wire.
5.
Make sure insulating mate is placed on floor.
 |
| FUSE |