COMMON ELECTRICAL TOOLS IN ELECTRICAL INSTALLATION AND MAINTENANCE.pptx

Electric

1. COMMON ELECTRICAL TOOLS IN ELECTRICAL INSTALLATION AND MAINTENANCE

2. Objectives a. Identify the different electrical hand tools b. determine the materials needed for electrical installation. c. Sustain interest in explaining the uses and function of tools and equipment used in electrical installation and maintenance d. Classify tools according to its specification, uses and function

3. Introduction Electrical task can be accomplished systematically to save time, effort, and resources. Most of the work cannot be done using bare hands. To do the task, electrical tools or materials are needed to perform the job.

4. Screwdrivers - these tools are made of steel hardened and tempered at the tip used to loosen or tighten screws with slotted heads. They come in various sizes and shapes. 1.1 Flat Screwdriver - the blade tip is wedge shaped and resembles a negative (-) sign. This is used to drive screws with a single slot head. Common Electrical tools used in EIM

5. Screwdrivers 1 .2 Phillips Screwdriver- this has a cross tip resembling a positive (+) sign. This is used to drive screws with cross slot heads. 1.3 Allen Screwdriver/ Wrench - This could be in the shape of screwdriver or a wrench, its function is to drive a screw with hexagonal slot head.

6. Screwdrivers 1.4 Stubby Screwdriver - it comes in either Standard or Phillips screwdriver with short shank or blade and a shorted handle, used to turn screws in tight space where standard screwdriver cannot be used.

7. Pliers 2. Pliers - are made of metal with insulators in the handle. They are used for cutting, twisting, bending, and holding wires and cables. 2.1 Combination Pliers – usually called as linemen’s pliers, used to hold, bend, and cut electrical wires and cables.

8. Pliers 2.2 Side Cutting Pliers – also called as diagonal pliers. This type of pliers is used for cutting small to medium size of wires 2.3 Long Nose Pliers - This could be in the shape of screwdriver or a wrench, its function is to drive a screw with hexagonal slot head.

9. Claw Hammer 3. Claw Hammer - a special type of hammer, which is in pounding nails, striking surfaces, and extracting nails from some object or surface.

10. Hacksaw 4. Hacksaw - this tool is manually cut metal/PVC conduits and other metals.

11. Electrician’s Knife 5. Electrician’s Knife – used to remove insulation of big and small wires when wire stripper cannot be used

12. Electric Drill 6. Electric Drill - it is used in making holes on woods, metals, and concrete walls.

13. Wire Striper 7. Wire Stripper - this is a tool used for removing insulation of medium-sized wires. It has two types: 7.1 Manual - has round holes that correspond to wire size. Removing of insulation is done while squeezing and pulling out wire. This can also be used to cut medium- sized copper wires.

14. Wire Stripper 7.2 Automatic - operated by squeezing where one end will hold the wire and the other will remove the insulation, has spring to retain to original position.

15. Pipe Bender 8. Pipe bender – a tool used to bend rigid metallic conduit by the use of hands and/or foot 8.1 Hydraulic Pipe bender – this type of bender uses hydraulic (oil) pressure to bend various sizes of metallic pipes

16. Pull-push Rule 9. Pull-push rule – also known as tape measure, which is retractable and coils into a compact case. It is used for measuring linear and perpendicular distance, usually has inch and centimeter as units of measurement

17. Angle Grinder 10. Angle Grinder – an electric tool that has a replaceable disc and can be used in cutting, grinding, and polishing.