EIM REVIEWER (TLE) Flashcards
In the Ohm’s Law Pie Chart, what does WATTS stand for?
P
In the Ohm’s Law Pie Chart, what does AMPS stand for?
I
In the Ohm’s Law Pie Chart, what does VOLTS stand for?
E
In the Ohm’s Law Pie Chart, what does OHMS stand for?
R
Is what flows on a wire or conductor like water flowing down a river.
Current
Symbol of Current?
I
How is current measured?
(A) amperes or amps.
TRUE OR FALSE. Current flows from negative to positive on the surface of a conductor.
TRUE
Is the difference in electrical potential between two points in a circuit.
Voltage (E)
How is VOLTAGE measured?
(V) volts
Determines how much current will flow through a component.
Resistance
What is the symbol of RESISTANCE?
R
TRUE OR FALSE. Resistors are used to control voltage and current levels.
TRUE
What is the difference of a HIGH resistance to a LOW resistance?
High resistance - allows a small amount of current to flow.
Low resistance - allows a large amount of current to flow.
How is Resistance measured?
Ohms
Is the amount of current times the voltage level at a given point measured in wattage or watts.
Power
Symbol of POWER?
P
a unit of measure of electric current
Ampere
the path of electric current from the source to the components and goes back to the source.
Circuit
a unit of power which is equivalent to 1000w
Kilowatt
a wire or a cord which provides path for current flow
Conductor
the quality of electric current measured in ohms that resist the flow of current
Resistance
a wire through which current flows
Hot wire
material used to cover electric wires which may be made from plastic rubber, or asbestos.
Insulator
are implements used to modify raw materials for human use
Tools
commonly known as flexible non-metallic conduit or the “moldflex”
(CPC) Corrugated plastic conduit
Metal raceways
Metallic Conduits
Metallic Conduits are classified into 4 what are they?
- (RSC) rigid steel conduit
- (IMC or IMT) intermediate metallic conduit or tubing
- (EMC or EMT) electrical metallic conduit or tubing
- (FMC) flexible metallic conduit
plastic conduits or raceways designed to be a channel of wire
Non-metallic conduits
Non-metallic conduits ARE classified into three. What are they?
- rigid non-metallic conduit or the PVC
- the flexible nonmetallic or CPC
- surface plastic molding
accessories that are used to connect from boxes to conduits or raceways to the other boxes in the electrical system
Connectors and Adapters
List down all the EIM TOOLS.
- Long Nose Pliers
- Stubby Screw Driver
- Wire Stripper
- Portable Electric Drill
- Philips Screw Driver
- Combination Pliers
- Hammer
- Electrician’s Knife
- Hacksaw
- Diagonal cutting pliers
- Half-round file
- Round file
- Spirit level
List down all the EIM MATERIALS.
- Utility box
- Connectors/Adapters
- Male Plug
- Fuse
- Junction Box
- Conduits
- Circuit Breaker
- Electrical Wires
- Corrugated Plastic Conduit
- Cut-out boxes
- Receptacles
- Fuse Panel/ Safety switch
- Square boxes
- PVC conduit
- Switch Plates
- Switches
These tools are made of steel hardened and tempered at the tip used to loosen or tighten screws with slotted heads.
Screw Drivers
Give all the types of screw drivers.
- Standard/Flat Screw Driver
- Philips Screw Driver
- Stubby Screw Driver
- Allen Screw Driver/Wrench
The blade tip is wedge-shaped and resembles a negative (-) sign.
Standard/Flat Screw Driver
This has a cross tip resembling a positive (+) sign.
Philips Screw Driver
It comes in either Standard or Philips screw driver with short shank or blade and a shorted handle used to turn screws in
tight space where standard screw driver cannot be used.
Stubby Screw Driver
Its function is to drive screw with hexagonal slot head.
Allen Screw Driver/Wrench
These are tools used in driving or pounding and pulling out nails.
Hammers
Give the types of hammers.
- Claw Hammer
- Mallet (Rubber Head)
- Ball Peen Hammer
These are made from metal with insulators in the handle and are used for cutting, twisting, bending, holding, and gripping wires and cables.
Pliers
What are the types of Pliers
- Combination Pliers (Lineman’s
Pliers) - Diagonal Cutting Pliers
- Side Cutting Pliers
- Long Nose Pliers
This is used for gripping, holding, and cutting electrical wires and cables and even small nails. They are usually used by linemen in doing heavy tasks.
Combination Pliers (Lineman’s
Pliers)
This type of pliers is used for cutting fine, medium and big wires and cables.
Side Cutting Pliers
This is used for cutting and holding fine wires. This can reach tight space or small opening where other pliers cannot reach and also used in making terminal loops of copper wires.
Long Nose Pliers
A tool used for
removing insulation of medium sized wires ranging from gauge #10 to gauge #16.
Wire Stripper
This is used by linemen to remove insulation of wire and cables in low and high voltage
transmission lines.
Electrician’s Knife
A small drilling machine with a chuck capacity of ¼‖ to 3/8‖. It is used in making holes on metal sheets and concrete walls.
Portable Electric drill
This tool is used to cut metal conduit and armored cable.
Hacksaw
a device that acts as a convenient source of electrical energy for current consuming appliances.
Convenience Outlet
What are the types of convenience outlets?
- Surface Type - Duplex
- Flush Type - Duplex
a device inserted to a convenience outlet to conduct electric current. A flat cord is attached to it on one end and the other end is connected to a current consuming instrument or appliance.
Male Plug
devices that hold and protect the lamp.
Lamp Holders
What are Lamp Holders also known as?
Lamp Sockets /Receptacles
Lamp holders are classified into three. What are they?
- Flush
- Hanging
- Surface
a device that connects and disconnects the flow of electric current in a circuit.
Switch
Switches are classified into three. What are they?
- Flush
- Hanging
- Surface
a circuit protective device that automatically blows and cut the current when and over load or short circuit happens.
Fuse
Fuses are classified into three. What are they?
- Knife Blade
- Cartridge
- Plug Type
a protective device used
to automatically blows and cuts the current when trouble in the circuit such as short circuit or overload occurs.
Circuit Breaker
an octagonal shaped electrical material where the connections or splices of wires are being done. It is also where the flush type lamp holder is attached.
Junction Box
Junction Box can be made into?
(PVC) Polyvinylchloride and Metal
a rectangular shaped metallic or plastic (PVC) material in which flush type convenience outlet and switch are attached.
Utility Box
Is a duplex stranded wire used for temporary wiring installation and commonly used in extension cord assembly. It comes in a roll of 150 meters and with sizes of gauge # 18 and gauge #16 awg (American wire gauge).
Flat Cord
Electrical Wire/Conductor is classified into two. What are they?
Stranded and solid wire
made of multiple strands joined together to make a single wire.
Stranded Wire
made of a single strand of copper or aluminum wire. These are used in wiring installation inside and outside the buildings.
Solid Wire
electrical materials used as the passage of wires for protection and insulation.
Conduits/Pipes
Types of conduits/pipes. Name them.
- FMC
- PVC
- CPC
electrical materials used to hold and anchor electrical conduits in its proper position.
Clamps
used to attach metallic or non-metallic conduit to the junction or utility boxes.
Connectors