ELEC 1122 EXAM 2 Flashcards
(111 cards)
1
Q
WHAT IS THE NATIONAL ELECTRICAL CODE (NEC) AND WHAT ORGANIZATION SPONSORS ITS DEVELOPMENT?
A
- THE NEC IS A CODE BOOK OF ELECTRICAL STANDARDS THAT INDICATE HOW ELECTRICAL SYSTEMS MUST BE INSTALLED AND HOW WORK MUST BE PERFORMED.
- THE NFPA SPONSORS THE DEVELOPMENT OF NFPA 70: NEC AND NFPA 70E: STANDARD FOR ELECTRICAL SAFETY IN THE WORK PLACE
2
Q
WHAT ARE THREE GUIDELINES THAT CAN BE USED TO PREVENT ELECTRICAL HAZARDS AROUND A HOME?
A
- ALWAYS PLUG MAJOR APPLIANCES SUCH AS REFRIGERATORS, STOVES, WASHERS, AND DRYERS INTO GROUNDED RECEPTACLES
- NEVER USE AN EXTENSION CORD WITH A MAJOR APPLIANCE - EXTENSION CORDS ARE FOR TEMPORARY USE ONLY AND MUST BE PROPERLY SIZED FOR THE INTENDED USE
- NEVER OVERLOAD WALL OUTLETS
3
Q
WHAT ARE THE THREE APPROACH BOUNDARIES ESTABLISHED BY NFPA 70E TO PROTECT INDIVIDUALS?
A
SHOCK PROTECTION BOUNDARIES, LIMITED APPROACH BOUNDARY, AND RESTRICTED APPROACH BOUNDARY
4
Q
WHAT IS LOCKOUT?
A
THE PROCESS OF REMOVING THE SOURCE OF ELECTRICAL POWER AND INSTALLING A LOCK THAT PREVENTS THE POWER FROM BEING TURNED ON
5
Q
WHAT IS TAGOUT?
A
THE PROCESS OF PLACING A DANGER TAG ON THE SOURCE OF ELECTRICAL POWER
6
Q
WHAT KINDS OF PPE SHOULD BE WORN WHEN WORKING IN A RESIDENCE?
A
PROTECTIVE HELMETS (HARD HATS), ARC-RELATED (AR) CLOTHING, SAFETY GLASSES, AND ELECTRICAL GLOVES
7
Q
WHAT TYPE OF HAND TOOL IS USED TO PULL CONDUCTORS THROUGH CONDUIT, THROUGH INACCESSIBLE SPACES, OR AROUND OBSTRUCTIONS IN WALLS?
A
FISH TAPE
8
Q
DESCRIBE HOW TO REMOVE INSULATION FROM A WIRE USING WIRE STRIPPERS
A
- INSERT THE WIRE INTO THE CORRECT WIRE GAUGE HOLE SIZE
- SQUEEZE AND ROTATE THE STRIPPER AROUND THE WIRE (OR BACK AND FORTH) TO MAKE THE CUT THROUGH INSULATION
- STRIP THE INSULATION OFF THE END OF THE WIRE
9
Q
WHAT TYPE OF HAND TOOLS PROVIDE MAXIMUM SAFETY FOR PERFORMING MAINTENANCE OR TESTING TASKS?
A
INSULATED HAND TOOLS
10
Q
DESCRIBE ARC-RATED PPE.
A
THE AMOUNT OF ENERGY A GIVEN FABRIC CAN WITHSTAND BEFORE A 50% LIKELIHOOD OF THE ONSET OF A SECOND-DEGREE BURNT THROUGH THE FABRIC
11
Q
WHAT ARE THE THREE TYPES OF ELECTRICAL TOOL ORGANIZATION SYSTEMS?
A
TOOL POUCHES, TOOLBOXES, AND PEGBOARDS
12
Q
WHAT ARE THE FOUR OVERVOLTAGE INSTALLATION CATEGORIES AND WHAT DO THEY DETERMINE?
A
- CAT I, CAT II, CAT III, CAT IV
- CAT RATINGS DETERMINE THE MAGNITUDE OF TRANSIENT VOLTAGE THAT A TEST INSTRUMENT CAN WITHSTAND WHEN USED IN TESTING CIRCUITS OR EQUIPMENT
13
Q
WHAT SHOULD BE DONE BEFORE TAKING MEASUREMENTS WITH A VOLTAGE TESTER?
A
AN ELECTRICIAN MUST ENSURE THAT THE VOLTAGE INDICATOR HAS THE APPROPRIATE CAT RATING
14
Q
WHAT IS A DIGITAL MULTIMETER AND WHAT CAN IT MEASURE?
A
MORE THAN ONE ELECTRICAL QUANTITY AND DISPLAY THE MEASURED QUANTITIES AS NUMERICAL VALUES
15
Q
WHAT IS DISPLAYED ON A DMM WHEN A FUSE IS TESTED TO DETERMINE WHETHER THE FUSE IS GOOD, OPEN, OR BAD?
A
A GOOD FUSE SHOULD DISPLAY A VERY LOW RESISTANCE OF 0.0 OHMS TO 0.5 OHMS. AN OPEN OR BAD FUSE WOULD DISPLAY “OL”
16
Q
WHAT IS A THERMAL IMAGER AND HOW CAN IT BE USED?
A
- IT’S A DEVICE THAT DETECTS HEAT PATTERNS IN THE INFRARED-WAVELENGTH SPECTRUM WITHOUT MAKING DIRECT CONTACT WITH EQUIPMENT
- IT CAN BE USED WHEN CONDUCTING INSPECTIONS TO DETECT ELECTRICAL HAZARDS, SUCH AS FAULTS OR ARCS, BEHIND WALLS OR UNDER FLOORBOARDS
17
Q
WHAT KIND OF DEVICES ARE SHOWN ON ELECTRICAL FLOOR PLANS FOR ONE-FAMILY DWELLINGS?
A
LOCATIONS OF SERVICE PANELS, RECEPTACLES, LIGHT FIXTURES, SWITCHES, APPLIANCES, TELEPHONES, TELEVISION AND DATA OUTLETS, PLUMBING FIXTURES, FIRE ALARM, SMOKE/CARBON MONOXIDE DETECTORS, AND LOCATIONS OF THERMOSTATS FOR TEMPERATURE CONTROL
18
Q
WHY DO ELECTRICIANS USE ELECTRICAL FLOOR PLANS?
A
STANDARD, ISOLATED GROUND (IG), SPECIAL-PURPOSE, AND GROUND FAULT CIRCUIT INTERRUPTER (GFCI_ RECEPTACLES
19
Q
WHAT ARE THE TYPICAL POWER SYMBOLS SHOWN ON ELECTRICAL FLOOR PLANS?
A
- HASHMARKS ON HOME RUN LINES: HOT, NEUTRAL, AND GROUND WIRES IN CABLE
- FULL-HASH: INDICATE HOT AND HALF-MARKS INDICATE NEUTRAL AND GROUND WIRES
- DOTS: MAY BE USED TO INDICATE GROUND WIRES
20
Q
WHAT ARE THE FIVE MAIN PARTS OF AN ELECTRICAL CIRCUIT?
A
- A SOURCE OF ELECTRICITY (SERVICE PANEL)
- A LOAD(S) THAT CONVERTS ELECTRICAL ENERGY INTO SOME OTHER USABLE FORM OF ENERGY SUCH AS LIGHT, HEAT, OR MOTION
- A METHOD OF CONTROLLING THE FLOW OF ELECTRICITY (SWITCH)
- CIRCUIT PROTECTION (FUSES OR CIRCUIT BREAKERS) TO ENSURE THAT THE CIRCUIT OPERATES SAFELY WITHIN ELECTRICAL LIMITS
- A WAY OF CONNECTION BY CONDUCTORS/CABLES TO ATTACH INDIVIDUAL DEVICES AND LOADS TOGETHER
21
Q
WHAT IS A PICTORIAL DRAWING AND WHAT DOES IT INDICATE?
A
- IS A DRAWING THAT SHOWS LENGTH, HEIGHT, AND DEPTH OF AN OBJECT IN ONE VIEW
- INDICATES PHYSICAL DETAILS OF AN OBJECT OR AN ELECTRICAL DRAWING AS SEEN BY THE EYE
22
Q
WHAT KIND OF SERVICE IS TYPICAL FOR A RESIDENTIAL SYSTEM?
A
120/240 V, SINGLE-PHASE, THREE-WIRE SERVIE IS USED TO SUPPLY POWER TO ALL ELECTRICAL CIRCUITS
23
Q
WHAT IS THE DIFFERENCE BETWEEN A WIRING DIAGRAM AND A SCHEMATIC DIAGRAM?
A
WIRING DIAGRAM SHOWS THE WIRED CONNECTIONS OF ALL COMPONENTS IN AN ELECTRICAL DEVICE AND A SCHEMATIC DIAGRAM INDICATES THE ELECTRICAL CONNECTIONS AND FUNCTIONS OF A SPECIFIC CIRCUIT ARRANGEMENT USING GRAPHIC SYMBOLS
24
Q
WHAT IS A ONE-LINE DIAGRAM USED FOR AND WHAT DOES IT SHOW?
A
- TYPICALLY USED AS AN OVERVIEW OF POWER DISTRIBUTION THROUGHOUT A RESIDENCE
- SHOWS THE VOLTAGE VALUES THAT ENTER THROUGH THE SERVICE ENTRANCE FROM THE UTILITY TRANSFORMER, TO THE SERVICE PANEL, AND ON TO EACH BRANCH CIRCUIT AND CONNECTED DEVICES
25
DEFINE CODE
REGULATION OR MINIMUM REQUIREMENT
26
DEFINE STANDARD
AN ACCEPTED REFERENCE OR PRACTICE
27
DEFINE THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)
A FEDERAL AGENCY THAT REQUIRES ALL EMPLOYERS TO PROVIDE A SAFE ENVIRONMENT FOR THEIR EMPLOYEES
28
DEFINE THE NATIONAL ELECTRICAL MANUFACTURES ASSOCIATION (NEMA)
A NATIONAL ORGANIZATION THAT ASSISTS WITH INFORMATION AND STANDARDS CONCERNING PROPER SELECTION, RATINGS, CONSTRUCTION, TESTING, AND PERFORMANCE OF ELECTRICAL EQUIPMENT
29
DEFINE THE INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)
AN ORGANIZATION THAT DEVELOPS INTERNATIONAL SAFETY STANDARDS FOR ELECTRICAL EQUIMENT
30
DEFINE UL, FORMERLY UNDERWRITERS LABORATORIES
AN INDEPENDENT ORGANIZATION THAT TESTS EQUIPMENT AND PRODUCTS TO SEE IF THEY CONFORM TO NATIONAL CODES AND STANDARDS
31
DEFINE THE NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
IS A NATIONAL ORGANIZATION THAT PROVIDES GUIDANCE IN ASSESSING THE HAZARDS OF PRODUCTS OF COMBUSTION
32
WHAT IS THE PURPOSE OF THE NEC?
PROTECT ELECTRICAL WORKERS AND EQUIPMENT FROM ELECTRICAL HAZARDS
33
DEFINE QUALIFIED PERSON
AN INDIVIDUAL WITH THE NECESSARY EDUCATION AND TRAINING WHO IS FAMILIAR WITH THE CONSTRUCTION AND OPERATION OF ELECTRICAL EQUIPMENT AND DEVICES
34
DEFINE ELECTRICAL SHOCK
A SHOCK THAT RESULTS ANY TIME A BODY BECOMES PART OF AN ELECTRICAL CIRCUIT
35
THE SEVERITY OF ELECTRICAL SHOCK DEPENDS ON WHAT 3 THINGS?
1. AMOUNT OF CURRENT THAT FLOWS THROUGH THE BODY
2. LENGTH OF TIME THE BODY IS EXPOSED TO THE CURRENT FLOW
3. THE PATH THE CURRENT TAKES
36
ALWAYS GET ____ ____ FOR A PERSON AFTER AN ELECTRICAL SHOCK.
MEDICAL ATTENTION
37
DEFINE LIMITED APPROACH BOUNDARY
AN APPROACH BOUNDARY THAT ESTABLISHES THE DISTANCE AROUND EXPOSED ENERGIZED PARTS THAT A QUALIFIED PERSON MAY ENTER
38
DEFINE RESTRICTED APPROACH BOUNDARY
AN APPROACH BOUNDARY THAT ESTABLISHES THE DISTANCE AROUND EXPOSED ENERGIZED PARTS THAT MAY ONLY BE CROSSED BY QUALIFIED PERSONS USING THE CORRECT SHOCK PROTECTION TECHNIQUES AND EQUIPMENT
39
ELECTRICAL POWER MUST BE ____ ____ BEFORE ANY INSPECTION, REPAIR, OR MAINTENANCE IS PERFORMED
SHUT OFF
40
THE CHANCES OF A FIRE ARE GREATLY REDUCED BY ____ ____.
GOOD HOUSEKEEPING
41
IF A FIRE SHOULD OCCUR, WHAT IS THE FIRST THING AN INDIVIDUAL MUST DO?
ALERT EVERYONE IN THE HOME OR WORK AREA AND CALL THE FIRE DEPARTMENT
42
INDIVIDUALS SHOULD INFORM THE FIREFIGHTERS OF ANY SPECIAL PROBLEMS OR CONDITIONS THAT EXIST SUCH AS ....?
BURNED ELECTRICAL WIRES OR CHEMICAL LEAKS FROM EQUIPMENT
43
WHAT ARE THE FIVE CLASSES OF FIRES?
CLASS A, CLASS B, CLASS C, CLASS D, AND CLASS K
44
A ____ VICTIM OF AN ACCIDENT MUST PROVIDE ____BEFORE CARE CAN BE ADMINISTERED.
- CONSCIOUS
- CONSENT
45
____ ____ ALLOWS AN INDIVIDUAL TO PROVIDE CARE TO A VICTIM BECAUSE THE VICTIM WOULD LIKELY AGREE TO THE CARE IF POSSIBLE.
IMPLIED CONSENT
46
DEFINE RESIDENTAIL ELECTRICAL PPE
INCLUDES PROTECTIVE HELMETS (HARD HATS), ARC-RATED (AR) CLOTHING, SAFETY GLASSES, AND ELECTRICAL GLOVES
47
PROTECTIVE HARD HATS ____ PENETRATION AND ____ IMPACT FORCE.
- PENETRATION
- ABSORB
48
DEFINE DECIBEL (dB)
UNIT OF MEASURE USED TO EXPRESS THE RELATIVE INTENSITY OF SOUND
49
WHY IS EAR PROTECTION WORN?
TO PREVENT HEARING LOSS
50
THE PRIMARY PURPOSE OF RUBBER INSULATING GLOVESAND LEATHER PROTECTORS IS TO ____ HANDS AND ____ ARMS FROM POSSIBLE CONTACT WITH LIVE CONDUCTORS.
- INSULATE
- LOWER
51
T/F RUBBER GLOVES CAN BE USED ALONE
FALSE
52
ELECTRICAL WORK REQUIRES VARIOUS TYPES OF ____ AND ____ TOOLS.
- HAND
- POWER
53
DEFINE HAND TOOL
A TOOL THAT IS USES NO EXTERNAL POWER OTHER THAN THAT SUPPLIED BY THE PERSON USING THE TOOL
54
FISH TAPES ARE CONSTRUCTED OF ____, ____, ____, ____, OR ____.
- NYLON
- TEMPERED STEEL
- STAINLESS STEEL
- FIBERGLASS
- MULTISTRAND STEEL
55
DEFINE FUSE PULLER
NONMETALLIC DEVICE THAT IS USED TO SAFELY REMOVE FUSES FROM SERVICE PANELS AND SUBPANELS
56
DEFINE CONDUIT BENDERS
DEVICE USED TO BEND CERTAIN TYPES OF CONDUIT IN ORDER TO CLEAR OBSTRUCTIONS
57
AN ELECTRICIAN'S HAMMER IS USED TO DO WHAT 2 THINGS?
1. MOUNT ELECTRICAL BOXES
2. DRIVE NAILS
58
BALL-PEEN HAMMERS ARE DESIGNED FOR WHAT?
1. STRIKING CHISELS AND PUNCHES
59
____-____ ARE USED FOR BENDING OR CUTTING WIRES AND FOR POSITIONING SMALL COMPONENTS
LONG-NOSE (NEEDLE-NOSE) PLIERS
60
____-____ ARE USED FOR CUTTING CABLES AND WIRES THAT ARE DIFFICULT TO CUT WITH SIDE-CUTTING PLIERS.
DIAGONAL-CUTTING PLIERS
61
____-____ ARE USED TO CUT CABLE, REMOVE KNOCKOUTS, AND TWIST WIRE.
SIDE-CUTTING PLIERS
62
WHAT ARE 2 MAIN TYPES OF SCREWDRIVERS?
1. FLATHEAD
2. PHILLIPS SCREW-DRIVER
63
A ____ IS A HAND TOOL WITH JAWS AT ONE OR BOTH ENDS THAT IS DESIGNED TO TURN BOLTS, NUTS, OR OTHER TYPES OF FASTENERS.
WRENCH
64
____ ____ IS A HAND TOOL THAT IS DESIGNED TO REMOVE INSULATION FROM SMALL-GAUGE WIRES.
WIRE STRIPPERS
65
WHAT ARE 3 COMMON TYPES OF KNIVES USED BY ELECTRICIANS?
1. UTILITY
2. LINEMAN'S
3. ELECTRICIAN'S KNIVES
66
A UTILITY KNIFE IS ALSO KNOWN AS WHAT?
BOX CUTTING KNIFE
67
WHAT IS A UTILITY KNIFE?
A KNIFE WITH A BLADE THAT CAN BE RETRACTED INTO THE KNIFE BODY WHEN NOT IN USE
68
ADDITIONAL BLADES ARE OFTEN STORED IN THE ____.
HANDLE
69
WHAT IS A HANDSAW USED FOR?
CUT AND TRIM MATERIALS TO THEIR PROPER DIMENSIONS
70
WHAT ARE 3 TYPES OF COMMON HANDSAWS?
1. COMPASS SAWS
2. DRYWALL SAWS
3. HACKSAWS
71
A ____ ____ IS A HANDSAW THAT IS USED TO SAW CURVES, HOLES, AND OTHER INTERNAL OPENINGS.
COMPASS SAW
72
A ____ ____ ____ IS A HANDHELD DEVICE THAT IS USED TO TIGHTEN PLASTIC OR STEEL CABLE TIES AROUND A BUNDLE OF WIRES OR SMALL-DIAMETER CABLES.
CABLE TIE GUN
73
____ IS THE PRIMARY CONCERN WHEN USIG HAND TOOLS FOR SPECIFIC TASKS.
SAFETY
74
T/F IT IS OKAY TO CARRY HAND TOOLS IN CLOTHES POCKETS REGARDLESS IF THE POCKET IS DESIGNED FOR THE TOOL
FALSE
75
THE MAINTANCE OF HAND TOOLS IS IMPORTANT FOR ____ THE LIFE OF THE TOOLS.
PROLONGING
76
WHERE DOES A CORDLESS DRILL RECEIVE POWER FROM?
WHERE IS THE POWER SOURCE LOCATED?
1. REMOVABLE BATTERY
2. BOTTOM OF THE HANDLE
77
WHAT IS AN AUGER AND WHAT IS IT USED FOR?
IT IS A DRILL BIT THAT IS USED TO BORE DEEP HOLES IN WOOD UP TO 1" IN DIAMETER
78
AUGER DRILL BITS WITH ____ ____ ARE USED MOST OFTEN FOR WOOD-FRAMED STRUCTURES.
SCREW POINTS
79
AN ____ ____ IS A CORDLESS POWER SCREWDRIVER THAT USES BOTH ROTATIONAL FORCE AND A HAMMER MECHANISM TO DRIVE FASTENERS.
IMPACT DRIVER
80
AN IMPACT WRENCH IS A CORDED OR CORDLESS WRENCH USED TO SUPPLY WHAT?
SHORT, RAPID IMPULSES TO SOCKETS
81
A ____-____ ____ ____ IS A POWER TOOL DESIGNED TO CUT VARIOUS DIAMETERS OF ELECTRICAL CABLES
BATTERY-POWERED CABLE CUTTER
82
A ____ ____ IS A MULTIPURPOSE CUTTING POWER TOOL IN WHICH THE BLADE RECIPROCATES TO CREATE A CUTTING ACTION.
RECIPROCATING SAW
83
WHEN ARE RECIPROCATING SAW TYPICALLY USED?
AFTER FRAMING IS COMPLETED AND ADDITIONAL CUTS NEED TO BE MADE
84
ENSURE THE ____/____ SWITCH IS IN THE ____ POSITION BEFORE PLUGGING THE POWER CORD INTO A RECEPTACLE.
- ON/OFF
- OFF
85
WHEN MAY A TOOLBOX BE NECESSARY?
WHEN TOOLS NEED TO BE TRANSPORTED TO ANOTHER JOB SITE
86
A ____ ____ IS AN ELECTRICAL DEVICE THAT INDICATES THE PRESENCE OF VOLTAGE WHEN THE TEST TIP TOUCHES, OR IS NEAR, AN ENERGIZED HOT CONDUCTOR OR ENERGIZED METAL PART.
VOLTAGE INDICATOR
87
WHAT IS A VOLTAGE TEST LIGHT COMMONLY REFERRED TO?
NEON TESTER
88
WHAT IS A VOLTAGE TEST LIGHT?
AN ELECTRICAL INSTRUMENT THAT IS DESIGNED TO ILLUMINATE IN THE PRESENCE OF 120V, 240V, 277V, OR 480V AC POWER
89
WHAT DOES A VOLTAGE TESTER INDICATE?
APPROXIMATE AMOUNT OF VOLTAGE AND VOLTAGE TYPE (AC OR DC) IN AN ELECTRICAL CIRCUIT
90
ALWAYS CONNECT THE ____ TEST LEAD TO THE NEUTRAL OR GROUND SIDE OF THE RECEPTACLE FIRST
BLACK
91
____ ____ ARE USED ON RESIDENTIAL WIRING INSTALLATIONS, TEMPORARY WIRING INSTALLATIONS, MAINTENANCE TASKS, AND RENOVATIONS TO PREVIOUSLY ENERGIZED CONDUCTORS AND EQUIPMENT.
DIGITAL MULTIMETER
92
VERIFY THE VOLTAGE TESTER HAS A CAT RATING ____ THAN THE HIGHEST POTENTIAL VOLTAGE IN THE CIRCUIT.
HIGHER
93
A DMM CAN MEASURE THE ____ OF A CIRCUIT OR THE RESISTANCE OF A COMPONENT ____ FROM A CIRCUIT.
1. RESISTANCE
2. REMOVED
94
WHAT DOES AN ELECTRICAL FLOOR PLAN SHOW?
ALL OF THE POWER CIRCUITS FOR A SPECIFIC FLOOR OF A RESIDENCE
95
ELECTRICAL FLOOR PLANS MUST PROVIDE ENOUGH INFORMATION TO INDICATE THE PROPER WAY TO ____ AND MUST FOLLOW THE NEC STANDARDS FOR LOCAL AND STATE COMPLIANCES.
COMPLETE A JOB
96
DEFINE COMPONENT PLAN
A GROUP OF ELECTRICAL COMPONENT SCHEDULES THAT STATE THE REQUIRED LOCATIONS FOR RECEPTACLES, LIGHTS, AND SWITCHES
97
WHAT DOES A WIRING PLAN INDICATE?
THE TYPE, PLACEMENT, AND CONNECTION OF ALL ELECTRICAL DEVICES REQUIRED TO WIRE AN ELECTRICAL CIRCUIT
98
DEFINE SYMBOL
A GRAPHIC REPRESENTATION OF A DEVICE, COMPONENT, OR OBJECT ON A PRINT
99
WHAT IS THE MOST COMMON TYPE OF INSTALLATION AND APPLICATION USED IN RESIDENTIAL ELECTRICITY DISTRIBUTION?
LIGHTING
100
SPECIAL-PURPOSE OUTLETS
USE PARTICULAR LETTERS TO DESIGNATE A VARIATION OF STANDARD EQUIPMENT ON AN ELECTRICAL FLOOR PLAN
101
WHAT DO FULL HASH MARKS INDICATE?
HOT
102
WHAT DO HALF-MARKS INDICATE?
NEUTRAL AND GROUND WIRES
103
_____ _____ ARE TYPICALLY USED IN APPPLICATIONS DESIGNED TO DRAW ATTENTION WHEN ABNORMAL CONDITIONS ARE PRESENTED.
AUDIBLE DEVICES
104
MOST GRAPHIC SYMBOLS CAN BE REFERENCED AND USED ON THE DIFFERENT TYPES OF ELECTRICAL DIAGRAMS, SUCH AS....
LINE (LADDER), WIRING, SCHEMATIC, AND SINGLE-LINE DIAGRAMS
105
A ____ ____ IS SHOWN AS A VERTICAL LINE CONNECTED WITH ONE PERPENDICULAR LINE FOLLOWED BY TWO SMALLER LINES BELOW.
GROUND CONNECTION
106
HOW ARE LINE DIAGRAMS READ?
FROM LEFT (L1) TO RIGHT (L2)
107
WHAT DO LINE DIAGRAMS SHOW THE FUNCTION OF?
MANUALLY CONTROLLED OR AUTOMATICALLY CONTROLLED CIRCUITS
108
A ____ ____ ____ IS ANY CIRCUIT THAT REQUIRES A PERSON TO INITIATE AN ACTION FOR THE CIRCUIT TO OPERATE
MANUALLY CONTROLLED CIRCUIT
109
WHAT DOES A WIRING DIAGRAM SHOW?
THE WIRED CONNECTIONS OF ALL COMPONENTS IN AN ELECTRICAL DEVICE
110
A ____ ____ IS A DRAWING THAT INDICATES THE ELECTRICAL CONNECTIONS AND FUNCTIONS OF A SPECIFIC CIRCUIT ARRANGEMENT USING GRAPHIC SYMBOLS.
SCHEMATIC DIAGRAM
111
WHAT ARE SCHEMATIC DIAGRAMS ESSENTIAL FOR TROUBLESHOOTING?
THEY ENABLE AN INDIVIDUAL TO TRACE A CIRCUIT AND ITS FUNCTIONS WITHOUT REGARD TO THE ACTUAL SIZE, SHAPE, OR LOCATION OF THE COMPONENT, DEVICE, OR PART.
