PART 2

Question 1

Free standing
assemblies of switches, fuses/circuit breakers

Answer 1

SWITCHBOARD/SWITCHGEAR

Question 2

Large facility

Answer 2

Unit Substations (Transformer Load Center)

Question 3

Final distribution point; PP/LP

Answer 3

PANELBOARD

Question 4

• large switch
• disconnecting apparatus
• service disconnecting means
• applied on apartments: meter banks

Answer 4

SERVICE SWITCH

Question 5

Overload/short circuit

Answer 5

CIRCUIT PROTECTIVE DEVICES

Question 6

Alloy link or wire; fusible link; nonrenewable

Answer 6

FUSE

Question 7

READ

Answer 7

Plug Fuse – dwelling (5-30 amps)
Cartridge Fuse – (5-60 amps)
Knife Blade Fuse – (61-600 amps); DE/SE

Question 8

Electromechanical device

Answer 8

CIRCUIT BREAKERS

Question 9

READ

Answer 9

Thermal Pigtail (Copper) – senses heat
Magnetic Pigtail (Copper) – senses load

Question 10

READ

Answer 10

FIXTURES/LUMINAIRES
Incandescent Lamp/Bulb – filament
Fluorescent Lamp/Tube – cathode

CONDUITS/FITTINGS/CONDU
LETS

ELECTRICAL BOXES
PLATES
- Lighting Outlets
- Receptacle/Convenience Outlets

Question 11

READ

Answer 11

Cylindrical Glass Tube – phosphor
Cathode – argon and low pressure
mercury vapor
Ballast – limits current
Starter - switch

Question 12

READ

Answer 12

TYPES:
Pre-Heat Starting - CFL
Instant Start (Slimline) – w/o a starter
Rapid Start – bi-pins

Question 13

READ

Answer 13

Materials (Metallic or Nonmetallic)
Make
Rigid Metal (RSC, EMT)
Flexible Metal (BX)
Rigid Nonmetal (Plastic, etc.)
Flexible Nonmetal (Plastic, etc.)

Question 14

READ

Answer 14

F – standard outlet box fittings
SE – Service Entrance
L – Elbow or Turn Fittings
C – Through Fittings
T – Through Fittings w/ 90° take off
E – end of run to types of motors, transformers, equipments
LL/LR - 90° turns where mounting is not suitable for LB
LB – when run of conduit comes must run thru wall/ceiling

Question 15

ELECTRICAL BOXES

Answer 15

Outlet Box – cable ends
Utility Box – outlets, switches
Pull Box – facilitates pulling
Junction Box – joining, splicing
Cut-out Box – metal box

Question 16

Control the flow of electricity to outlets and to individual devices.

Answer 16

Switches

Question 17

Control one fixture, device or outlet.

Answer 17

Single-pole switches

Question 18

Point in a circuit where other devices can be connected.

Answer 18

OUTLET

Question 19

A device (at an outlet box) to which any plug-in extension line, appliance, or device can be connected

Answer 19

RECEPTACLE

Question 20

Types of Outlets and Receptacles

Answer 20

Convenience receptacles - for small appliances and lamps; available in single, double, or multiple-units

Lighting outlets for lamp holders, surface-mounted fixtures, flush or recessed fixtures, lighting fixtures

Special-purpose receptacles - for one electrical device