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  • Incredi 1chy

  • 問題数 47 • 10/16/2023

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    問題一覧

  • 1

    also called tube or pipe used to protects and directs electrical wiring of system in a residential or commercial building; either be made metal or plastic.

    Conduit

  • 2

    person who installs and maintains electrical transmission line, carry electrical current from the source to the end users.

    Lineman

  • 3

    tiny rope with a small heavy object at one end used to measure the vertical straightness of the post or any upright object.

    Plumb

  • 4

    rigid, simulated thermoplastic material made of 2 polymerizing vinyl chloride and is utilized for a wide diversity of products including tubes for water. Dipes for wiring. floor

    Polyvinyl Chloride

  • 5

    is special type of tool used to remove insulation of wires with sizes ranging from gauge #10 (2.60 mm) to gauge #16 (1.30 mm).

    Wire stripper

  • 6

    is a small drilling machine used in boring small and medium holes on wooden surfaces, concrete walls, and metal sheets.

    Portable Electric drill

  • 7

    is attached to a working a table and used to hold objects or stacks.

    Bench Vise

  • 8

    is used to cut rigid steel conduits.

    Pipe Cutter

  • 9

    is used to bend metal conduits such as rigid steel conduit (RSC)

    Pipe Bender

  • 10

    is a type of a hand tool used to cut metal conduits and armored cable or BX.

    Hacksaw

  • 11

    is a tool used by electricians, particularly linemen, to take away insulation of big wires and cables in the installation of high and low voltage transmission lines.

    Electrician's Knife

  • 12

    is used to pull stranded or solid wires through the metal or polyvinyl chloride (PVC) conduit.

    Wire Puller a.k.a. Fish Wire

  • 13

    is used to measure the dimension of switches and outlets. It is also needed to center lighting fixture boxes.

    Push-pull rule

  • 14

    is used to make sure that your work is in proper level and plumbed. A great installation starts with straight switches and outlets cover.

    Torpedo level

  • 15

    Are tools used in driving and pulling out nails. They are made of hard steel, plastic, or rubber. common ex is claw and ball-peen.

    Hammer

  • 16

    is used to check voltages and verify if circuits are really live or not.

    Voltmeter

  • 17

    are used by linemen or electrician to avoid grounding or electric shock.

    Working boots or Safety shoes

  • 18

    Are used by electricians and linemen while doing electrical works to protect their hands from injury and prevent electric shock.

    Gloves

  • 19

    Cover the eyes and protect them from chemical splashes, remains of glasses, and other flying debris.

    Goggles

  • 20

    is used to predominantly in construction sites to protect the head from falling objects, debris, bad weather, and electric shock.

    Hard hat or Helmet

  • 21

    complicated arrangement or mould twisted by interlocking three or more threads of elastic material such as textile yarns and wires.

    Braid

  • 22

    kind of cable with an internal conductor enclosed by a tubular dielectric insulator covered b metallic shield and shielded with an outer layer pla jacket.

    Coaxial cable

  • 23

    short term for internal communication system; installed exclusively for communication within a building or school.

    Intercom

  • 24

    synthetic or plastic polymer of ethylene that used in manufacturing plastic container, casing and electrical insulation

    Polyethylene

  • 25

    outer covering of a solid and stranded wires or conductors.

    Sheath

  • 26

    insulating material typically a plastic polymer, usually used as insulator of electric wires and cables.

    Thermoplastic

  • 27

    Typically a long length of single conductor. This offers low resistance and is perfect for use in higher frequency.

    Solid Wire

  • 28

    Contains many thin strands of wires twisted together to form a metallic string. This wire has longer life due to its flexibility and can be used for a longer period of time than a single strand conductor.

    Stranded wire

  • 29

    An insulated stranded wire. This is normally a duplex or triplex wire generally used in appliances or electrical devices and can be flat or round. This material is also used for extension cord assembly.

    Cord

  • 30

    flame-retardant, moisture-resistant

    TW

  • 31

    flame-retardant, moisture and heat- resistant thermoplastic insulation

    THW

  • 32

    -Thermoplastic Fixture PVC Insulated Wire

    TF

  • 33

    -Non-Metallic

    NM

  • 34

    -Stranded, Parallel, Thermoplastic

    SPT

  • 35

    Service Entrance

    SE

  • 36

    These are used for overhead transmissi lines, for ground wires and without insulator. Their sizes range from 1.60 mr to 500 mm².

    Copper or Aluminum conductors

  • 37

    These are utilized for the installation of wiring in dry and damp locations in building. These are flame retardant, moisture and oil resistant. Their sizes range from 1.60 mm to 500 mm² (TW)

    Thermoplastic wires

  • 38

    This is used for wiring in dry or damp site building. This is commonly composed of seven strands of conductors in a cable. Its size ranges from 1.60 mm to 500 mm (type THW)

    Heat, moisture-resistant, and flame retardant cable

  • 39

    This is used for wiring lighting fixtures suc as in fluorescent lamp assembly and as terminal wires. This could either be solid or stranded with size that ranges from 1.60 mm to 2.60 mm. (type TF)

    Thermoplastic-covered fixture wire

  • 40

    This is used for exposed or concealed wiring installations in buildings. This is in either two or three conductors in a cable with size that ranges from 1.60 mm to 2.60 mm type NM

    Nonmetallic-sheathed cable

  • 41

    This is generally used as appliance cord for portable electrical apparatus and for extension cord. this is composed of two sets stranded wires separated by insulators. It is available in standard type with size that ranges from 1.02 mm to 1.60 mm type SPT

    Flat cord

  • 42

    (type SPT) This is commonly used for wiring ai -conditioning unit. It consists of two conductors and one for ground. Its size ranges from 1.60 mm to 2.00 mm.

    Air-conditioning unit safety cord

  • 43

    This is used as a service drop usually made of an aluminum conductor with neutral messenger. It is available in 4.11 mm to 11.68 mm

    Service drop cable

  • 44

    (type SE) This is specially made for service entrance and interior wiring installations. It consists of two or more insulated conductors with one non-insulated conductor for grounding. It is time-retardant and moisture-resistant cable.

    Service entrance cable

  • 45

    This is commonly called as magnet wire. This is specially made for winding small and gigantic motors, oil packed transformers, and high speed winding. Its size ranges from 0.078 mm to 4.11 mm.

    Hypertemp 2000 wire

  • 46

    This is specially made for interior wiring installations of buildings.

    Durex wire

  • 47

    This is purposely produced for wiring automobile light and hook-up wires.

    Automotive cable