Conductors Study guides, Class notes & Summaries

Michigan Journeyman test | 2023/24 questions and answers There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and on...

ENTC 206- Ceramics and Semiconductors Ceramics - correct answer compounds formed between metallic and nonmetallic elements Ceramics (characteristics) - correct answer crystalline in nature hardest materials inorganic nonmetallic made by sintering lack of plastic deformation- no slip low tensile strength high compression strength DENSITY What sets Ceramics apart? - correct answer extreme brittleness extreme hardness high temperature resistance low coefficient of thermal expansio...

PICAT Verification Test Practice Questions And Answers 2023 In making permanent electronic connections, use? Correct Answer: soldering iron When current flow is interrupted by a blown fuse, the circuits becomes? Correct Answer: Open A standard multimeter does not measure? Correct Answer: frequency Electric current flowing from one component to the next is an example of what kind of circuit? Correct Answer: Series In order to make an electric current flow, it is necessary to have? Correct...

Spectrum Field Tech Questions and Answers 100% Pass Current/ amperage Flow or movement of electric charges Resistor a passive two-terminal material that impedes the flow of current What is the most common workplace hazard involving electricity? Electrical shocks What is minimum approach distance? The shortest safe distance to keep from energized conductors CATV at the pole 40'' CATV at the mid-span 24'' CATV at the house 12'' Live parts of electric equipment must be guarded against ...

The 2 main considerations concerning the existing cabling are? - Answer- Grandfathered system Abandoned cable 11-25 The type of cutover where cross-connects are relocated one pair after another until completed is called a - Answer- rolling cut 11-28 Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - Answer- Swing space phasing Which of these testers would yo...

Electrostatic Discharge - Answer- What does the acronym ESD stand for? 100mA, 200mA - Answer- Current amounts between __ and __ can be lethal. Shock - Answer- What is the number one concern in regards to electrical safety? Protons, neutrons, electrons - Answer- Bohr's Atomic Model consists of what three components? Shells - Answer- Electrons are arranged in __ around the nucleus. Conductors, semi-conductors, and insulators - Answer- What are three types of materials used in elect...

Conductors shall be permitted for use in any of the wiring methods recognized in Chapter 3 and as permitted in the NEC (a) True (b) False - CORRECT ANSWER (A) TRUE Insulated conductors used in wet locations shall be _________ (a) moister-impervious metal-sheathed (b) MTW, RHW, RHW-2, TW, THW, THW-2, THHW, THWN, THWN-2, XHHW, XHHW-2, or ZW (c) listed for wet locations (d) any of these - CORRECT ANSWER (D) ANY OF THESE In general, the minimum size conductor permitted for use in paral...

25-pair color code - ANSWER-White - Blue, orange, green, brown, slate Red - Blue, orange, green, brown, slate Black - Blue, orange, green, brown, slate Yellow - Blue, orange, green, brown, slate Violet - Blue, orange, green, brown, slate Fiber color code - ANSWER-Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua NVP - ANSWER-Nominal Velocity of Propagation Insertion loss - ANSWER-The difference in the amount of power received before and after something...

NCCER 26208-17 Questions and Answers Already Graded A To properly install heat-shrink insulators, _____. Slip the insulator over the connector and apply heat for a few seconds When used in control cable, which of the following must be grounded in order to be effective? Drain wires To determine the correct connector size for MC cable, _____. Refer to the manufacturer literature Burnishes, nicks, and scrapes are generally the result of which of the following? Poorly stripped conductors When st...

Level 1 Module 11 Residential Electrical Services Exam 2023 Questions and Answers Which of that following locations at dwelling units require GFCI protection? a. Receptacles within garages Which type of cable with a corrugated sheath has a maximum bend raduis of 7 times the cable diameter? a. Type MC Which of the following circuits require a minimum of 20A of overcurrent protection? c. Residential small appliance branch circuits According to the NEC, which of the following is required f...