Electrical wire Study guides, Class notes & Summaries

Ground (515 pg. 26) What does the symbol shown below represent? 3 (555 pg. 26) How many turns of safety rope must remain on the safety drum after a rated load and rated speed test of a winding drum operated safety? rail jack bolts (555 pg. 16) Proper adjustment of which of the following can reduce the effects of building compression on an elevator installation? Liquidtight Flexible Metal Conduit (505 pg. 6) What type of flex would be used to pipe a switch in a wet locati...

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...

What is the minimum working clearance from an electrical panel under 600 V? - ANSWERS36" Voltage drop in wire is a function of: - ANSWERSWire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - ANSWERS156 Where may you use nonmetallic-sheathed cable? - ANSWERSinside floors and walls What is the...

CWB Level 1, Mod 4 - Welding Processes & High current, low voltage - correct answer Describe the current and voltage of a welding arc 30% arc heat at the electrode. 70% arc heat at the work. - correct answer What is the percentage of arc heat at the electrode and at the work when using the GTAW process with current set to DCEN? 15 degrees using a push technique - correct answer What travel angle and technique should be used with MCAW for a flat profile and good penetration? They are cla...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

In an electrical circuit, the grounding wire is indicated by which color? Correct Answer: Green According to the Ohms Law, which electrical unit measures pressure? Correct Answer: Volts According to the Ohms Law, which electrical unit measures resistance? Correct Answer: Ohms According to the Ohms Law, which electrical unit measures current? Correct Answer: Amps How do you convert cubic feet to gallons? Correct Answer: Multiply by 7.48 How do you convert gallons to pounds? Co...

This assignment is divided in 4 sections. I received distinction for this assignment. section one contains: - components of a circuits with their symbols - A glossary of terms such as current, potential difference... and so on. Section 2 contains: different calculations for different formulas such as Kirchhoff's first and second rule, conductance, resistivity and so on. Section 3 contains a table with electrical properties such as conductivity and resistivity... Section 4 contains and...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 - ANSWERS4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - ANSWERSwire. Each multi-wire branch circuit shall be provided with...

high risk Masons operate in an environment that is production delays A hidden cost of job accidents is danger information Job-site signs that are red, black, and white are used to convey hazardous job condition A high noise level is an example of an sand Respiratory problems can be caused by inhaling, a crystal found in avoid being caught in machinery Long hair should be confined in a ponytail to 4 inches The minimum length of sleeves in a long- s...

Esco Electrical Certification Exam 2023 Questions and Answers What is current flow? D.The flow of electrons in a circuit What is impedance? A.Opposition to alternating current Like charges will B.Repel each other Any material that will readily release electrons is called: B.A conductor The symbol for current is: B. I Electricity can produce: D. All the above light heat magnetism The safety ground conductor is usually colored: B.Green An electron has: B.A negative charge Whi...