ELEC 121 Elec Residential Look-up Activity

Estimate the length of conduit to perform the next bends. EMT will be bend using a hand bender. Provide your answer in inches (just the number) using up to 2 decimals. The picture shows two panels connected by a back-to-back 23.5" stubs EMT 3/4" 6.25 ft P

Provide a picture on the following parts of electrical plan. Location and Site Plans in a Drawing Sheet Legend or Symbols or Electrical Symbols in a Drawing Sheet General Notes and/or Specifications. Electrical Layout. Schedule of Loads One Line Diagram Title Block

On site plans, all evevations are referenced from_. A. The centerline of a street B. Ground level C. A bench mark D. A test boring

Four electricians are discussing wiring under raised floors in information technology equipment rooms. Electrician A says that wiring under the raised floor requires fire-resistant walls, floors, and ceilings between other occupancies. Electrician B says that wiring under the raised floor requires fire resistant halfway up the walls and floors between other occupancies. Electrician C says that the room must employ a disconnecting means that removes half of the power to all equipment in the room. Electrician D says that a disconnecting means isn't necessary for the room. Which of the following statements is correct? A. Electrician B is correct. B. Electrician D is correct. C. Electrician A is correct. D. Electrician C is correct.

Schedule of Loads and Basic Calculation — Create a tabulated load schedule of your home.

schedules are typically provided to detail the circuits and overcurrent protection required for listribution equipment. Branch-circuit - Outlet C. d. ore distribution points for electrical in .... Switch Panelboard

The system having ±0.5% of F.S.D if the full scale deflection is 50 units, then accuracy is _____ a. ±0.25 b. ±1 c. ±0 d. ±0.5

a) Draw the block diagram of staircase ramp type digital voltmeter and explain the same

An isolator is used to: Select one: a. To be mounted on towers for insulation purpose b. All of the above c. to disconnect part of the system for maintenance from live circuit d. Insulate the wires to avoid electrocution and short circuits Clear my choice

What is done to prevent a plan from becoming confusing because of too much details

A device used in kitchen serving hotels dining rooms club houses and restaurants is__________. a.) Grease basin b.) Yard basin       c.) Garage basin         d.) Oil catch basin

Generators can be connected to the electrical system of the residence in several ways (Select all answers that apply) Group of answer choices A. permanent generator where the neutral is not switched by the transfer switch B. portable generator that has the neutral bonded to the frame and is connected to the dwelling electrical system transfer equipment by a flexible cord C. permanent generator where the neutral is switched by the transfer switch D. portable generator that has the neutral isolated or floated from the frame and is connected to the dwelling electrical system transfer equipment by a flexible cord

Electrical plants Define the terms "Main column ." " Line ." " Protection earth " and " Operating earth

SOLVE THE FOLLOWING. SHOW COMPLETE SOLUTION, CIRCUITTRANSFORMATION, RESISTANCE COMBINATION.FIX CALCULATOR TO 3DECIMAL PLACES. BOX FINAL ANSWER.

The protective devices, such as ground wires, lightning arrestors, circuit breakers, relays are used to: Select one: a. step up the voltage. O b. Protect equipment and devices of the power system. O c. None of the above O d. step down the voltage.

What are the shunts and multiplier? Derive the expression for both, with reference to meters used in electrical circuits. Need a detailed and well-explained answer. thank you

Please use the per-Square-Foot Method to answer the following question: If we figure at one 15-ampere branch circuit for every 600 ft2, a 3000 ft2 house would have a minimum of how many 15-ampere general purpose lighting branch circuits? Group of answer choices A. Four 15-ampere general purpose lighting branch circuits. B. Five 15-ampere general purpose lighting branch circuits. C. Six 15-ampere general purpose lighting branch circuits. D. Seven 15-ampere general purpose lighting branch circuits.

Please answer in typing format

Please solve in 15 min

1)The NEC Style Manual indicates that if a term in the NEC appears in more than two articles, it qualifies for a definition in which of the following. a) The articles where the term appears b) Article 90 c) Article 100 d) Table of Contents  2)Definitions of terms related to grounding and bonding and used only in Article 250 are located in ________.a) Article 100 b) Article 200 c) Chapter 9 d) Section 250.2  3)As a general rule, when installing ground rod electrodes, two must be installed always unless a single ground rod provides not more than 25 ohms’ resistance to ground. a) True b) False

Correct and detailed answer will be Upvoted else downvoted. Thank you!

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2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.