Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 24, Problem 2R
To determine
Name the article of the NEC that is in compliance with the disconnecting means for the central heating equipment other than the fixed electric space heating equipment.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Follow the procedures in troubleshooting the defects and faults of an electric fan by filling in the missing steps.Doesn't rotate 1.___________ 2.____________ Check for Open AC cord or wiring3. ___________4.___________ Defective switch/electronic system control 5. _____________Defective module (system control).
Please provide Handwritten answer
Question:
NEC Reference
Answer
__________
__________
_____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.Question:
NEC Reference
Answer
__________
__________
_____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.
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
Chapter 24 Solutions
Electrical Wiring Residential
Ch. 24 - Prob. 1RCh. 24 - Prob. 2RCh. 24 - Prob. 3RCh. 24 - In a home, the low-voltage wiring between the...Ch. 24 - Prob. 5RCh. 24 - The nameplate on a transformer will indicate...Ch. 24 - If Class 2 conductors are insulated for 150 volts,...Ch. 24 - If you use 600-volt rated conductors for Class 2...Ch. 24 - The NEC is very strict about securing anything to...Ch. 24 - Does the Code permit attaching the low-voltage...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- ___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.arrow_forwardAnswer the following: A) Type of clipper circuit per level of clipping. 1. ___________ 2. ___________ 3. ___________ B) Type of clipper circuit per non-linear devices used. 1. ___________ 2. ___________ C) Other term for clipper circuit. 1. ___________ 2. ___________ 3. ___________arrow_forward6. According to the NEC, allowance for the future expansion of installations isA. an exception.B. in everyone's best interest.C. defined.D. a requirement.arrow_forward
- QUESTION 9 When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true? a A.This would be approved by code as the gas pipe is only being bonded to the electrical system. b B.This installation would be approved by code, as the gas pipe is not a grounding electrode. c C.Both A and B d D.Neither A nor Barrow_forwardIf a recessed luminary without an integral junction boxes installed what extra wiring must be providedarrow_forwarda. The Code requires a minimum of two small-appliance circuits in a kitchen. Is it permitted to connect a receptacle in a dining room to one of the kitchen small-appliance circuits? _______________ What Code section applies to this situation? _______________ b. Are outdoor weatherproof receptacles permitted to be connected to a 20-ampere small-appliance circuit? _______________ c. Receptacles located above the countertops in the kitchen must be supplied by at least _______________ 20-ampere small-appliance circuits.arrow_forward
- A means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_forward45. A switch or circuit breaker can be used as both the controller and disconnecting means if it a. opens all ungrounded conductors as required by NEC 430.103 b. is protected by an overcurrent device in each ungrounded conductor c. is manually operable, or both power and manually operable d. All of these answersarrow_forwardAn electrician installs five 3 AWG THWN copper current-carrying conductors in a raceway located in a garage. The garage area is subject to an ambient temperature of 100°F. All terminations are rated at 75°C.Ampacity: __________ Maximum Fuse or Circuit Breaker Size: __________.(NO CHAT GPT, ONLY NEAT HAND WRITTEN SOLUTION PLEASE.)arrow_forward
- 13. If an equipment bonding jumper is run external to a raceway, it must be less than _______ feet.A. 6B. 2C. 4D. 5arrow_forwardWhich of the following statements about equipment grounding conductors (EGCS) is true? A. The National Electrical Code permits the EGC to also perform as a grounding electrode conductor. B. More than one EGC must be used if multiple circuits are installed in a single raceway, cable, or cable tray. C. No current should be present in the EGC during normal operation. D. EGCs are required to be decreased in size to address voltage drop.arrow_forwardQUESTION 3 We are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT