Question of the Month: Answer & Win

Play the Question of the Month Sweepstakes and Enter for Your Chance to Win!

Test your knowledge every month to see how well you know your trade, and as long as you’re here, sign up for your chance to win a $25 Gift Card to Home Depot. A new winner is chosen each month. See official rules below. You do not have to answer the question to enter the sweepstakes.

May 2022

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Previous Questions and Winners

March 2018
Question
How many electricians are there in the United States?

Answer:
666,900

Winner: Sam W. - Central Point, Oregon
May 2018
Question
What chapter of the 2017 NEC covers wiring methods and materials?

Answer:
Chapter 3

Winner: Robert B. -Apex, North Carolina
July 2018
Question
In the electrical industry, how is the term bonding defined?

Answer:
Mechanically connecting two or more conductive materials to establish a conductive path between them.

Winner: George B. - Raleigh, North Carolina
October 2018
Question
In older appliance installations where 3-wire cords were legally installed, what were the 3 wire types?

Answer:
Two hot wires and one neutral wire

Winner: Brian S. - Rohnert Park, CA
November 2018
Question
Which section of the NEC states "All Dwelling-Unit 120 Volt 15a and 20a branch-circuits supplying outlets or devices in "laundry areas" shall be AFCI protected?

Answer:
212.10 A

Winner: Justus H. - Burien, WA
December 2018
Question
When using a metal water piping system in the earth, as a grounding electrode, Which table in the 2017 NEC should you refer to for information on size increases

Answer:
Table 256.50

Winner: Robert H. - Portland, Oregon
January 2019
Question
What year was the Occupational Safety and Health Act put into law?

Answer:
1970

Winner: Kurt R. -Bentonville, AR
February 2019
Question
The GFCI is designed to do which of the following?

Answer:
De-energize the circuit if there is an imbalance in current of 6 mA or greater

Winner: Mark H. - Los Alamos, NM.
March 2019
Question
Which rooms are exempt from the redefinition of wall space in the 2017 NEC?

Answer:
Kitchens and Bathrooms

Winner: David B. - Chapel, NC
April 2019
Question
An installed component (sink, range, cooktop) is considered to have "broken" the countertop into two separate spaces when the depth of the countertop behind the component measures less than how many inches.

Answer:
12 inches

Winner:
May 2019
Question
Connecticut Electrical Continuing Education Class

Answer:
Chapter 3

Winner: Steve B. - Butte, MT
June 2019
Question
What year was ground fault protection introduced into the National Electrical Code

Answer:
1971

Winner: David M. Austin, TX
July 2019
Question
How long have USB (universal serial bus) connections been around?

Answer:
1990s

Winner: Carlos McGuire
August 2019
Question
What are the basic properties of the electrical current.

Answer:
Voltage, Current, Resistance

Winner: Danny J - Sylmar, CA
September 2019
Question
According to the 2017 NEC where do you start the measurement for penisulas?

Answer:
Measure from the connected perpendicular wall

Winner: Frank M - Las Cruces, NM
October 2019
Question
Select one of the following statements about temperature rating and conductor ampacity that is true?

Answer:
The higher the temperature rating, the higher the permitted conductor ampacity

Winner: Sandra G. - Jonesville, NC
November 2019
Question
What chapter of the NEC covers fill calculation for supporting receptacles installed within a box.

Answer:
314.16(B)(4)

Winner: James B. - Wakefield, MA
December 2019
Question
Electricians can find a list of what in Section 230.82 of the 2020 NEC?

Answer:
Equipment that can illegally connect to the conductors on the supply side

Winner: Anthony H. -Hensley, AR
January 2020
Question
The NEC requires an equipotential bonding plane to be assembled outside the swimming pool under the walkway surface surrounding the pool for an area measuring ______ outward from the swimming pool interior wall.

Answer:
3 Feet

Winner: Damon F. -Bowling Green, KY
February 2020
Question
What section of the 2017 NEC has tables that can help you perform volume calculation correctly?

Answer:


Winner: Jason B. -Lillington, NC
March 2020
Question
The simple rule here is: never install a circuit ___ or less directly on a rooftop unless you live in a very cold climate.

Answer:
100A

Winner: William H.- Yorktown, VA
April 2020
Question
Never install a circuit _____ or less directly on a rooftop unless you live in a very cold climate.

Answer:
100A

Winner: Greg R. -Houston, TX
May 2020
Question
According to the 2020 NEC, mobile and manufactured homes should now follow the same GFCI protection requirements as stick built dwellings, found in section ___________.

Answer:
Section 210.8 (A)

Winner: Nels P. -Atlantic Beach, FL
June 2020
Question
Which is not another term for Available Fault Current

Answer:
Super Maximum Short Current

Winner: Wayne C. -Hamilton, OH
July 2020
Question
The Equipment Grounding Conductor (EGC) is designed to allow ____________ to travel back to its source by way of a low-impedance (unobstructed) electrical path

Answer:
unwanted fault current

Winner: George D. -Newton, NH
August 2020
Question
Section 210.19(A)(1) instructs electricians to size conductors at 100% of the load rating for all noncontinuous loads, plus ____ of the load rating for all continuous loads on the circuit.

Answer:
125%

Winner: Ken B. -Gresham, OR
September 2020
Question
The 210.52(A)(2) requirement states that wall space is any wall _______ or more in width in a habitable room except where doorways or similar openings break the wall, or where fireplaces or fixed cabinets that do not have countertops or work surfaces are installed

Answer:
2ft

Winner: Martin V. -Austin, TX
October 2020
Question


Answer:


Winner:
November 2020
Question
During the 2020 code cycle, a NM cable splice kit can be used concealed within a wall to join together two Romex brand NM cables under what conditions?

Answer:
The kit is being used for the repair of NM cables

Winner: Michael S. -Beach, ND
December 2020
Question
The 2020 NEC Section 210.52(C)(3), tells us the receptacle outlets should be which of the following?

Answer:
20 inches above the countertop surface

Winner: Norman M. -Bensdale, PA
January 2021
Question
An electrician wiring a home compliant with the 2020 NEC can wire the bathroom(s) as follows?

Answer:
All 120-Volt countertop receptacles located in an unlimited number of bathrooms in the home can be fed by the one 20-amp branch circuit required in 210.11(C)(3)

Winner: -Joel W. -Durham, NC
February 2021
Question
An electrician wiring a home compliant with the 2020 NEC can wire the bathroom(s) as follows?

Answer:
All 120-Volt countertop receptacles located in an unlimited number of bathrooms in the home can be fed by the one 20-amp branch circuit required in 210.11(C)(3)

Winner: -Mike T. -Madison, VA
March 2021
Question
In the 2017 Code cycle, equipment grounding conductors (EGC) were required to be increased in size any time the ungrounded conductors of the same circuit were increased for reasons such as excessive ambient temperature or too many current-carrying conductors in a conduit. In the new 2020 NEC, if the equipment grounding conductor must be increased, the increase can be performed according to which of the following methods?

Answer:
The EGC can be increased in size based on the circular mils increase of the ungrounded conductor, or it can be increased by a qualified person

Winner:
April 2021
Question
What Code section on Electrical Vehicle Charging systems ONLY exists in 2017 NECs published after December 21, 2016?

Answer:
625.56 Receptable Enclosures

Winner: -Dave C. -New Hampshire
May 2021
Question
Which of the following wiring methods are permitted in pool equipment rooms?

Answer:
Rigid metallic conduit (RMC)

Winner: -Robert P. -Maine
June 2021
Question
Which of the following shall NOT be used as an equipment grounding conductor?

Answer:
The structural metal frame of a building or structure

Winner: -William C. -AK
July 2021
Question
Which of the following is NOT permitted to be installed in a vertical exit enclosure?

Answer:
Wiring for an adjacent office

Winner: -John H. -OR
August 2021
Question
Which of the following is NOT required for a receptacle in an electric vehicle used for connecting off-board utilization equipment?

Answer:
Surge protection

Winner: -Mel H. -NM
September 2021
Question
A recreational vehicle is equipped with a 50 amp, four-wire, three pole grounding-type cord. The code defines this cord as a(n)______.

Answer:
Feeder. According to Informational Note 2 in the TIA, the definition of Power-Supply Assembly in Section 551.2 and the definition of Feeder in Article 100 clarifies that the power supply cord to a recreational vehicle is considered a feeder.

Winner: -Jonah G. , -CA
October 2021
Question
Which of the following statements regarding luminaires is true?

Answer:
The installation of a listed retrofit kit in a luminaire is not considered reconditioning.

Winner: -Jim H. -KY
November 2021
Question
When installing a sign or outline lighting, what type of cable must be used on the load side of the sign or outline lighting Class 2 power source, when installed in a wet location?

Answer:
Table 600.33(A)(a) specifies the type of Power Limited cable required by the NEC to be installed on the load side of a sign or outline lighting Class 2 power source, for a given location or environment. For example, PLTC (Power Limited Tray Cable) is the only approved cable that can be used when signs and outline lighting are installed in wet locations.

Winner: -James R. -NJ
December 2021
Question
Which of the following 2020 NEC requirements regarding Electric Vehicle Power Transfer Systems is FALSE?

Answer:
Ground-Fault Circuit-Interrupter Protection for the electric vehicle charging receptacle is now required, regardless of the location of the outlet.

Winner: -Marc T, -NH
February 2022
Question
Which of the following statements about horticultural lighting is true?

Answer:
Horticultural lighting and systems must be listed and installed and used per manufacturers’ instructions and in accord with their listing.

Winner: -Calvin W, -TX
March 2022
Question
Which of the following is NOT considered service equipment?

Answer:
Meter sockets.

Winner: -Tom N, -NC
April 2022
Question
What is the first step in the submittal process?

Answer:
Submit a request for a Code change online.

Winner: -Thomas N, NC

JADE Learning’s Question of the Month Sweepstakes Official Rules

NO PURCHASE IS NECESSARY TO ENTER OR WIN. A PURCHASE OF ANY KIND WILL NOT INCREASE YOUR CHANCES OF WINNING. YOU DO NOT HAVE TO ANSWER THE QUESTION TO ENTER AND WIN. ALL FEDERAL, STATE, LOCAL, AND MUNICIPAL LAWS AND REGULATIONS APPLY. VOID WHERE PROHIBITED.

  1. Sweepstakes Period: JADE Learning’s Question of the Month Sweepstakes (The «Sweepstakes») begins at 12:00:00 AM Eastern Time (ET) on the first day of every month and ends at 11:59:59 PM ET on the last day of every month, beginning March 1, 2018 (The «Sweepstakes Period»).
  2. Eligibility
    The Sweepstakes is open to all natural persons who are legal residents of the 50 United States and District of Columbia, who are at least 18 years old at the time of entry. Void outside the USA, in Puerto Rico, the US Virgin Islands, and other United States territories and possessions. Employees of JADE Learning  and other companies associated with the promotion of the Sweepstakes, and their respective parent companies, franchisees, licensees, distributors, suppliers, retailers, subsidiaries, affiliates and advertising and promotion agencies as well as the immediate family (spouse, parents, siblings, and children, regardless of where they reside) and household members of each such employee, whether or not related, are not eligible to participate. The Sweepstakes is subject to all applicable federal, state and local laws and regulations. By entering the sweepstakes, participants are bound and agree to these Official Rules, and the decisions of Sponsor and Administrator, which are final and binding.
  3. Sponsor
    The Sweepstakes is sponsored by JADE Learning, 11635 Northpark Dr, Suite 360, Wake Forest, NC 27587.
  4. How To Enter
    During the Sweepstakes Period, visit the Sweepstakes registration page located on Sponsor’s website at https://www.jadelearning.com and follow the instructions to electronically complete and submit the Sweepstakes entry form. You will be asked to provide basic contact information, including your name, street address phone number, and email address.  (NOTE: You must complete all required fields of the entry form with information that is valid on the date of the drawing to be eligible).  All entries become the property of Sponsor, and none will be acknowledged or returned.
  5. Agreement to Official Rules
    Participation in the Sweepstakes constitutes entrants full and unconditional agreement to and acceptance of these Official Rules and the decisions of the Sponsor, which are final and binding. Winning a prize is contingent upon being compliant with these Official Rules and fulfilling all other requirements set forth herein.
  6. Prize Drawing
    On or about the 5th of the subsequent month, the Sponsor will select potential winner in a random drawing from among all eligible entries. The odds of being selected depend on the number of entries received at the time of the drawing. The Sponsor will attempt to notify the potential winner via email on or 5 days after the end date of Sweepstakes. If the potential winner cannot be contacted within five (5) days after the date of the first attempt to contact him/her, the Sponsor may select an alternate potential winner in his/her place at random from the remaining non-winning, eligible entries.
  7. Winner Notification
    The potential Winner will be notified by email.  Each potential winner will be required to complete, electronically sign and submit a Declaration of Compliance within five (5) days of the date notice or attempted notice is sent, in order to claim his/her prize. If a potential winner cannot be contacted or fails to submit the Declaration of Compliance within the required time period (if applicable), or prize is returned as undeliverable, potential winner forfeits prize. Potential Winner must continue to comply with all terms and conditions of these Official Rules, and winning is contingent upon fulfilling all requirements. In the event that a potential winner is disqualified for any reason, Sponsor may award the applicable prize to an alternate winner by random drawing from among all remaining eligible entries. Only three (3) alternate drawings will be held, after which the prize will remain un-awarded. Prizes will be fulfilled approximately 8-10 weeks after the conclusion of the Sweepstakes. An undeliverable prize notification will result in Winner being disqualified.
  8. Prize
    One winner will be selected and will receive a $25 Gift Card to Home Depot. Approximate retail value of the prize is $25.00. The prize will be awarded as a $25.00 gift card. All prize details are at Sponsor’s sole discretion. Unclaimed prizes will not be awarded. Applicable sales tax is not included.
  9. General Conditions
    In the event that the operation, security, or administration of the Sweepstakes is impaired in any way for any reason, including, but not limited to fraud, virus, bug, worm, unauthorized human intervention or other technical problem, or in the event the sweepstakes is unable to run as planned for any other reason, as determined by Sponsor in its sole discretion, the Sponsor may, in its sole discretion, either (a) suspend the Sweepstakes to address the impairment and then resume the Sweepstakes in a manner that best conforms to the spirit of these Official Rules or (b) terminate the Sweepstakes and, in the event of termination, award the prize at random from among the eligible, non-suspect entries received up to the time of the impairment. The Sponsor reserves the right in its sole discretion to disqualify any individual it finds to be tampering with the entry process or the operation of the Sweepstakes or to be acting in violation of these Official Rules or in an unsportsmanlike or disruptive manner. Any attempt by any person to damage the website or undermine the legitimate operation of the Sweepstakes may be a violation of criminal and civil law, and, should such an attempt be made, the Sponsor reserves the right to seek damages (including attorneys fees) and any other remedies from any such person to the fullest extent permitted by law. Failure by the Sponsor to enforce any provision of these Official Rules shall not constitute a waiver of that provision.
    Entries generated by script, macro or other automated means will be void. Sponsor is not responsible for misdirected, incomplete, lost, late, or inaccurate entries, nor for technical, hardware, or software failures of any kind, lost or unavailable network connections, or failed, incomplete, garbled or delayed computer transmissions or other errors or problems which may limit or affect a person’s ability to participate in the Sweepstakes, whether human, mechanical, typographical, printing, electronic, network or otherwise, relating to or in connection with the Sweepstakes, including, without limitation, errors which may occur in connection with the administration of the Sweepstakes, the processing of the Submissions, the announcement of the prize or in any Sweepstakes-related materials. Proof of submission is not considered proof of delivery or receipt. In the event of sabotage, acts of God, terrorism or threats thereof, computer virus or other events or causes beyond Sponsor’s control, which corrupt the integrity, administration, security or proper operation of the Sweepstakes, Sponsor reserves the right, in its sole discretion, to modify, cancel or suspend the Sweepstakes. False or deceptive Submissions or acts will render the Entrant ineligible. Each Entrant hereby acknowledges and agrees that the relationship between Entrant and Sponsor is not a confidential, fiduciary, or other special relationship, and that Entrant’s decision to submit his/her Submission to Sponsor for purposes of the Sweepstakes does not place Sponsor in a position that is any different from the position held by members of the general public with regard to elements of Entrant’s Submission. By entering this Sweepstakes, Entrant acknowledges and agrees that Sponsor may receive many Submissions under this Sweepstakes, Entrant acknowledges and agrees that Sponsor has not, nor shall have in the future, any duty or liability, direct or indirect, vicarious, contributory, or otherwise, with respect to the infringement or protection of any copyright in and to Entrant’s Submission. All entries become the property of Sponsor.
    By entering this Sweepstakes, Entrants grant Sweepstakes Entities and their designees the right, unless prohibited by law, to use their names, cities and states of residences, Submission and Entrant’s Likeness, without compensation, notification or approval, for the purpose of advertising and publicizing the goods and services of the Sweepstakes Entities and all matters related to the Sweepstakes, in any manner or medium, now or hereafter known, throughout the world in perpetuity. Winner will be required to execute winner release form and return those items within five (5) business days of issuance of notification. Entrant agrees to execute all documents and take all reasonable actions necessary to comply with the terms of this agreement. Noncompliance within this time period or failure of a potential Winner to respond to a notification attempt within five (5) days of such attempt may result in disqualification and, at Sponsor’s sole discretion an alternate winner may be selected. If: (i) any prize or prize notification is returned as undeliverable, (ii) a potential Winner declines his or her prize, (iii) a potential Winner fails to comply with any of the Official Rules as outlined herein, such potential Winner will be disqualified and an alternate Winner will be selected by the Judges at the Sponsor’s sole discretion. With respect to each Entrant’s Submission and Likeness, Entrants hereby irrevocably grant Sponsor, consistent with copyright ownership, the exclusive, perpetual, worldwide right to use the Submission and Entrant’s Likeness in whole or in part, alone or in combination with other material, or as a basis for new material, as Sponsor may determine in their sole discretion and for the purposes of advertising and promoting the Sweepstakes and/or the Sponsor’s thereof, and to use the Submission and/or Entrant’s Likeness in connection with the Sweepstakes, and related advertising and promotion or otherwise. Without limiting the generality of the foregoing, Entrants agree that the rights granted hereunder shall include, but not be limited to, the perpetual, worldwide right of Sponsor and their designees to use, edit, adapt, arrange, telecast, cablecast, rerun, record, publish, reproduce, license, print, distribute and/or otherwise exploit, in any language and in all media now known or hereafter devised, the Submission and/or Entrant’s Likeness in whole or in part, without any further compensation to Entrant. Entrants may be required to execute any documents necessary to perfect such rights to the Sponsor. The Sweepstakes Entities expressly disclaim any responsibility and Entrants agree to indemnify and hold harmless the Sweepstakes Entities from and against any and all claims, actions, demands and/or liability for injury, damage or loss whatsoever relating to or arising in connection with participation in this Sweepstakes (regardless of the cause of such injury, damage or loss) and/or the delivery and/or subsequent use or misuse of the prize awarded.
    ANY ATTEMPT BY AN ENTRANT OR ANY OTHER INDIVIDUAL TO DELIBERATELY CIRCUMVENT, DISRUPT OR DAMAGE ORDINARY AND NORMAL OPERATION OF THIS SWEEPSTAKES, TELEPHONE SYSTEMS OR WEBSITES, OR UNDERMINE THE LEGITIMATE OPERATION OF THE SWEEPSTAKES IS A VIOLATION OF CRIMINAL AND CIVIL LAWS AND SHOULD SUCH AN ATTEMPT BE MADE, COMPANY RESERVES THE RIGHT TO SEEK DAMAGES FROM ANY SUCH ENTRANT TO THE FULLEST EXTENT PERMITTED BY LAW.
  10. Release and Limitations of Liability
    By participating in the Sweepstakes, entrants agree to release and hold harmless the Sponsor, and each of their respective parents, Franchisees, subsidiaries, affiliates, advertising and promotion agencies, other companies associated with the Sweepstakes, and each of their respective officers, directors, employees, shareholders, representatives, and agents (the Released Parties) from and against any claim or cause of action arising out of participation in the Sweepstakes or receipt or use of the prize (including any travel or activity related thereto), including, but not limited to: (a) any technical errors associated with the Sweepstakes, including lost, interrupted or unavailable Internet Service Provider (ISP), network, server, wireless service provider, or other connections, availability or accessibility or miscommunications or failed computer, satellite, telephone, cellular tower or cable transmissions, lines, or technical failure or jumbled, scrambled, delayed, or misdirected transmissions or computer hardware or software malfunctions, failures or difficulties; (b) unauthorized human intervention in the Sweepstakes; (c) mechanical, network, electronic, computer, human, printing or typographical errors; (d)application downloads, (e) any other errors or problems in connection with the Sweepstakes, including, without limitation, errors that may occur in the administration of the Sweepstakes, the announcement of the winner, the cancellation or postponement of the event and/or the flyover, if applicable, the incorrect downloading of the application the processing of entries application downloads or in any Sweepstakes-related materials; or (f) injury, death, losses or damages of any kind, to persons or property which may be caused, directly or indirectly, in whole or in part, from entrants participation in the Sweepstakes or acceptance, receipt or misuse of the prize (including any travel or activity related thereto). Entrant further agrees that in any cause of action, the Released Parties liability will be limited to the cost of entering and participating in the Sweepstakes, and in no event shall the entrant be entitled to receive attorneys fees. Released Parties are also not responsible for any incorrect or inaccurate information, whether caused by site users, tampering, hacking, or by any equipment or programming associated with or utilized in the Sweepstakes. Entrant waives the right to claim any damages whatsoever, including, but not limited to, punitive, consequential, direct, or indirect damages.
  11. Dispute
    Except where prohibited, each entrant agrees that any and all disputes, claims, and causes of action arising out of, or connected with, the Sweepstakes or any prize awarded shall be resolved individually, without resort to any form of class action, and exclusively by the appropriate court located in North Carolina. All issues and questions concerning the construction, validity, interpretation and enforceability of these Official Rules, entrants rights and obligations, or the rights and obligations of the Sponsor in connection with the Sweepstakes, shall be governed by, and construed in accordance with, the laws of North Carolina, without giving effect to any choice of law or conflict of law rules, which would cause the application of the laws of any jurisdiction other than Maryland.
  12. Privacy
    Information collected from entrants is subject to Sponsor’s privacy policy.
  13. Winner List
    All winners will be posted on the Sweepstakes page, and a list of winners will be available on subsequent Sweepstakes pages. To request the name of the winner send a self-addressed, stamped envelope to
    JADE Learning, 11635 Northpark Dr, Suite 360, Wake Forest, NC 27587.