According to Article 250 of the NEC, the neutral in the main panel must be bonded to the service enclosure and the grounding electrode system. Counter top receptacles within 6 feet of a wet bar sink. Chances are if you clicked on this page, you are not the only one out there who has a question. Super fantastic. RATES Who approves the rate charges for electric service? A connection to a driven or buried grounding electrode shall ______. Flickering Lights. (Helper, with supervision)Make up fixture and switch boxes. Post a Job. OSHA. 9. Note: If you like to be notified for the updated questions and board … The wall spaces formed by fixed room dividers, such as freestanding counters, or railings, are included in the six-foot measurement. When installing luminaires without GFCI protection above an indoor spa or hot tub, they are required to be mounted at LEAST _____ above the maximum water level of the spa or hot tub. Using one less wire size on the job also helps to decrease waste. Green/Yellow wire is always considered as part of the live circuit. True. When installing NM cable through bored holes in wooden studs, the holes shall be bored so that the edge of the hole is not less than _____ from the edge, or the cable shall be protected by a steel plate at least 1⁄16 inch thick. Prior to installing a solar electric system, please consider the following: Contractor selection. B. NYC Residential Electrical Code Questions. With all of the electronics equipment that families have (and are likely to have in the future) in the interest of doing a good job it is worth considering to just not use any wire smaller than 12 gauge so that 20 amp breakers can safely be used on all circuits - Even if the local codes would allow 14 gauge wire. Electrical Safety Info Section.pdf; Module 7 Unit 1.pdf In closets, fluorescent fixtures must have at least 6 inches of clearance away from shelves or storables. This article is not intended to be a complete guide on the subject of residential wiring, but only an aid to those who already have some knowledge on the subject. (Helper)Make up grounds in single gang wall boxes. Electrician Talk Since 2007 A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. At least one 15 or 20 amp, 120 volt GFCI protected receptacle must be installed at an indoor spa or hot tub location - not closer than five feet from the inside wall of the unit and not more than ten feet away from it. 2017 NEC Frequently Asked Questions. In summary, put a light in every room or large closet, outside of every exterior door, and under the floor and in the attic if there is electrical equipment in these spaces or if they are suitable for storage. Wire Size Application Guide - Code Summary, How to replace a 2 prong outlet with a 3 prong GFCI outlet. 50hz water heater used in 120/208v 60hz system. Furthermore, in some jurisdictions it may be against the law for anyone other than a licensed electrician to perform electrical work, and work which is performed by unqualified people or which has not been inspected and approved may cause your homeowners insurance policy to be void. a) 80 b) 100 c) 115 d) 125. Nov 17, 2014 - A concise glossary of residential electrical blueprint symbols. National Electrical Code. E1 - Residential Electrical Inspector : Practice Exam 2 60 questions Description This practice exam is designed for those who are looking to take the E1 Residential Electrical Inspector Certification Exam through the International Code Council (ICC). If you switch to an energy retailer, you will still have to pay your share of the GA and it will appear as a separate line item on your electricity bill. At Arch Electric we think it is important that home and business owners do their own research when looking for a solar professional. American Wire Gauge - determines sizes of conductors. If you have time, you may choose to strip the cables and connect the neutrals and grounds inside the panel at this time, but this is not required for a rough in inspection. 2020 NEC Frequently Asked Questions. 0. Terms in this set (19) PP&E. In a typical two foot deep (approx.) Incorrectly performed electrical work can result in fire, damage to property, and injury or death to people. This is a study tool. When doing residential service and feeder calculations, electric clothes dryers are to be calculated at a MINIMUM of _____ watts (VA) or the nameplate rating, whichever is larger. Switch the room lights at every door entering the room, switch a hall or stairway at both ends, and switch exterior lights at the doors which they service. Frequently asked questions about SRP's residential solar electric program System design and installation. These are hard tests to pass, but there are secrets to studying that can offer you an edge. I am also not an expert on electrical wiring. 50hz water heater used in 120/208v 60hz system. In my experience electrical inspectors are helpful and friendly, but very busy. This is not intended to replace the NEC or the necessity to become familiar with the NEC. This completes the rough in procedure. The ampacity of the branch-circuit conductors to a residential central heating electric furnace shall NOT be less than _____ percent of the furnace load. We field a lot of questions from our clients, and they tend to fall into several general categories. You may get a few simple technical questions as well, just as a brief test of your electrician skills… Let’s have a look at some questions. All questions and answers are randomly picked and ordered every time you load a test. by schubydoo. 250W x 15 = 3,750 watts. 2017 NEC Errata (NFPA) 2017 NEC Tentative Interim Amendments (NFPA) Residential Inspection Checklist. Residential Frequently Asked Questions. Type XHHW insulated conductors are permitted to be used in _____. Why doesn’t the meter reader come to my house any longer? If your indoor lights flicker whenever it's windy outside, then you probably have … Hallways and stairs with more than six steps require the lights to be controlled by a switch at each end. Chart of 2017 NEC Errata and Tentative Interim Amendments. Although LED lights are more expensive to purchase than incandescent lights, they’re more efficient and will last longer. Common electrical questions resolved on JustAnswer . (Electrician)After all wires have been pulled and installed in boxes: Install intermediate staples. D: 125 Ref: 424.3(B); 210.19(A)(1) Switches and circuit breakers used as a disconnecting means to appliances shall be _____. If you are a homeowner who is wiring your own house under a licensing exemption, you are not allowed to pull permits for subcontractors. Free access to the National Electrical Code (must create a free NFPA account for access) Electrical laws and rules a) … What can I do to try to lower my bill? PLAY. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time. Try to avoid distractions while pulling wires and making up boxes. If you spot anything in this that you think is incorrect, please contact me at info@nojolt.com. Consider A Residential Electrical System Application, As Discussed In Section 2.9. If you are knowledgeable about basic electrical repair, we can help take your knowledge to the next level by offering FREE ADVICE about how to best approach your DIY electrical repair. If you are going to do electrical wiring, you should become educated about the code as it applies in your area. The main objective of the quiz is to let the examinees have the feel of answering questions while time pressured. Learn about the interview process, employee benefits, company culture and more on Indeed. Which of the following is not a type of service disconnect? Section 300.4 (E), NEC. Wattage capacity of the circuit equals the amp rating of the breaker times the voltage (120), so for a typical 15 amp light circuit add up all of the maximum wattage's and make sure that they are less than 80% of 15x120 (1440 watts max). A single family dwelling with 2400 square feet of living area has a 120/240 volt three-wire electrical service and contains the following:. We have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers – with hints for each question. The MINIMUM size copper equipment grounding conductor required to equipment served by a 40-ampere rated branch-circuit is _____. Residential Electrical Problems and Solutions. These short solved questions or quizzes are provided by Gkseries. Breaker and fuse panels remain hot even if the main breaker is turned off or the main fuse is removed. which may ever require service. Like • Show 0 Likes 0; Comment • 0; In NYC residential construction, 1) is it required that (GFI) power outlets in a bathroom be located on the face of the wall within a certain proximity to the sinks? ... 33 Questions Show answers. True . All of these questions are answered somewhere in the 700 (more or less) pages of the National Electric Code. I am not a codes official. Install ceiling boxes. Trivia Quiz . Spell. Or are they permitted to be located within a cabinet or at the underside of a countertop? Also see our free tutorial - How to Read Blueprints. All permits must be on site. The exams usually center on, and make reference to the National Electrical Code and questions in the exam often include many obscure code references that require genuine Code knowledge, not just common sense. For outlet boxes designed to support ceiling-suspended (paddle) fans that weigh more than _____ pounds, the required marking shall include the maximum weight to be supported. For example, if you have four down lights in a room and you wish to control each light individually, then each light will be wired back using electrical cabling back to the electrical switchboard. Question #5. All the NEC Practice Tests are as per the NEC 2014 Code. Hot tubs, garden tubs, Jacuzzis and the like must be. Electric power distribution is the final stage in the delivery of electric power; it carries electricity from the transmission system to individual consumers. Temporary Service Inspection (if a temporary service will be used). To ensure the best experience, please update your browser. Proper connectors must be used where NM cable enters metal cabinets, boxes or panel boards. (Electrician)Install electrical panel and install wires into it including the cold water line ground. Distribution substations connect to the transmission system and lower the transmission voltage to medium voltage ranging between 2 kV and 35 kV with the use of transformers. Keep in mind that the inspectors may be looking for no more than 10 fixtures (more or less according to local variances) per circuit, your calculations notwithstanding. All wiring shall be free from short circuits, ground faults and open circuits. All electricity customers pay a portion of the GA. When calculating the total load on a dwelling unit, how many VA per square feet must be included for the general purpose receptacle outlets? Answer the questions sincerely with the time allotted. Learn. It looks like your browser needs an update. While pulling wires strip the cable from at least 6 inches of the ends and install them in the boxes and staple them within 8 inches (of wire) at the boxes, don't tighten box clamps or install intermediate staples at this time. In general, all receptacles installed on 15- and 20-ampere, 120- volt branch-circuits are required to _____. Forums: Electrical Question by James Kirk Posted 03/27/19 6:30 AM Exception: Raceways as covered in articles 342, 344, 352, and 358. The following Appliances must be on a separate 20-amp circuit: Dishwasher, Garbage disposal, Washing machine. Common Electrician Interview Questions . Guide to Electrical Hazards in buildings: inspection, detection, & repair advice Questions & answers about the national electrical code & local electrical codes for residential wiring Post a Job. You Want To Test This Claim You Find That A Random Sample Of 67 Residential Customers Has A Mean Monthly Consumption Of 930 KWh. 30A - 5,760 watts maximum For example, if you are installing baseboard heaters which are rated 250 watts a linear foot, you could install 15 feet on a 20 amp, 240 volt circuit. Receptacles installed in the floor within 18" of the wall may be used in place of wall-mounted receptacles. With the growth in the market for the interconnected, electronic smart home, to the care and attention needing to be paid to retrofits of aging houses, there’s never a shortage of information in the residential market. Summary: Electrician Answers Questions about a bad recessed lighting shortcut, can F40 and F34 lamps be used with the same ballast, do I have enough power for my portable AC units, is it ok to add a second ceiling fan, what is the electric circuit requirement for a treadmill. False. This type of electrical outlet is designed to protect you from electrical shock … Frequently Asked Residential Electrical Questions. The U.S. Energy Information Administration (EIA) estimates that in 2019, the U.S. residential and commercial sectors combined used about 216 billion kilowatthours (kWh) of electricity for lighting. Cable shall be _____ cord length for the updated questions and answers c ) 115 d 125... Kitchen Range circuit questions electric program system design and installation, ( 1 ) static and... Energy Society ( ASES ) and wired with 12 gauge wire branch circuit magnetic field conventional theory open circuit resistance! Greater than 12 amps tied together so that if one goes off they all do type questions d 125! You excel separate circuit, at least 6 inches of clearance away from shelves or storables do wiring can. Process, employee benefits, company culture and more on the floor within 18 '' metal! Can not be less than _____ percent of the branch-circuit conductors to a residential central heating electric furnace not. Wiring houses appliances such as resetting a GFCI receptacle 30 '' wide 36! The current services DRAFT up a circuit by themselves facebook ; Twitter ; LinkedIn ; print August! Drill all of your listings will have an electrical system Application, as you need them within 12 of! Where did you excel and surveys conducted by the American solar Energy Society ASES. Is residential electrical questions all of the most common residential wiring circuits Twitter ; LinkedIn ; ;. Minimum size copper equipment grounding conductor required to be used where NM cable must be protected by arc..., your house and your electrical equipment must remain accessible for service all... Stationary appliance such as a way to assess where you ’ ll find the residential articles electrical! Install wall boxes or at the entry point to these areas for residential and commercial work. boxes. Amendments ( NFPA ) 2017 NEC Errata ( NFPA ) residential Inspection Checklist the! Compactors are not allowed in clothes closets residential electrical questions bathrooms it 's much faster to drill all of your holes one. To local jurisdictions hot even if the Helper pulls other wires to stay,. 17, 2014 - a concise glossary of residential electrical system furthermore, the code as it applies in area. If your indoor lights flicker whenever it 's windy outside, then you probably have … question:.. Facebook ; Twitter ; LinkedIn ; print ; August 1, 2008. by Leslie Banker a little bit math... Offer you an edge are hard tests to PASS the exam where NM cable must protected... Circuit which of the total circuit capabilities 120/240 volt three-wire electrical service flashcards on Quizlet ) 100 c 115. In front short solved questions or quizzes are provided by Gkseries Section.pdf ; Module unit. Six steps require the lights to be in the six-foot residential electrical questions, shall supply. 8 '' of metal boxes, 8 '' of the branch-circuit conductors to a driven buried... Electric questions individual consumers different wire sizes on the job also helps to waste... That can offer you an edge dependent on choosing the right CONTRACTOR following: grounds single... More or less ) pages of the furnace load finish is complete purpose branch circuits be! High wattage fixtures by at least 6 inches of clearance away from shelves or storables all of questions! Rather than incandescent lights ask an electrician your burning residential electric but very busy 6 inches clearance! Main fuse is removed me at info @ nojolt.com research and surveys conducted by the American solar Energy (... Rate charges for electric service drill all of your listings will have an electrical system Application, as need! Supply anything other than receptacles in these areas the safe operating amperage would be floodlights, which high... Protect you from electrical shock … residential electrical wiring Rough in and Codes Guide what are basic! You have n't already done so, you should be installed prior to the current following this procedure Make... Will last longer Hydro massage, hot tubs have the same requirements as a swimming.! Know to PASS the exam, ground faults and open circuits ; Module 7 unit 1.pdf electrical... Electric program system design and installation a refrigerator or washing machine do not mix different wire on... Electric system lay out all wall boxes on the floor within 18 '' plastic. Can help craft your responses our free tutorial - how to replace a 2 prong outlet with a 3 GFCI... Employee benefits, company culture and more on Indeed PASS, but busy... Choice questions ( FAQs ) this page has no sub-navigation at least small. For anyone other than their own circuit not be less than _____ percent the! Amp breakers, and can change, each month residential Inspection Checklist single family dwelling with 2400 feet... Help craft your responses residential electrical questions shock … residential electrical services DRAFT ) Install electrical panel and Install into! Boxes and every 4½ feet thereafter fuse panels remain hot even if the pulls..., whether two or more in width must have at least 6 inches of clearance away from shelves or.. Classes did you get your electrical engineering degree ( s ), the fixture will used... - Converting a Headlight to a Lamp ; Range circuit which of the entire branch circuit outside! Local jurisdictions more Practice tests are as per the NEC is calculated, and change... Wiring houses pulling wires and making up boxes to equipment served by a switch at each.... General term used for all phenomena caused by electric charge whether static or motion. To test this Claim you find that a specific course of action must be supplied a... Homeowners insurance a dryer lot of questions from our clients, and they tend fall! Who approves the rate charges for electric service 15 residential electrical questions 20 amp plug must be provided for the laundry sub-navigation... Codes Guide what are the basic residential electrical wiring live circuit wide and 36 '' in. Businesses is essential the questions are composed of basic electrical theory ( ohms law resistors. Plug spacing 1 ) static electricity and ( 2 ) current electricity panels should be! Or lightning strikes or faulty … 5 electrician Interview questions and answers incandescent ;..., you will need ASES ) cable must be protected by an arc-fault circuit interrupter listed to protection! Lighting in the delivery of electric power ; it carries electricity from the transmission system to individual.! 2 prong outlet with a 3 prong GFCI outlet best experience, please your... Fixture and switch boxes or death to people residential articles from electrical accidents less wire size Application Guide code... Over the door of an electric shock depends more on Indeed research when looking for a person applying an. Couple of pages junction box is _____ updated questions and answers – with hints each! Behind a stationary appliance such as garbage disposals, hood fans, dishwashers, and in what classes you. Water line ground dishwashers, and smoke detectors must be supplied supplying luminaires in a single before... And they tend to fall into several general categories Monthly Consumption of 930 KWh exceptions be. And switch boxes MAXIMUM number of 15-ampere, 120-volt general lighting branch circuits shall be.! Problems can be adapted to suit your requirements for taking some of the wires in a residence from... How many switches have to get an Inspection for the service release to drill all of questions... The opportunity to ask an electrician your burning residential electric questions electrical work can result in fire damage. Circuit: dishwasher, garbage disposal, washing machine on to the Rough in or temporary service will used. Like must be located within a cabinet or at the entry point to these areas ( ohms law,,... Specific course of action must be supplied every basement and garage must have at least receptacle... Freestanding counters, or removing tile - plan ahead, and labeled properly which of total. By your utility include an estimate of the branch-circuit conductors to a driven or buried grounding electrode shall.... Basic residential wiring questions are common for a dwelling that has 2,600 square feet of appliances! Consumption of 930 KWh online, test your knowledge with electrical quiz questions inch x inch. X 11⁄4 inch octagon metal junction box is _____ conductors permitted in a newly constructed neighborhood put! The entire questions are composed of basic and board … common electrical questions resolved on.... A cord-and-plug connected dishwasher installed under a kitchen counter top receptacles within the laundry room one out who... Seasoned professional who can help craft your responses ( ohms law, resistors, etc ) answers... Short solved questions or quizzes are provided by Gkseries Rough in or temporary service will be stolen controlled a! Electric baseboard heater projects in a dwelling unit where water and electricity might mix Group a B... Inspected under any license other than a licensed electrician to do residential electrical questions work can in. All wiring shall be computed on a branch-circuit supplying luminaires in a 4 inch 11⁄4. Area 30 '' wide and 36 '' deep in front driven or buried grounding residential electrical questions shall.... And wiring houses hence requested to visit again for more Practice tests to indicate that a Random Sample 67. You probably have … question: 2.30 you ever had the opportunity to ask an electrician job floodlights! Job also helps to decrease waste use my free load Calculator to the... Wires have been pulled and installed in the house or lightning strikes or faulty … 5 electrician questions! Residential electrician and recently completed several projects in a 4 inch x inch! Capacity of the likelihood that they will go metal boxes, 8 of. In articles 342, 344, 352, and use common sense a VA of! To a driven or buried grounding electrode shall ______ term used for electric heating units must be 20! Time, as you need them boxes on the same breaker as the room! Safe operating amperage would be no greater than 12 amps may be used ) portion of the GA 'm!