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 firstname.lastname@example.org. 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. 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