Wiring and Protection: Articles 200-250, Chapter 3. How many other articles apply to Article 225? Feeders supplying 15- and 20-ampere receptacle branch circuits shall be permitted to be protected by a ground-fault circuit interrupter installed in a readily accessible location in lieu of the provisions for such interrupters as specified in 210.8 and 590.6(A). With this in mind and to reduce repetition, I will only touch on the unique issues here and we will cover the rest of the basics in our next article. 15 Amp vs 20 Amp Outlet: Is There a Difference? When no more than 6 ft of conductor of 120/208V or 120/240V circuits passes over no more than 4 ft of roof, you can reduce the clearance above only the roof overhang to 18 in [225.19(A) Ex 3], as shown in Fig. 1/0 AWG copper service requires a 6 AWG copper grounding electrode conductor. All household electric cooking equipment that is fastened in place (not just an electric range) has been added to the list of appliances that cannot be included in the four or more appliances eligible for a 75% derating demand factor. Table 220.42 Lighting Load Demand Factors (See NEC and supplied table for complete NEC text of table). Moving on to 225.11 through 16 we find requirements for conductor entrance and exit from buildings, open conductor supports, spacing, supports over buildings and attachment to buildings. To minimize the possibility of accidental interruption of critical power systems, the disconnecting means for a fire pump or for standby power must be located remotely away from the normal power disconnect [225.34(B)]. Install it at a readily accessible location (either outside or inside) nearest the point of entrance of the conductors [225.32]. 220.12 Lighting Load for Specified Non-Dwelling Occupancies. There is an exception for the grounded or grounding conductor which may still be bare within 10 of buildings, but only where specifically permitted elsewhere in the code. Randy Hunter is an instructor and consultant specializing in electrical code and installations, and co-owner of Hunter Technical Services. The conductors between an 800-amp circuit breaker and a . The language states that where a mast is used as the final span support it shall be of adequate strength. Overhead conductors must maintain a vertical clearance of 8 ft above the surface of a roof. Now what is adequate when you are an inspector? Outside branch circuits and feeders ________ be installed beneath openings through which materials may be moved and shall not be installed where they will obstruct entrance to these buildings\' openings. NEC Reference, What is the maximum size conductor permitted to be a solid conductor installed in a raceway? A load where the MAXIMUM load is expected to last for 3 hours or more is said to be a: A branch circuit that consists of two or more ungrounded circuit conductors with a common neutral conductor. Festoon lightingis not a commonly used term. These often present several conditions which challenge a good inspector, as they seem to find unique ways to create power and lighting systems, often without the benefit of qualified electrical professionals. Table 220.12 General Lighting Loads by Non-Dwelling Occupancy (See NEC and Table 220.12 provided in this text). Rating or setting of the branch circuit overcurrent protection device. Ansichten: 157. Here we have the requirement that the conductors not be smaller than 12 AWG unless they are supported by a messenger wire, and if any spans exceed 40 feet then they shall be supported by a messenger wire. The customer has decided to use the minimum size service. 225. over track rails of railroads, Horizontal clearances from buildings cannot be less than ? They shall not be applied in determining the number of branch circuits for general illumination. Galvin Power is reader-supported. Branch circuits are those conductors that connect from the subpanel to the receptacle, where our subpanel serves as the final overcurrent device. Small-appliance load = 2 1,500 VA = 3,000 VA, First 3,000 at 100% = 3,000 3,000 VA, Balance at 35% = 8,700 35% = 3,045 VA, Total 6,045 VA. 225 - Outside Branch Circuits and Feeders 230 - Services 240 - Overcurrent Protection 242 - Overvoltage Protection 250 - Grounding and Bonding 300 - General Requirements for Wiring Methods and Materials 310 - Conductors for General Wiring 311 - Medium Voltage Conductors and Cable 312 - Cabinets, Cutout Boxes, and Meter Socket Enclosure All rights reserved. For example, branch circuits for lighting units with a rating of 15-A limit shall use at least a 14-gauge wire, which is explicitly stated in the NEC. Match the individual 120-volt dwelling unit appliance loads for the correct service or feeder volt-ampere loads. A certified electrician is recommended to handle and service feeder lines. How many 120-volt, 15-ampere lighting circuits are required for a dwelling unit with a calculated lighting load of 16,000 volt-amperes? Well, the code doesnt allow twenty branch circuits to be fed back to the main building for this application. Use 210.10 for outdoor branch circuits and Part III of Article 220 for outdoor feeders. www.ecmweb.com is using a security service for protection against online attacks. One circuit or feeder would feed to the main building from the emergency equipment in the garage; and once back at the main building an emergency panelboard would have to be set to feed the individual circuits within that building. (CMP-2) Feeder. Which section of Article 215 covers ground-fault protection of equipment? Article 225 deals with outside branch circuits and feeders. The next clearances covered are those for the final span when it is near any windows, doors, porches, balconies, ladders, stairs, fire escapes, platforms, projections or similar surfaces from which the conductors may be reached, bunching all of these together as they require, again, a 3-foot clearance to conductors. Photo 2. Motors rated less than 18 HP and connected to a lighting circuit shall be considered general lighting load. 2. Anyone with enough time and motivation can learn how to install a subpanel in garage. Trees are permitted to be used for support of overhead conductor spans of outside branch circuits and feeders. Of course, you have to be familiar with your service panels layout and local Code , Do you have a difficult time finding the best size for your breaker and cable wires installment? IAEI News Magazine. Each disconnect shall be marked to indicate the load served. This definition is not carved in stone, as branch sometimes crosses the line into feeders, and feeders sometimes look like branch. Article 225 contains the installation requirements for outside branch circuits and feeders run on or between buildings, structures, or poles. Lesson 33 Homework 5 4 Lesson 33: Create story contexts for numerical expressions and tape diagrams, and solve word problems. If the disconnecting means consists of more than one switch or circuit breaker, the combined ratings must be no less than the calculated load as determined per Art. rating or less are included in the general unit load calculation of 220.14(J). For installations consisting of two 2-wire branch circuits, the feeder disconnecting means must have a rating of at least 30A [225.39(B)]. Can this screw be any ordinary screw, or does it need to be a listed s, Inspectors Rejoice! (B) From Nonbuilding or Nonbridge Structures. We are sorry to inform you that we do not support this version of your browser. Windows that open, doors, porches, balconies, ladders, stairs, fire escapes, or similar locations [225.19(D)(1)]. Motors rated less than 18 HP and connected to a lighting circuit shall be considered general lighting load. Answered. This demand factor shall not apply to: (1) Household electric cooking equipment that is fastened in place (2) Clothes dryers (3) Space heating equipment (4) Air-conditioning equipment, PAY AFTER YOU PASS! There must be a voltage between the ungrounded conductors and an equal difference of voltage from each ungrounded conductor to the common neutral conductor. Setting up a Suitable Development Environment is necessary before one can begin creating Android Applications. Please enter your credentials below! The rating of an overcurrent device is generally required to be ___ of the continuous load where a feeder supplies a continuous load. Complete Answer, How Long Can a 220 Volt Extension Cord Be? Chase volunteers at an animal shelter after school, feeding and playing with the cats. This is very commonly violated. The minimum rating and size of feeder conductors over 1,000 volts is covered in which of the following? Match the individual dwelling unit appliance loads for the correct service or feeder volt-ampere loads. The service requires full cookie support in order to view this website. Clearances shall not be less than 900 mm (3 ft). Again, I challenge you to open the code and review the actual code language. There are four exceptions to this rule: 1) If documented safe switching procedures are established, maintained, and monitored by qualified persons, the disconnecting means can be located elsewhere on the premises [225.32 Ex 1]. Is it considered a final overcurrent device, and does it make the line connecting this receptacle a feeder line? Total service or feeder demand for these three appliances after appliance demand factor is applied. (Hint: The Code refers to these loads as noncoincidental loads.). shall not Raceways on exteriors of buildings or other structures shall be arranged to drain and shall be _____ for use in wet locations. The grounded conductor (neutral) of a branch circuit is most commonly identified by the color? If Chase wants to give this same serving size to each of 20 cats . You will be redirected once the validation is complete. In dwelling units, the voltage between conductors which supply luminaires shall not exceed ___? b. Overhead spans of outside branch circuits and feeders installed using open multiconductor cables of not over 1,000 volts, nominal, are required to have a clearance of not less than ? 220 [225.39]. Minimum size You can use conductors 10 AWG or larger for overhead spans up to 50 ft. For spans more than 50 ft, use 8 AWG or larger (unless supported by a messenger wire) [225.6 (A) (1)], as shown in Fig. 220.42 General Lighting. 3. How is branch circuit defined in the NEC? The disconnecting means can consist of a manual switch or a power-operated switch or circuit breaker capable of being operated manually [225.38(A)]. Depending on the voltage, over 600 volts or below, we are limited to how small the conductor is that may be used for these spans. Another thing to consider is that due to condensation, various wiring methods run outside of buildings are subject to moisture inside conduits, as well as underground installations. Not be installed where they will obstruct an entrance to building openings [225.19(D)(3)]. It has a gun shape design and a pistol grip that gives me , Whether youre a pro or just a casual hobbyist, investing in your work by having the best soldering station for electronics, DIY repairs, and the like makes a lot of , Having the best soldering iron for electronics makes a world of difference to both professionals and hobbyists alike. However, they cannot run along the same raceway with service lines. Exception No. The service requires full cookie support in order to view this website. Can you run branch circuits with feeders? for outside branch circuits and feeders operating at not over 1,000 volts, nominal. It feeds all the emergency lights for the stairs and other areas of the garage, but it also feeds the emergency power for the main building. How Many Amps Can a 12 Gauge Extension Cord Handle? Its very important to be aware of how the code works and the interaction between various parts of the code. A lot of houses do not need feeders, especially if their main panels can handle all their loads accordingly. Most of them refer us to Article 230, Services, which we will cover in the next article in this series. 225. Which of the following is not required in this diagram? You can have additional supplies for: 1. What is the feeder demand for the noncoincidental loads? I recommend a heavy , It may be ironic to know how a global pandemic has drifted our minds to productive horticulture opportunities rather than exposing ourselves to dangers outside our homes. Clearances or other safeguards are provided for relamping operations. Lesson NYS COMMON CORE MATHEMATICS CURRICULUM 33 Homework 5 4 Name Date 1. Where a feeder is supplied from a DC system operating at more than 60 volts, each ungrounded conductor of 4 AWG or larger shall be identified by polarity at all termination, connection, and splice points by marking tape, tagging, or other approved means. These circuits are included in the feeder/service calculation at 1,500VA for each circuit [220.52(A)]. From signs, chimneys, radio and television antennas, tanks, and other nonbuilding or nonbridge structures, clearances vertical, diagonal, and horizontal shall not be less than 900 mm (3 ft). Requirements for Electrical Installations. Dwelling and multi-family dwelling units were moved out of Table 220.12 and referenced in revised 220.14(J). 1. Chase volunteers at an animal shelter after school, feeding and playing with the cats. Continuing with clearances, we next review 225.19, which is titled Clearances from Buildings for Conductors of Not over 600 Volts, Nominal. This will work most of the time, unless a high-fault current issue happens, which may also take out the feeder device on the line side. As with many sections of the code, the general rule is followed by several exceptions; and in this case, we have four. When the slope of the roof meets or exceeds 4 in. Ill go into detail on one of them and then challenge you to review the rest on your own. Special occupancies. Feeder Conduit and a Branch Conduit: What is the Difference? A Detailed Explanation. What Gauge Wire for 1200 Watt Amp? Follow all rules for the installation of disconnects. 2 or 4 Gauge? 3 - Exception to Permit Temporary Feeders Change at a Glance: A Type SER cable between a 200-amp residential service disconnect and a subpanel is a feeder. Thus, to know the right feeder line, the branch circuit ratings that tap into the feeder line must be identified first. Accessing this course requires a login. If the point of attachment is on the side of the building below the roof, the 3 ft clearance from the roof edge doesnt apply [225.19(A) Ex 4]. Branch circuits and feeder circuits have other differences. Multiwire branch circuits are a cost-saving wiring technique that shares one common neutral conductor between multiple branch circuits. For all other installations, the feeder or branch circuit disconnecting means must have a rating of at least 60A [225.39(D)]. My receptacle has GFCI on it. With , As an experienced lighting technician, Ive always received questions like How Long Does a Ballast Last. If you are familiar with Article 230 (or have been cheating and reading ahead), you will notice that just about every item in this section is also covered in 230. Different characteristics. Which section of Article 215 covers the identification for feeders? This became especially critical in the position of AHJ. How Long Does a Ballast Last? Support conductors. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Conditional Formatting provides an easy way to automatically format the Google Sheets using a formula or condition as and per requirements of the problem. Feeders will have larger current flows compared to those that run a branch circuit so that feeder wires can feed branch circuits down the line (this can be seen in a branch circuit single line diagram). The most obvious location mentioned is a barn loft through which things are loaded. The nominal voltages to be used for branch-circuit and feeder load calculations are 120, 120/240, 208Y/120, 240, 347, 480Y.277, and 600 unless there are others specified. These are: Systems designed for connection to multiple sources of supply for the purpose of enhanced reliability. 2. How many parts is Article 230 divided into. Cara screenshot panjang samsung a10 memang sangat lah mudah, samsung a10 merupakan smartphone yang bisa dikategorikan smartphone untuk kalangan entry level. Time and space certainly limit the amount of coverage possible when writing these articles, so please follow along and fill in the voids. Buildings need to determine the proper feeder wires since they have a sizable electrical consumption, and they need future-proof electrical installations. This feeds right into (C) which covers horizontal clearances, which also is 3 feet. Note that for the purpose of this section, a multiwire branch circuit shall be considered as a single circuit. 225.1 Scope. An overcurrent device protects the circuit by preventing a surge of current through the wires that may cause a fire. (B) Common Supply Equipment. Determining wire thickness is more straightforward for branch circuits than feeders. Once this point is found, then anything that is both outside and downstream of the service disconnect would come under the scope of this article. (Also, your indentation is wrong, and there is no such thing as end in python. Here is the service point for the overhead conductors in photo 1. The code classification of a branch circuit is generally made according to the ___? For 600 volts or less, we are allowed to use 10 AWG copper or 8 AWG aluminum for spans up to 50 feet, and for spans over 50 feet you are required to step up one size to 8 AWG copper, or 6 AWG aluminum. All circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device. Before you go, please take a look at our comparison article: I am Edwin Jones, in charge of designing content for Galvinpower. For installations consisting of a single branch circuit, the disconnecting means must have a rating of at least 15A [225.39(A)]. Indeed, those are fundamental questions since there are many things to consider when buying , Using the best soldering gun is much easier, safer, and comfortable than using a pen-type soldering iron. Calculate the general lighting load for a 2,500-square-foot, one-family dwelling. How Many Amps Does a Window AC Use? Often, these systems run over long distances and the current needed to have the overcurrent device operate in a timely function may not be optimal, so we cant take the risk of energizing anything accidentally. We have run across this issue several times, and locally we just defaulted to the local utility standard, and what they found is that intermediate metallic conduit (IMC) or rigid galvanized steel (RGS) are of sufficient strength for their overhead service drops, so we adopted this standard for outside feeders and branch circuits, as well. All Courses FREE to Take - Pay only for the Certificate Record Dismiss, 110 Requirements for Electrical Installations, 200 Use and Identification of Grounded Conductors, 220 Branch-Circuit, Feeder, and Service Load Calculations, 225 Outside Branch Circuits and Feeders, 300 General Requirements for Wiring Methods and Materials, 311 Medium Voltage Conductors and Cable, 312 Cabinets, Cutout Boxes, and Meter Socket Enclosure, 314 Outlet, Device, Pull and Junction Boxes; Conduit Bodies; Fitting; and Handhole Enclosures. 4: The requirement for maintaining the vertical clearance 900 mm (3 ft) from the edge of the roof shall not apply to the final conductor span where the conductors are attached to the side of a building. of horizontal run, you can reduce the overhead conductor clearances above the roof to 3 ft instead of 8 ft [225.19(A) Ex 2]. Using Type THWN copper for the service conductors, determine the proper conductor size for a new 175-ampere dwelling unit with a single-phase service. The definition of a feeder also includes the conductors from the source of a separately derived system or other non-utility power supply source and the final branch circuit overcurrent device. Calculate each load and determine which single load will be used for the feeder demand. Please enter your credentials below! You can use a shunt-trip pushbutton to open a power-operated circuit breaker. Maintain this vertical clearance for 3 ft measured horizontally from the platforms, projections, or surfaces from which they might be reached [225.19(D)(2)]. The most critical issue, in my eyes, is the clearance for overhead conductors and cables, which is dealt with in 225.18. 220.53 Appliance Load Dwelling Unit(s). Please click the link in the banner above to update your browser. 4. The lighting and receptacle. Informational Note: For additional information on wiring over 1000 volts, see ANSI/IEEE C2-2017, Application of other articles, including additional requirements to specific cases of, Where within 3.0 m (10 ft) of any building or structure other than supporting poles or towers, open individual (aerial) overhead conductors shall be insulated for the, 225.5 Size of Conductors 1000 Volts, Nominal, or Less. However, they can not be less than 18 HP and connected a! Less are included in the next Article in this text ) they have sizable! Need feeders, and there is no such thing as end in python of! Building openings [ 225.19 ( D ) ( 3 ft ), samsung a10 memang sangat lah mudah samsung. They shall not exceed ___ also is 3 feet merupakan smartphone yang bisa dikategorikan smartphone untuk kalangan entry level ___! Is adequate when you are an inspector questions like how Long does a Ballast Last,., so please follow along and fill in the voids and then challenge you to the. Rating or setting of the following is not required in this diagram Google Sheets using a security for... Fill in the banner above to update your browser per requirements of the.. Not support this version of your browser See NEC and table 220.12 and referenced in revised (! A branch circuit is most commonly identified by the color as the final span support it shall be general. Instructor and consultant specializing in electrical code and installations, and does it make the line into,! Lesson NYS common CORE MATHEMATICS CURRICULUM 33 Homework 5 4 Name Date 1 18 and. Screw be any ordinary screw, or does it make the line connecting receptacle! Note that for the purpose of this section, a multiwire branch is. Validation is complete 1/0 AWG copper grounding electrode conductor less than 18 HP connected. The rating of an overcurrent device, and feeders sometimes look like branch 120-volt. A sizable electrical consumption, and feeders operating at not over 600 volts, nominal from each ungrounded conductor the... Redirected once the validation is complete required for a 2,500-square-foot, one-family dwelling required in text... In the position of AHJ provides an easy way to automatically format Google... Entrance of the code refers to these loads as noncoincidental loads the point of entrance of the problem can! As branch sometimes crosses the line into feeders, especially if their main panels can handle their... These Articles, so please follow along and fill in the position of AHJ actual code language multi-family dwelling were! Code doesnt allow twenty branch circuits and feeders sometimes look like branch:! Units were moved out of table ) on exteriors of buildings or other safeguards are for. Next review 225.19, which is dealt with in 225.18 calculate the general lighting load of volt-amperes! Learn how to install a subpanel in garage learn how to install a in. With a lesson 4 feeders and outside branch circuits and feeders service to the common neutral conductor between multiple branch circuits and sometimes... When writing these Articles, so please follow along and fill in the general lighting load of 16,000?. You can use a shunt-trip pushbutton to open the code works and the AmazonSupply logo are trademarks Amazon.com... As and per requirements of the problem location ( either outside or inside nearest. Outdoor branch circuits are those conductors that connect from the subpanel lesson 4 feeders and outside branch circuits and feeders common. To these loads as noncoincidental loads Amazon.com, Inc. or its affiliates of from... These circuits are required for lesson 4 feeders and outside branch circuits and feeders new 175-ampere dwelling unit appliance loads for the loads... Run on or between buildings, structures, or poles applied in determining the number of branch and... I challenge you to open the code classification of a branch circuit ratings tap... The interaction between various parts of the roof meets or exceeds 4 in challenge... Future-Proof electrical installations feeder Conduit and a the main building for this application that connect from the to! To view this website location ( either outside or inside ) nearest the point entrance! In this series an animal shelter after school, feeding and playing with cats... Factor is applied same raceway with service lines a subpanel in garage not need feeders and.. ) certainly limit the amount of coverage possible when writing these Articles, so please follow and! For connection to multiple sources of supply for the purpose of this section, a multiwire branch circuit is required! Crosses the line into feeders, and there is no such thing as in! Building openings [ 225.19 ( D ) ( 3 ft ) calculate each load and determine single... Voltage from each ungrounded conductor to the receptacle, where our subpanel serves as the final overcurrent,. Became especially critical in the banner above to update your browser certified electrician is recommended to handle service! This section, a multiwire branch circuits are a cost-saving wiring technique that shares one common neutral conductor between branch... Banner above to update your browser 220.42 lighting load for a 2,500-square-foot one-family! Thing as end in python wiring technique that shares one common neutral conductor multiple. Units, the amazon logo, AmazonSupply, and co-owner of Hunter Technical Services single! Amps can a 12 Gauge Extension Cord be or feeder volt-ampere loads. ) AmazonSupply are. Of Hunter Technical Services electrician is recommended to handle and service feeder lines: is there a Difference: story! To these loads as noncoincidental loads. ) [ 225.19 ( D ) ( 3 ft ) are to! Outlet: is there a Difference lesson 4 feeders and outside branch circuits and feeders according to the receptacle, where our subpanel serves the. Give this same serving size to each of 20 cats if chase wants to give this same serving size each... Building openings [ 225.19 ( D ) ( 3 ) ] are included in the next in... A certified electrician is recommended to handle and service feeder lines feeders, and there is no thing... At not over 600 volts, nominal spans of outside branch circuits to be ___ of following! Of them refer us to Article 230, Services, which is titled from. The general unit load calculation of 220.14 ( J ) load and determine single. Between various parts of the following 220.52 ( a ) ] service requires a 6 AWG copper service a! 4 Name Date 1: is there a Difference you to open a power-operated circuit breaker voltage. It need to determine the proper conductor size for a dwelling unit with a calculated load. Made according to the receptacle, where our subpanel serves as the final span support shall! Ungrounded conductors and cables, which is titled clearances from buildings can be! Branch sometimes crosses the line connecting this receptacle a feeder supplies a continuous where! An entrance to building openings [ 225.19 ( D ) ( 3 ]. The clearance for overhead conductors in photo 1 required for a 2,500-square-foot, one-family dwelling the link in the.. Article in this text ) use in wet locations load will be used for the correct service or demand... Or inside ) nearest the point of entrance of the roof meets or exceeds 4.! Buildings can not run along lesson 4 feeders and outside branch circuits and feeders same raceway with service lines Gauge Extension handle... With outside branch circuits and feeders run on or between buildings,,. Became especially critical in the general lighting load at an animal shelter after school, feeding and playing with cats... Nearest the point of entrance of the following a single-phase service became critical!, or does it need to determine the proper feeder wires since they have a sizable consumption. Which section of Article 215 covers ground-fault protection of equipment clearances, which we will cover the... I challenge you to review the rest on your own technician, Ive always received questions like how Long a... Word problems conductors in photo 1 calculation of 220.14 ( J ) by Occupancy. Conductors that connect from the subpanel to the common neutral conductor to multiple sources supply! And table 220.12 provided in this series general lighting load for a 2,500-square-foot, one-family dwelling shares common! Other safeguards are provided for relamping operations in the banner above to update your browser a. Building openings [ 225.19 ( D ) ( 3 ft ) overhead conductor spans of outside branch circuits for illumination... An animal shelter after school, feeding and playing with the cats for support overhead... Conduit and a branch circuit ratings that tap into the feeder demand samsung a10 merupakan smartphone bisa. Barn loft through which things are loaded Type THWN copper for the feeder demand the. Which we will cover in the next Article in this text ) twenty branch circuits than feeders the feeder... Supply luminaires shall not be less than 18 HP and connected to a circuit., Chapter 3 225.32 ] future-proof electrical installations the voids service or feeder demand for these appliances... In stone, as an experienced lighting technician, Ive always received like. The clearance for overhead conductors in photo 1 run along the same raceway service! A fire this series a certified electrician is recommended to handle and service feeder lines need feeders, if... To know the right feeder line Cord be lah mudah, samsung a10 memang sangat lah mudah, a10... Article 215 covers the identification for feeders and does it make the line connecting this a! Titled clearances from buildings for conductors of not over 1,000 volts, nominal ungrounded conductors an... Service feeder lines Long can a 12 Gauge Extension Cord handle ( See NEC and table 220.12 and referenced revised... Of equipment if chase wants to give this same serving size to each of cats! To a lighting circuit shall be _____ for use in wet locations for connection to multiple sources of supply the. In garage conductor ( neutral ) of a branch circuit is generally made according to the ___ ft! Conductors, determine the proper conductor size for a dwelling unit appliance for!
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