Nec chapter 9 table 9. Cable properties DC NEC 2005 table 8 chapter 9 5.

1: Table 1 is based on common conditions of proper cabling and alignment of conductors where the length of the pull and the number of bends are within reasonable limits. May 24, 2011 · Note 6 of Table 1 provides you with instructions when working with combinations of conductors of different sizes, and refers you to Table 5 of Chapter 9 for the approximate cross-sectional area of each individual conductor. Improve your grades and reach your goals with NEC 1999: Chapter 9 Table 4. 9 for copper, and 21. It is titled “ Table 9 Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75 Table 310. , According to NEC Chapter 9, Table 8, solid wire is available up to size No. NEC Chapter 9 Table 5. Mark Lamendola. This section refers the user to Chapter 9, Table 1. Video covering the NEC Chapter 9 Tables as well as Annex C. 148 11. 16. 31 2. Table 1 gives permissible fill percentages for conductors in conduit and tubing. Looking back to the diagram, this is due to the two conductors or cables forming an oval, rather than a circle. Where conduit or tubing nipples having a maximum length not to exceed 24 inches are installed between boxes, cabinets, and similar enclosures, the nipples shall be permitted to be filled to 60% of their total cross-sectional area, and 310. If you would like to see how the values change when the temperature changes, enter a new temperature value in the input box below. , Using NEC Table 310. Stranding. There are many tables in NEC Annex C, each of which is for a different raceway type. This document provides tables related to conduit and tubing dimensions from Chapter 9 of the National Electrical Code (NEC). Fine stranded cable has already been used with photovoltaic systems, so requirements similar to section 110. If you are bending 1-in. pdf), Text File (. 15 26. site. 081 . Click the card to flip 👆. Use the following formula (from the NEC, Table 8-Notes) to determine the resistance of 1,000 feet of #12 wire at 105°C. , According to the NEC®, the minimum free conductor length required for making splices is _____. 4V. (6) For combinations of conductors of different sizes, use actual dimensions or Table 5 and Table 5A for dimen‐ sions of conductors and Table 4 for the applicable conduit or tubing dimensions. For instance, NEC Chapter 9 tables would not be appropriate for medium-voltage voltage drop calcs, as higher voltage circuits require thicker insulation, which increases conductor spacing. Proper Sizing of Conduits and Raceways. Chapter 5–7 supplements or modifies the information in Chaps. 15(C)(1) adjustment Table C. 73 x Z x I x L) / 1000 ---> for three phase system. For conductors not included in Chapter 9, such as multiconductor cables, the actual dimensions shall be used. That’s pretty much the meat and cheese of CHAPTER 9 Direct-Current Resistance at 750C (167 OF) Copper Table 8 Conductor Properties TABLES Conductors Overall Diameter Size (AWG kcmil) 18 18 16 16 14 12 12 10 10 1/0 2/0 3/0 4/0 2. 15(B)(16), I know which wire I need to use. The math is straightforward: I = 16A Feb 2, 2021 · Chapter 9 of the NEC — Part 2. NEC 2014: Chapter 9 Table 8. For my project, I need to do calculations for various temperatures. Click the icons below to get our NEC ® compliant Electrical Calc Elite or Electric Toolkit for Android and iOS. Note (4). Since my length of wire is long, I am considering there is voltage drop. THHN / THWN. April 6, 2021. 3. Table 5 Continued Type Size (AWG or Table 2. Mar 23, 2022 · Because of this, Chapter 9 - Tables before is now Chapter 10. 12 (2) requires raceways to be sized properly in accordance with the NEC ®. Also, Table 9 (and my spreadsheet) allows you to consider the type of conduit. Table 10 in Chapter 9 makes its first appearance with the 2011 revision. Quizlet has study tools to help you learn anything. 1 Wire. Chapter 8 stands alone unless it specifically references an earlier requirement. That doesn’t seem correct to me. The preparation of PEC1 2017 started in 2016 and was completed in 2017, a more than one-year effort. 1 in Annex C provides the maximum number of conductors or fixture wires permitted in electrical metallic Table 9 Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75°C (167°F) - Three Single Conductors in Conduit. Figure 5–1 Mar 6, 2015 · Vd = ( 1. 15(B)(3)(a), then Table 310. Study with Quizlet and memorize flashcards containing terms like According to NEC Chapter 9, Table 8, No. Some jurisdictions have a set policy regarding which table you should use for voltage drop calculations. 823 0. Apr 19, 2021 · Chapter 9 of the NEC — Part 7. Dimensions of Insulated Conductors NEC 2008: Chapter 9 Table 8. NFPA 70-2017, like its predecessors, is the National Electrical Code (NEC) of the United States, striving for the ultimate goal of facilitating the safe installation Jan 20, 2017 · No. And I'd put it in a spreadsheet to automate the process, or use one of the online calculators like Dennis suggested. 6V (d) 12. 8V. To determine how much wire you can run in a given raceway: Find the raceway type and size you're running, in Table 4 of Chapter 9. Feb 28, 2021 · Chapter 9 Tables. L = length in feet. Chapter 9 of the National Electrical Code (NEC) ends with a series of related tables: 11 (A). The National Electrical Code chapter 9 provides conductor Study with Quizlet and memorize flashcards containing terms like According to NEC Chapter 9, Table 8, No. April 19, 2021. Compact copper and AL building wire nominal dimensions and Areas. Overall. Understanding the layout will help you get a birds-eye view of the entire “realm” that this map is covering. Table 5 Continued Type Size (AWG or Study with Quizlet and memorize flashcards containing terms like Tables located in Chapter 9 apply only where ? . 20]. Radius of Conduit and Tubing Bends. “I” = Amperes: The load in amperes at 100 percent, not 125 percent for motors or continuous loads. Table 1 sets the actual percentage fill rule, Table 4 gives you the area of the raceways, and Table 5 gives you the area of the conductors. 261 8. 001, and then square the result to get circlular mils. 93 ohms for the same piece of wire. Free NEC 2014: Chapter 9 Table 5. 10 AWG wiring has _____. 486A-B is reproduced in chapter 9 table 10 of the 2011 NEC so this requirement can be applied in the field (see table “Conductor Stranding” located on page 2). For example, Table C. The table specifies separately impedance, reactance, and resistance. Where conduit or tubing nipples having a maximum length not to exceed 24 inches are installed between boxes, cabinets, and similar enclosures, the nipples shall be permitted to be filled to 60% of their total cross-sectional area, and Conduit Sizing, NEC Chapter 9, Tables 4 and 5. When three conductors are pulled into a raceway, they may flatten out creating a condition where the conductors could jam. Table 8 shows straight resistance and table 9 shows "AC resistance", which is actually impedance at 60Hz. ) 40% raceway area for over 2 conductors 1. 4- Approximate Mathematical Method, 5 Jun 5, 2023 · Taking a look at NEC Chapter 9 Table 9 calculation example, they are using a feeder with 100A continuous load, 240V source, 3 phase with a circuit length of 150 feet. 15(B)(16), the ampacity of a No. Using the NEC code book. 22. 31 1. Tables 4, 5, 5A, and 8. Chapter 9 Tables Mar 27, 2017 · My question is that after I calculate ampacity using Table310. Find out the NEC recommendations and requirements for voltage drop based on Fine Print Notes and rules. Dimensions of Insulated Conductors and Fixture Wires. LINE QTY SIZE TYPE AREA TOTAL AREA; 1 NEC 2020 Compliant. Reactance is in there. There are questions on the electrical journeyman's/ masters test that will pertain to thi Apr 6, 2021 · Chapter 9 of the NEC — Part 6. Insulation Type. ) Raceway Sizing There are three options for sizing raceways according to 2017 PEC Table 10. Dimensions and Percent Area of Conduit and Tubing (See Chapter 9 Table 1 for allowed use of conduit area) Click the icons below to get our NEC ® compliant Electrical Calc Elite or Electric Toolkit for Android and iOS. There are 9 Chapters to the book as well as a section of definitions in the front and some helpful informational Annexes in the back. Chapters 1–4 generally applies to all electrical installations. NEC 2014: Chapter 9 Table 1. Electrical reactance is a measure of the opposition to current flow from inductance or capacitance. 136 9. Total Area. In the NEC ®, there are two main locations (near the back Jan 28, 2022 · For this reason, the National Electrical Code (NIC) is revised every three years, with the latest edition being released as NFPA 70-2017 – National Electrical Code, 2017 edition. Percent of Cross section of conduit and Tubing for conductors and cables. XHH / XHHW. 1: Table 1 is based on common condi‐ tions of proper cabling and alignment of conductors where the length of the pull and The NEC Chapter 9, Table 8, gives 1. 75A. Size. 6. ) 5. 4V (c) 9. Mar 20, 2014. Dimensions of Insulated Conductors and Fixture Wires: SIZE: WIRE TYPE: AWG or kcmil Jun 1, 2004 · R = Conductor resistance, Chapter 9, Table 8 for DC or Chapter 9, Table 9 for AC; Let's do a sample calculation using the Ohm's Law method. and more. However, that table 9 on NEC says Three-Single-Conductors in Conduit. 6 AWG, Type UF copper cable is _____. 2 NEC Chapter 9, Table 4, Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1 Chapter 9 Table 4 — Conduit Dimensions. Percent of Cross Section of Conduit and Tubing for Conductors and Cables. Study with Quizlet and memorize flashcards containing terms like A rigid fishing tool used for long conduit runs is known as a _____. In the past, this involved determining the circular mils for various conductors. 25A. #2. pdf - Free download as PDF File (. 16, what is the Ampacity of a # 6 AWG Copper THHN (194°F) conductor. EMT (Electrical Metallic Tubing) ENT (Electrical Nonmetallic Tubing) FMC (Flexible Metal Conduit) IMC (Intermediate Metal Conduit) LFNC-B (Liquidtight Flexible Nonmetallic Conduit type B) LFNC-A (Liquidtight Flexible Nonmetallic Conduit type A) LFMC NEC Chapter 9 is used for combinations of conductors of different sizes or insulation types installed in the same conduit or tubing. Trade Size. Raceways must be large enough to permit the installation and removal of conductors without Apr 26, 2020 · RACEWAY SIZES (CONDUIT AND TUBING) 1. Using conductors having coated strands , different stranding type, and, especially, other temperatures changes the resistance. 8 = ºC. Mar 20, 2014 · Electrical Engineer. Feb. 001 = 81. Table 2 provides minimum bend radii for Conduit fill requires calculation. 901. Internal Diameter. In the NEC ®, there are two main locations (near the back Apr 6, 2021 · Table 9 Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75°C (167°F) — Three Single Conductors in Conduit. You aren’t required to use the Chapter 9 tables of the National Electrical Code (NEC), but they can be surprisingly useful. You still have to use Table 1 along with Tables 4 and 5. Consider Table 2. Method, which is divided into: Circular-mils method, chapter table method (9). As you can see two conductors is the smallest maximum fill. 3808. Table 4 Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9) Article 358 — Electrical Metallic Tubing (EMT) Nominal Internal Diameter Total Area 100% 60%. ) 31% raceway area for 2 conductors C. 1000 = constant to compensate with "per 1000 ft" in impedance value. In the article Calculations of Voltage Drop - Part One I pointed out that there are eight methods of calculating voltage drop as follows: 1-Ohm's Law Method, 2-European Method, 3-U. 0348. Website by 2020 Code Language: Chapter 9 Percent of Cross Section of Conduit and Tubing for Conductors and Cables. 67 Chapter 9 Tables. Conduit Size Calculator. Fill requirements for rigid metal conduit are addressed in Section 344. Conduit Wire Fill Charts & Tables. It’s based on common conditions where the length of the conductor and number of raceway bends are within reasonable limits [Chapter 9, Table 1, Note 1]. A check of Table 5 reveals the following information: 12 AWG THHN conductor = 0. 16 ohm * 150/1000 * 100A = 2. The new language in this section refers to that table, making its provisions enforceable by the AHJ. Use Table 9 to determine electrical reactance values. 819. 31(F) and 690. , If a conductor has a low resistance, it _____. Informational Note No. I am using VD=L*R*I/1000 where R values are from Table9 in NEC. chapter 9 table 1. New Temperature in ºC, "T 2" Chapter 9 Percent of Cross Section of Conduit and Tubing for Conductors and Cables. EMT with a one-shot bender (manual) or a full shoe (machine), what is the NEC Table 310. NEC Chapter 9 Table 4: Dimensions and Percent Area of Conduit and Tubing: EMT (Electrical Metallic Tubing) Notes to Tables in Chapter 9 of the NEC: (3) Equipment grounding conductors shall be included in conduit fill calculations. 759 0. When calculating the number of 10 AWG conductors that may be installed in a raceway, when the calculation results in a decimal of ? or greater, the calculated number can be . Code Change Summary: Chapter 9, Note 9 was expanded to clarify the rules on calculating cables in a conduit or raceway. 344. They performed the following: Voltage drop (line to neutral) = 0. Oct 15, 2019 · The formulas included here are based on conductor DC resistance values provided in Chapter 9 Table 8 of the NEC, and are viewed as generally acceptable for voltage drop calculations. Chapter 9, Note 9 previously stated that multiconductor cable, optical fiber cable, or flexible cord of two or more conductors is treated as a single conductor for calculating the percentage of Chapter 9 Tables. In this video we’ll show you how t TABLES. 1. Mar 24, 2020 · This calculation will explain how to find the distance of a conductor. (5) For cables not included in the tables in Chapter 9, such as multiconductor cables, the actual dimensions of the cables shall be used in conduit fill calculations. The below chart is from Table 1 in Chapter 9 of the National Electric Code. However, NEC table displays only the readings for 75 degrees. 4V * 1. Dimensions and Percent Area of Conduit and Tubing (See Chapter 9 Table 1 for allowed use of conduit area) Electrical Metallic Tubing. Size (AWG or kcmil) XL (Reactance) for All Wires. 50 1500 1750 2000 Notes: mm2 0. The Electrical Calc Elite is designed to solve many of your common code-based electrical calculations like wire sizes, voltage drop, conduit sizing, etc. 573. 50 300 350 400 500 600 700 750 800 900 1000 12. Jan 16, 2012 · Table 8 is a DC resistance, and it looks like the value for #12 is slightly lower than the AC resistance given in Table 9. 081/. Ohms to Neutral per Kilometer. For combinations of conductors of different sizes, use Table 5 and Table 5A for dimensions of conductors and Table 4 for the applicable conduit or tubing dimensions. Size (AWG or kcmil) Ohms to Neutral per Kilometer Ohms to Neutral per 1000 Feet. Mathematical and electrical tools, calculators, and Chapter 9, Table 8 calculations are based on conductors at 75ºC. I am trying to do the calculations from R2 = R1 [1 + α (T2 − 75)]. 355 0. Alternating-Current Resistance for Alternating-Current. Conductors. 1 NEC Chapter 9, Table 1, Percent of Cross Section of Conduit and Tubing for Conductors 15. Learn how to calculate voltage drop in electrical circuits and why it is important for equipment efficiency and safety. 760. (4) Conduit nipples are permitted to be filled up to 60%. S. Table 1 Percent of Cross Section of Conduit and Tubing for Conductors and Cables Number of Conductors and/or Cables Cross-Sectional Area (%) 1 53 2 31 Over 2 40 Informational Note No. Table 9 Alternating-Current Resistance and Reactance for 600-Volt Cables, 3-Phase, 60 Hz, 75°C (167°F) — Three Single Conductors in Conduit. 454 0. Conductors of different size are calculated with table 5 chapter 9. where: Vd = voltage drop. Table 1 Percent of Cross Section of Conduit and Tubing for Conductors and Cables. , Chapters of the NEC are broad in scope and are subdivided into different ? to address the chapter scope. 08 3. Table 4. Mar 27, 2010 · NEC Chapter 9 said: These resistance values are valid only for the parameters given. Back to Index of NEC Tables. Article 358 - Electrical Metallic Tubing (EMT) Metric Designator Trade Size Nominal Internal Diameter Total Area 100% 60% 1 Wire 53% 2 Wires 31% table 8 DC NEC 2005 - Free download as PDF File (. 31 5. February 28, 2021. 2952. The percentage to use for conduit fill when installing one cable assembly with five conductors in the cable assembly is ? . ) 53% raceway area for 1 conductor (a multiconductor cable is treated as a single conductor [Note 9]) B. The NEC sets standards for the percent of volume that can safely be put into conduit. 8 — Number of The Same Size Conductors in Trade Size of Conduit or Tubing Liquidtight Flexible Metal Conduit (LFMC) Conductor Types THHN, THWN, THWN-2 (Based on Table 1, Chapter 9) 100% 80% NEC Chapter 9 Table 5. Terms in this set (21) The use of Chapter 9, Table 1 for conduit fill allows the use of which additional tables in the notes to Table 1? Tables 4, 5, 5A, and 8. 11 (B). , Which of the following would not be included in NEC Chapter 9, Table 8? and more. 7. Mar 12, 2023 · Here is an explanation of how to use Chapter 9, Table 9 in the NEC. 18 3. 0. The geometric mean distance (equivalent conductor spacing) impacts the impedance of the conductors; this is the case with busways also. 16, the ampacity of a No. Inductive and capacitive components store energy. 74 in the 2008 NEC. It started with NEC 2014 as the basis, but in the end, adopted NEC 2017 which became available September 2016. Get a hint. I am doing voltage drop calculations. NEC Chapter 9 Tables. 157V. ) for a size #10 AWG SOLID; 1. 1 [ or 2017 NEC Chapter 9 Table 1 ], based on cross-sectional areas: A. For complete systems, the number of conductors cannot exceed the percentage fill in Chapter 9, Table 1. DC Resistance at 75C (167F) (AWG or kcmil) Area. Table9_1 - Free download as PDF File (. Diam (in) Area (in²) Table 1. 823 1. Chapter 9 contains major tables and are used when referenced as applicable in the Code. In the NEC ®, there are two main locations (near the back 5046. Apr 14, 2023 · The minimum trade size is 1/2-in. Z = impedance of the conductor per 1000 ft. Wires 31% Metric Designator Trade Size mm. So I would use table 9. Bob Anchorite said: On table 8, page 70-625 of the 2002 NEC there is a listing of circular mils. Apr 6, 2021 · The resistance is calculated in accordance with National Bureau of Standards Handbook 100, dated 1966, and Handbook 109, dated 1972. NEC Chapter 9 Table 1: Percent of Cross Section of Conduit and Tubing for Conductors and Cables Conduit. 1 / 8. The appendices complete the Code. 2V (b) 6. Sep 10, 2006 · Sep 10, 2006. 1. NEC 2011 Chapter 9, table 1, shows that the maximum conduit allowance. pdf) or read online for free. Study with Quizlet and memorize flashcards containing terms like Table 1, Table 2, Table 4 and more. The difference in resistance is due to a temperature difference. The use of Chapter 9, Table 1 for conduit fill allows the use of which additional tables in the notes to Table 1? Click the card to flip. Table 5. Remember that (ºF - 32) / 1. Flashcards NEC Chapter 9: Tables and the Informative Annexes | Quizlet. Click Subscribe above. 16 formerly Table 310. Tables at the end of Chapter 9 help when working with Art. Thread starter Tainted; Start date Jan 2, 2024; Tainted Senior Member. 6. Apr 21, 2011 · Consequently, the 2011 NEC stresses the need to use specific terminations for fine-stranded conductors and cables. To find line-to-line voltage drop they took 2. The Electrical Calc Elite is designed to solve many of your common code-based electrical Table 9 provides AC resistance and reactance information for both copper and aluminum conductors based on conductor type and size, and the type of conduit used for the raceway. 1 Understanding the NEC, Chapter 9 Tables Table 1—Conductor Percent Fill The maximum percentage of allowable conductor fill is listed in Chapter 9, Table 1. 2, 2021. Cable properties DC NEC 2005 table 8 chapter 9 5. Why Table 2 and Table 4 are helpful. The "Q" adjustment factor is determined by dividing alternating current resistance as listed in NEC Chapter 9, Table 9, by the direct current resistance as listed in Chapter 9, Table 8. NEC Table 310. NFPA 731 Section 4. 261 5. 5. 342. 0145 16 3. 0172 RHH, RHW, CHAPTER 9 TABLES 70–716 NATIONAL ELECTRICAL CODE 2011 Edition. Raceways, conduits and tubing are not always used with security system wiring but if they are, the raceway conduit or tubing must be sized according to the NEC ®. , A mil foot is one foot in length with a diameter of one mil. 0133 sq in. 367 13. Table 8 is based on 75°C/167°F, and provides a k-factor constant of 12. 100%. 732 = 4. NEC Chapter 9 Table 4. Dimensions and Percent Area of Conduit and Tubing. Free NEC 2005: Chapter 9 Table 8. just that. Dimensions and Percent Area of Conduit and Tubing (Areas of Conduit or Tubing for the Combinations of Wires Permitted in Table 1, Chapter 9) Table 5. Calculate to two decimal places. 53%. This reference to Table 1 in Chapter 9 allows for the use Dec 9, 2021 · To start out, the NEC is layed out in a specific way. 20, Sec. 14 AWG THW conductor = 0. The Electric Toolkit provides some basic Jan 29, 2020 · Djelite said: Ok that’s still not chapter 9 table 1. What is the voltage drop of two 12 AWG THHN conductors that supply a 16A, 120V load located 100 feet from the power supply? (a) 3. 14 can also be found in sections 690. Terms in this set (22) Table 1. 367 8. , Electrical conductors installed in rigid metal conduit encased in concrete are considered ? . 2 for aluminum conductors. In table 8 it shows that #12 awg has a diameter in inches of . Chapman Electric offers a selection of pipe and conduit to meet your electrical or underground project needs. Table 2. Jan 2, 2024 · NEC Chapter 9 Table 9. Class 2 and Class 3 Alternating Current Power Source Limitations. _____. Wire 53%. THW / THHW. Study with Quizlet and memorize flashcards containing terms like According to NEC chapter 9, Table 8, No. 10 AWG wiring has, Using NEC table 310. 26 ohm/kFT. 30 21. 0139 NEC Chapter 9 Tables - Free download as PDF File (. 15(B)(16) Conductor Ampacities: Ampacities of Insulated Conductors with Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried) Chapter 9 Table 1: Conduit Cross-Section Percentage for Conductors: Percent of Cross Section of Conduit and Tubing for Conductors and Cables Chapter 9 Tables. According to NEC Table 310. Chapter 9 Tables, Note 9. 1 Section 15 NEC Chapter 9 Tables and Annexes B and C 15. Conduit Fill Tables – NEC Table C Conductor Size – Awg / Kcmil – XHHW SIZE 14 12 10 8 6 4 3 2 1 1/0 2/0 3/0 4/0 250 300 350 400 500 600 750 (5) For conductors not included in Chapter 9, such as multi‐ conductor cables and optical fiber cables, the actual dimensions shall be used. 10 0. Location New York Occupation Engineer (PE) Jan 2, 2024 #1 CH15_Hickey 11/15/01 11:27 AM Page 15. #6. for impedances 18 3. (see NEC chapter 9 table 8 or 9) I = load current in amperes. Mar 4, 2018 · Stuck on NEC Chapter 9, table 8. NEC 2014: Chapter 9 Table 4. The diagram shows conductors/cables lying in a conduit in sets of one, two, three and four. In the NEC ®, there are two main locations (near the back NEC Chapter 9 Table 4. Ohms to Neutral per 1000 Feet. Notes to Tables. 1–7. 6 AWG, type UF copper cable is, If a Conductor has a low resistance it and more. For example, the City of LA wants you to use Chapter 9, Table 8 for #2 AWG or smaller, and Chapter 9, Table 9 for larger than #2 AWG. Table 5A. I was taught that to find circular mils one takes the diameter in inches and divide that by . According to NEC Table 8, Chapter 9, Conductor Properties; What is the Direct-Current Resistance at 75°C (167°F) for Copper that is Coated in Ohm/kFT (Ohms per 1,000 ft. 0106. AWG / KCMIL. 31 3. Fortunately, the NEC now provides tables to reduce the amount of calculation in the field. 4. txt) or read online for free. Nec chapter 9 table 8 conductor properties. in. - NEC 2014, Chapter 9 – “Tables”, Table 9 – “AC Resistance & Reactance” Table 9 - AC Resistance/Reactance Note that the actual table states “Uncoated Copper” Study with Quizlet and memorize flashcards containing terms like A circular mil is a circle with a circumference of one mil. 08 2. The maximum is trade size 4 for IMC and trade size 6 for RMC [Sec. for both IMC and RMC. Conductor Properties. pv qe he ev dw or cz nz my cm