PAIR. What color is circuit #24? Normal color wiring for a 277 / 480 volt panel is BROWN, ORANGE, YELLOW – 1, 3, 5, and 2, 4, 6. Marking inscription for identification of cores of electric cables (number printing). What color is circuit #20? It may be simply written out or it may be the Alpha 3 digit code as in the third example (Table 1). White-Orange paired with Orange-White. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. 2. Neutral - Neutral wires should be grey. Color code charts: However, as per local practice, the standard wiring color codes may be divided in two main categories. Examples of full part numbers are: As may be seen in these examples, the color may be represented by the full color name, the Alpha abbreviation for the color name (see Color code charts below) or the color number from the Catalog (usually used only on Hook-Up Wire). Your password needs update. Multipair Cable Copyright © 2020 Alpha Wire, All Rights Reserved. 1 This is a condensed listing of Put-Up Codes. If you have an questions be sure to leave a comment. White-Blue paired with Blue-White. American electrical contractors and electricians must comply with the National Electrical Code (NEC) for the color coding of wires. Since 6 divided evenly, circuit #24 will be the same color as circuit #6. These are typically used for power wires in “branch circuits”.NEC defines White or Grey color for neutral wire and green/ green with yellow stripe/ bare copper for ground wire. Multiconductor Cable The mandatory colors for power wiring in National Electric Codes (NEC) are Green, Bare or Green/Yellow (Yellow Strip or band on Green) for Protective Ground “PG” and White (alternatively Grey) for Neutral Wire. eval(ez_write_tag([[300,250],'electricianapprenticehq_com-large-leaderboard-2','ezslot_9',114,'0','0']));Starting to get it yet? Divide the number 11 by 6. Examples of full part numbers are: 3080 Black 1000 Ft. 3080-2 1000 Ft. 3080 BK001. Standard Put-Up Reference Guide. What is a Journeyman Electrician (And How To Become One)? Black-Brown paired with Brown-Black. Phase 3 - Phase 3 wiring should be yellow. Divide the number 20 by 6. 14. Yes, its actually quite simple. The standard permits the following colours for identifying conductors: black, brown, red, orange, yellow, green, blue, violet, grey, white, pink, and turquoise. BLACK, RED, BLUE – 1, 3, 5 and 2, 4, 6. It looks like you’re using a web browser that we don’t support.To get the best experience, please use one of these supported browsers. Your input may help someone another apprentice. If there’s a remainder, use that to determine the wire color. to EN 50334. The idea is to memorize the circuit number color of the first six circuits in a panel. Normal color wiring for a 277 / 480 volt panel is BROWN, ORANGE, YELLOW – 1, 3, 5, and 2, 4, 6. Last updated on August 19th, 2020 at 10:35 pm. Using the panel or layout above find what color circuit 6 is. Basic Functions and Use of A Digital Multimeter, What is an Electrical Technician? Ground - Ground wiring should be green, or green with a yellow stripe. Circuit 6 is BLUE, which means circuit number 24 is BLUE. Usually I make up temporary panel schedule on piece of notebook paper before I start pulling in new wires. Likewise, the put-up designation may take multiple forms. The same goes for any other voltage coloring scheme you may encounter. When using the rule of six you will reference the first six circuits, their phase and color. Normal Wiring for a 120 / 208 V 3 Phase Panel. A 3 phase panel wiring is A, B, C – left to right- and top to bottom. Use the remainder of 2 as your reference and find what color circuit 2 is. Part Number Ordering Guide The part numbers of Alpha Wire consist of three parts: All three of these parts must be present to fully articulate an Alpha product. Any other colors except these may be used for other power lines. Phase 1 - Phase 1 wiring should be brown. (The colours green and yellow on their own are only permitted where confusion with the colouring of the green/yellow protective conductor is unlikely. It’s called the Rule of Six. 1. 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Website designed with screwdrivers, levels, hammers, and keyboards, © Copyright Electrician Apprentice HQ 2020, How to Figure Out Circuit Numbers By Color, How To Identify Circuit Number Colors in a 3 Phase Panel, Best International Travel Surge Protector, Best Surge Protector for Garage Door Openers, Best Surge Protector for Air Conditioners, What is an Electrician’s Apprentice (And How to Become an Electrical Apprentice), Electrician Apprentice Wages and Salary (2020 Pay Scale). This method of dividing a circuit number is sometimes easier than carrying around a electrical wiring color code chart. Core identification with numbers acc. COLOR. Use the remainder of 5 as your reference and find what color circuit 5 is. Divide any circuit number by six and you can figure out the color of a wire you need.eval(ez_write_tag([[300,250],'electricianapprenticehq_com-box-4','ezslot_7',112,'0','0'])); And now I’m going to teach you to be a circuit number ninja without using a color coded wiring chart. This can help keep you on track, but here’s how you can do it mentally and look like an awesome apprentice! Other core colours are allowed except green and yellow. The most important thing to remember is this: If a number divides evenly by 6 then that circuit will be the same phase color as the number 6. Hook-Up Wire, Reference Guides: Last updated on August 19th, 2020 at 10:36 pm. Circuit 2 is BLACK, which means circuit #20 is BLACK. Circuit 5 is BLUE, which means circuit 11 is BLUE. The answer is 1 with a remainder of 5. If you’re having trouble, try remembering this rhyme – “If it’s divisible by 6 it’s blue, and the one before it too.” The first time I heard someone …. Phase 2 - Phase 2 wiring should be orange. The answer is 4. The part numbers of Alpha Wire consist of three parts: Item Number; Color; Put-up; All three of these parts must be present to fully articulate an Alpha product. It’s easy to stick a piece of colored tape on circuit breaker identify the wiring color for the color scheme that’s in use. These are the wire color coding standards that are used in the United States. Divide the number 24 by 6. AWG Conversion Chart US – NEC AC (Single & Multi-Phase) Wiring Color Codes. The answer is 3 with a remainder of 2. If you’re having trouble, try remembering this rhyme – “If it’s divisible by 6 it’s blue, and the one before it too.” This rhyme only work on 3 phase 120/208 volt panels, but you could substitute yellow if you’re working on a 277/480 volt panel. SAB colour code for RTD connection cables What color is circuit #11? Circuits are labeled with the odds on the left and the evens on the right. Circuit number colors in a 3 phase panel are really easy to identify once you learn a trick. They are: 1. COLOR.