1 | Black |
2 | Red |
3 | White |
4 | Green |
5 | Brown |
Full Answer
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- Black - use for line voltage or "hot" wire
- Red - a second line voltage or "hot" wire
- White - neutral
- Bare - protective ground
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Wiring colours in the USA may be categorised as either AC or DC supply. Standard 120/208/240 Volt AC wiring colouring is shown below: Phase 1 - Black. Phase 2 - Red. Phase 3 - Blue. Neutral - White. Ground - Bare wire, green, or green with yellow stripes. Such forms of wiring are commonly found within domestic and office environments.
What are the color codes for electrical wires?
3-Phase Wire Color CodesPhase 1 – Black wire.Phase 2 – Red wire.Phase 3 – Blue wire.Neutral – White wire.Ground – Green, Green with a Yellow Stripe, or Bare Wire.
What color wire does what?
You'll find yellow wires used in fixtures like lighting and ceiling fans. Blue Wires – always assume they are live if you have power. Blue wires are also fed through a conduit, usually bringing power to three or four-way switches. Green Wires – green wires are grounding wires.
What is the standard color code?
ICEA Paired Color CodePair NumberLeg 1 ColorLeg 2 Color1BlackWhite2RedWhite3GreenWhite4OrangeWhite17 more rows
What is the color code for 3 phase wiring?
The USA has their own wiring colors for electrical circuits, black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC....International Wiring Color Codes.Ground (G)GreenNeutral (N)BlackLine 1 (L1)RedLine 2 (L2)YellowLine 3 (L3)Blue5 more columns
What is standard electrical wire?
Wire Gauge The most common sizes you'll find in residential work are 14-gauge and 12-gauge. Larger appliances such as electric stoves, electric water heaters, electric dryers and central air units will often use 10-, 8- or even 6-gauge wire.Feb 4, 2021
What are the 3 types of wires?
Three types of wire used are :live wire ( Red colour)neutral wire(Black colour)earth wire (Green colour)
What Colour wire goes to L and N?
The N is for the neutral side or the white wire, and the L is for the load side, the black wire.
Which color wires are positive and negative?
The coloring is as follows: Positive - The wire for the positive current is red. Negative - The wire for the negative current is black. Ground - The ground wire (if present) will be white or grey.Oct 18, 2017
Why are wires different colors?
But looking deeper, the color of the wires inside of the sheathing reveals that different colored wires serve different purposes. The National Electrical Code (NEC) says that white or gray must be used for neutral conductors and that bare copper or green wires must be used as ground wires.Mar 25, 2021
What colour is neutral on 3 phase?
BluePlug wiring coloursWireColourLiveBrownNeutralBlueEarthYellow and Green
What does L1 L2 L3 mean in electrical?
Terminology. The three winding end connected together at the centre are is called the neutral (denoted as 'N'). The other ends are called the line end (denoted as 'L1', 'L2' and 'L3'). The voltage between two lines (for example 'L1' and 'L2') is called the line to line (or phase to phase) voltage.Aug 9, 2020
Types of Wire Color Codes
There are quite a few different wire color code standards in place, so it is important to understand which one to follow in which situation. The st...
Labeling Electrical Wires & Conduits
The wire color codes used are only going to apply to the actual wires that are carrying the electricity. In many cases, a bundle of these colored w...
Effective Training Options
Those who work directly with electrical wiring on a daily basis will need to be initially trained on what each of the wiring color codes means. Onc...
Applying Color Standards to Existing Wiring
If there are wires in a facility that were put in place prior to the standards that are now used, it is important to take steps to address this saf...
What color wire should I use for a hot wire?
However, common practice (per local electrical inspectors) is for the first hot (live or active) wire to be black and the second hot to be red. The recommendations in Table below are by Wiles. He makes no recommendation for ungrounded power system colors.
What color wires are used in UK AC circuits?
US, AC: The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. In principle any other colors except these may be used for the power conductors.
What color conductors are used for 208 VAC?
Black, red, and blue are used for 208 VAC three-phase; brown, orange and yellow are used for 480 VAC. Conductors larger than #6 AWG are only available in black and are color taped at the ends.
What color is the ground for DC power?
US DC power: The US National Electrical Code (for both AC and DC) mandates that the grounded neutral conductor of a power system be white or grey. The protective ground must be bare, green or green-yellow striped. Hot (active) wires may be any other colors except these.
What color is the neutral power conductor?
US, AC: The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. In principle any other colors except these may be used for the power conductors.
What color is the protective ground?
The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.
What is the IEC DC wiring color code?
The following IEC DC wiring color codes are used for Two-Wire Grounded, Two-Wire ungrounded and Three Wire grounded DC power systems.
What color wires are used for a PG?
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. Any other colors expected the above mentioned can be used for Live (Line or Hot) wires.
Which countries use the IEC color code for DC?
Other Countries like China, Russia, KSA and UAE now follow the IEC Cable color codes for DC. But don’t trust the cable insulation colors in these areas as electricians use old as well as new color codes for both AC and DC.
Does Russia use gray or purple?
Russia was following the same wiring color codes as China before but they adapted the IEC with little bit changes i.e. in a three phase system, they may use purple or gray color instead of gray in IEC. As things are little bit changed in Russia, so one must follow the tester before going in the mess.
Nec Wiring Color Codes For AC – Us & Canada
- US – NEC AC (Single & Multi-Phase) Wiring Color Codes
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. Any other colors expected the above mentioned can be used for Live (Lin… - Canada – CEC AC (Single & Three-Phase) Wiring Color Codes
Canadian Electrical Code “CEC” wiring color codes are similar in practice with National Electrical Code “NEC” except that White color is used for Neutral Wire and Green or bare conductor is used for protective ground. In some cases, the 1st and 2nd phase (lines) colors are in an inverse posit…
IEC Wiring Color Codes For AC – UK , EU & Other Countries
- As mentioned above, most of the Europe Union countries and UK, China, Russia, Hong Kong, Singapore, Ukraine, Belarus, Kazakhstan, Israel, Turkey, Argentina, South Africa, KSA (Saudi Arabia), UAE (United Arab Emirate) and Malaysia are following the IEC “International Electrotechnical Commission” wiring codes. Keep in mind that some of the above mentioned co…
China & Russia Wiring Color Codes
- China PRC & Russia (Old) Wiring Color Codes
Single Phase AC 1. YELLOW = Phase , Hot or Line, (L) 2. SKY BLUE or BLACK = Neutral (N) 3. GREEN / YELLOW = Earth Conductor “Protective earth” (PE) China Three Phase AC 1. YELLOW = Phase 1 or Line, (L1) 2. GREEN = Phase 2 or Line 2, (L2) 3. RED = Phase 3 or Line 3, (L3) 4. LIGH… - Russia New Wiring Color Codes
Russia was following the same wiring color codes as China before but they adapted the IEC with little bit changes i.e. in a three phase system, they may use purple or gray color instead of gray in IEC. As things are little bit changed in Russia, so one must follow the tester before going in the …
Australia & New Zealand Wiring Color Codes
- Both Aussies and Kiwis are using the same wiring color codes for single phase and three phase power circuits. Single Phase AC 1. RED or BROWN = Phase , Hot or Line, (L) 2. BLACK or SKY BLUE = Neutral (N) 3. GREEN or GREEN / YELLOW = Earth Conductor “Protective earth” (PE) Three Phase AC 1. RED or BROWN = Phase 1 or Line, (L1) 2. WHITE = Phase 2 or Line 2, (L2) 3. BLUE = …
Japan Wiring Color Codes
- As the name suggests, Japan always does weird things. The single phase supply is 100V (Line to Neutral) and Three Phase supply is 200V (3 Lines, No Neutral). For wow reaction, Check the common neutral and 3rd Phase colors. They are the same i.e. white (Read the following note after the three phase codes for explanation). Single Phase AC 1. BLACK or RED = Phase , Hot or Line, …
India, Pakistan, UAE, KSA & South Africa Wiring Color Codes
- India and Pakistan including the other subcontinent countries as well as UAE (United Arab Emirate), KSA (Kingdom of Saudi Arabia) and South Africa AKA “Proteas” (They adapted the IEC now) follow the old UK wiring color codes i.e RYB (Red, Yellow and Blue for Three phase) and Red & Black for Phase and Neutral respectively. Single Phase 230V AC 1. RED = Phase , Hot or Line, (…
Israel Wiring Color Codes
- Some countries adapted the IEC wring codes with little bit modifications. Israel follow the IEC codes with while the local practice wiring are as follow Single Phase 230V AC 1. BROWN = Phase , Hot or Line, (L) 2. BLUE = Neutral (N) 3. YELLOW / GREEN = Earth Conductor “Protective earth” (PE) Three Phase 415+ AC 1. BROWN (Or L1 Marking Sleeve) = Phase 1 or Line, (L1) 2. BROWN (…
Indonesia Wiring Color Codes
- Single Phase AC Supply 1. RED or BLACK = Phase , Hot or Line, (L) 2. BLUE = Neutral (N) 3. YELLOW / GREEN = Earth Conductor “Protective earth” (PE) Three Phase AC Supply 1. RED = Phase 1 or Line, (L1 or R) 2. YELLOW = Phase 2 or Line 2, (L2 or S) 3. BLACK = Phase 3 or Line 3, (L3 or T) 4. BLUE = Common Neutral (N) 5. YELLOW / GREEN = Earth Conductor “Protective Eart…
Nec Wiring Color Codes For DC – Us & Canada
- There are some differences between AC and DC, so wire color codes for DC are a little bit different than that of AC wire color codes in both NEC and IEC. These DC color codes applied on solar power, batteries& vehicles and other DC powered equipment like computer data centers wiring installation etc. Same as for AC, the mandatory colors for Grounded Neutral is White or Gray , Th…
IEC Wiring Color Codes For DC – UK & EU
- The IEC DC wiring color codes are adapted from IEC AC wiring color codes. These rules are applicable in the UK, EU and all other countries who follow the new IEC color codes instead of local and regional codes. The following IEC DC wiring color codes are used for Two-Wire Grounded, Two-Wire ungrounded and Three Wire grounded DC power systems. Two Wire Ungro…