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In the US, Blue wires are most commonly used for 24VDC control circuits and 208/277VAC lighting applications.
BE CAREFUL - Blue wires are not common within residential construction.
If you run across a single Blue wire at a residential location you may have discovered a "custom" installation. Blue (24VDC) wires may be included in a color coded set of wires used to connect low voltage devices such as thermostats, security alarms, cameras, telephones, computers, etc.
BE CAREFUL AGAIN - Blue wires at a commercial / industrial site could be anything. There's a big difference between 24VDC and 277VAC.
You probably shouldn't touch the wire. Even if its safe you could mess up some expensive equipment. But if you were me, you could trace the wire to its source / destination and put a meter on it.
Answer 2In Europe, a blue wire is used in mains wiring and means that it is neutral.European standard -
Blue = Neutral
Black = Live (230v)
Brown = Earth
UK domestic wiring -
Blue = Neutral
Brown = Live (230-240v)
Yellow/green stripe = Earth
What else can I help you with?
Which is the Hot wire and which is the Neutral wire if the wires you see are a Brown a Blue and a Yellow Green wire?
In electrical wiring, the live or "hot" wire is typically brown or red, the neutral wire is typically blue or black, and the ground wire is yellow or green. So, in this case, the brown wire is likely the hot wire, the blue wire is the neutral wire, and the yellow green wire is the ground wire.
Where do you connect the blue wire on the tachometer for the bulb?
The blue wire on a tachometer is usually connected to the instrument panel lighting circuit. This allows the tachometer to light up when the vehicle's headlights are turned on. It is important to consult the tachometer's installation instructions for specific details on wiring connections.
Should you cut the red wire or the blue wire?
You Should Cut The Yellow Wire! : D
Where does the blue wire coming from the ceiling go in a ceiling fan connection?
If what you are referring, is the blue Neutral wire in the UK/Ireland, it eventually connects to ground or earth potential at some point on its way to the power station. It is usually at or near zero volts potential but may not always be so.
Which wires are the live neutral and earth on a Chinese cable where the colours are brown blue and white?
In a Chinese cable with brown, blue, and white wires, the brown wire is typically the live wire, the blue wire is the neutral wire, and the white wire is the earth wire. It is important to double-check with a qualified electrician or follow local regulations to ensure safe wiring practices.
How do you wire a phone?
To wire a master phone socket (with capacitor) from the pole (usually orange white if not green black or blue pair ) wires go to screw terminals (for NTE5) or pins 2 and 5 doesn't matter which way round. To wire a secondary (no capacitor) NEW WIRE blue/white fleck -- pin 2 white/blue fleck -- pin 5 orange/white fleck -- pin 3 (bell) OLD WIRE blue -- 2 orange -- 5 brown -- 3 (bell)
Where does the blue wire connect from a sportster speedometer?
Blue wire is for a tach I believe
What actors and actresses appeared in Red Wire Blue Wire - 2006?
The cast of Red Wire Blue Wire - 2006 includes: Ciaran Kenny as Blue Wire Sinead Murphy as Cleaning lady Niall Walsh as Red Wire
Is the striped color on wire the actual color of the wire?
No, example- If the wire is blue with a white strip, (which is your remote wire for the amp turn-on) the wire is blue, the strip is not the color.
Which is the Hot wire and which is the Neutral wire if the wires you see are a Brown a Blue and a Yellow Green wire?
In electrical wiring, the live or "hot" wire is typically brown or red, the neutral wire is typically blue or black, and the ground wire is yellow or green. So, in this case, the brown wire is likely the hot wire, the blue wire is the neutral wire, and the yellow green wire is the ground wire.
What is the brown wire and the blue wire with the white stripe for on a kenwood kdc mp205 car stereo?
brown wire is called earth wire .or blue wire with white stripe is for anteena wire ok
How do you install a ceiling fan to plug into a wall outlet and should you use two or three strand electrical cord and which strand on the cord connects to which fan wires?
The neutral wire will have writing or ribs on it and connects to the white wire. The smooth wire is hot and connects to the black wire. Use 3 strand wire in size AWG # 16. If the fan has a light it will have a blue wire. Connect that blue wire to the black wire.
Where do you connect the blue wire on the tachometer for the bulb?
The blue wire on a tachometer is usually connected to the instrument panel lighting circuit. This allows the tachometer to light up when the vehicle's headlights are turned on. It is important to consult the tachometer's installation instructions for specific details on wiring connections.
Color code in 3 pin electric plug in India?
Green with Yellow Stripe Wire - Earth Wire (E) Blue Wire - Neutral Wire (N) Brown Wire - Live Wire (L) When you look at the plug with the terminals facing towards you: /\ / \ / E \ / \ / \ / L N \ ------------------
Is the blue wire the live wire?
When ever there is a potential difference between it and ground.
What are the four roots of a technology tree?
red wire, blue wire, green wire and the black wire.
What is the purpose of the blue wire in a thermostat?
The purpose of the blue wire in a thermostat is to connect the thermostat to the air conditioning system.
