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Can you wire lighting fictures to receptical circuits?
Yes as long as you stay within your local code. Usually a combination of lights and receptacles cannot exceed ten total. Do not wire any light to a circuit that requires a dedicated circuit, such as a refrigerator, dishwasher, etc.
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Why it is necessary to have an earth wire installed in a power circuit but not in a lighting circuit?
Power circuit carries high power and costly devices. If there is some unwanted power signal(noise) in the wire it can damage the device. To reduce this effect earth is nec…essary. Lighting circuit carries low power(current).So, we ignore the earth terminal. Answer for UK Lighting cables do normally include a protective (earth) conductor, and this is terminated in each ceiling rose, as are the line and neutral conductors. Whether or not the earth terminal is actually then used depends on the luminaire (light fitting). For example, if it is simply a suspended lamp then the earth connection is not used; on the other hand, if it is a fluorescent lamp enclosed in a metal enclosure, then the enclosure is connected to the earth terminal.
In the United States this is acceptable provided it is at least a duplex receptacle or it is not the only receptacle on the circuit. A 15A receptacle will only allow devic…es rated at 15A or less to be plugged into them.
When a circuit of light bulbs is wired in such a way that if one bulb burns out the rest stay lit it is called a circuit?
You should use 14 AWG wiring on all 15 amp circuits.
I you wired a light bulb in to the same circuit you have the possibility of over loading the circuit but other than that it would just be brighter.
one light will still be going
Electrical wiring with current flowing through it produces an electromagnetic field. That magnetic field can interfere with other electromagnetic radiation, such as the …radio signal that are produced and received by a cellular phone.
They complete the ckt. Without wires/conductors of some sort, we couldn't connect all those other parts. They are connections between other parts of the circuit such as light …bulbs, buzzers, etc. The wires carry the electricity through them to the light bulbs, buzzers, switches, etc on the circuit.
Because the supply voltage is common to each branch of a parallel circuit, each appliance receives its rated voltage which is necessary for the appliance to operate at its rat…ed power. This is the main reason. Another reason is, should one appliance fail, then -unlike a series circuit- the other appliances will keep working.
The age old problem with series strung Christmas tree lights, is that if one bulb fails and goes open circuit, the circuit is broken and all the lights go off. There is gene…rally no indication as to which lamp has failed. They all have to be individually tested, until the dud one is found. In parallel circuits, if one lamp fails, the rest will stay on and the dud one is immediately apparent. In this respect parallel lamps are better. The down side is, that in a parallel circuit, each lamp voltage has to be that of the supply. When using mains supply that would have to be 240v in UK, 110v in USA. Potentially dangerous. Series lamps are divided into the supply voltage and low voltage lamps can be used. Modern solutions use low voltage LEDs, wired in parallel, running cool, rarely fail and powered by a supply, which reduces the mains voltage to a much safer battery voltage.
Can you wire a 15 Amp receptacle or socket outlet for a 15 Amp plug on a 30 Amp circuit And would this not work if you protected the receptical with a GFI plug?
Answer for USA, Canada and countries using similar 60Hz mains supplies No, it would not be safe. DON'T DO THIS! If anything went wrong with an appliance plugged in…to that 15 Amp socket outlet there would be a serious risk of starting a house fire or someone could get electrocuted. The reason is that the breakers on 30 Amp circuits would not cut the power off if an accident happened or something went badly wrong inside an appliance that takes less than half that 30 Amp current. The current draw would be even less if it was a table lamp or something equally small. As you asked this question here you may not really know how to handle household AC power circuits safely, so be sensible: call a licensed electrician to install the correct circuit breaker and the right size of wiring to power any new 15 Amp socket outlets you need in your house, so that you and your family can use them safely. ALWAYS CHECK WITH YOUR LOCAL WIRING SAFETY OFFICE BEFORE YOU ATTEMPT TO CHANGE ANYTHING - ELECTRICAL SERVICE PANEL, BREAKERS, CABLES OR OUTLETS - ON ANY ELECTRICAL POWER CIRCUITS IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB SAFELY AND COMPETENTLY REFER THIS WORK TO QUALIFIED PROFESSIONALS. If you do this work yourself, always turn off the power at the breaker box/fuse panel BEFORE you attempt to do any work AND always use an electrician's test meter having metal-tipped probes (not a simple proximity voltage indicator) to insure the circuit is, in fact, de-energized.
It is relatively easy to wire a single phase contactor that is controlled by a pir in a lighting circuit. Take the two wires for the line that is to be interrupted or connecte…d and attach them to the two power contacts. If this is too complex please get some help from an electrician as working with electricity can be very dangerous.
Just one! You'd never believe it but you only need one wire in a curcuit. unless things are stopping it then you need more. it depends on what materials you are using. my phys…ics teacher always told me that the clips on the end of the wire are crocodiles and if i didnt do my experiments properly, i would be eaten alive :) i was the best student in the class after that experience.
The wire in a circuit acts like pipes directing water from one location to another. Wires carry the current.
Answer for USA, Canada and countries running a 60 Hertz supply service. Red for live and white for neutral. Answer for the UK. Until the standard was changed to comply… with European Union regulations, the UK used red for the line conductor and black for the neutral conductor. The EU regulation now requires brown for the line conductor and blue for the neutral conductor. All older homes in the UK still have the red/black colouring, but all newer homes have the brown/blue colouring. Older homes with newer extensions will have red/black in the older part and brown/blue in the newer part, and labels are required drawing attention to this mixed system.
277 v is the line-to-neutral voltage of a 480 v three-phase supply.