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I am getting 240volt accross the ground and neutral at the output

110volts outlet after i put in a 220 single phase in a110--220voltsstabliser.due to this fact my back up surge protector wiring fault light comes on.

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How to wire a cooper Quadra Mark MH 277 Volt light


Quadra mark is commercial metal halide light
It appears the 208-240 480V model is different from 120, 277 or 347V model.
You cannot connect 277Volt light to 240Volt
These are two different things.
Commercial 277V has 1 hot leg and a neutral (very similar to residential 120V which also has 1 hot leg and neutral)
http://waterheatertimer.org/images/How-to-wire-outlets-14.jpg
While residential 240V has 2 hot legs
http://waterheatertimer.org/See-inside-main-breaker-box.html

Check rating label on light and see if it shows 120V in addition to 277V
If rating plate shows 120V, then it should work.

Residential 240Volt has 2 hot legs, each Hot leg measures 120V to ground
So you can use one Hot leg from the 240Volt breaker, and use ground wire to make 120Volt circuit.
Using ground wire to complete circuit in this manner is completely out of code and not recommended by any professional electrician. But it will work.

http://waterheatertimer.org/How-to-wire-3-phase-electric.html
http://www.electriciantalk.com/f5/

Apr 16, 2013 | Electrical Supplies

1 Answer

80 gallon tank what is the voltage and how do i hook electric wires to it


Most Larger water heaters are 220 volt ac single phase. This means you need 3 wires, two hot wires one neutral or ground. You will need to come from the breaker box off of a dual breaker of 30 amps or better. See the manual with the new heater. In your breaker box you have two sides or in coming service. The right side and the left each side is hot 110volts ac. you need to pull one leg (hot) from each side into the dual breaker out to the heater connections. The ground or neutral wire is un-insulated copper. Run these wires out to the heater. One black hot at 110 vac, one white hot at 110 vac and one plain copper ground.

Sep 27, 2011 | Water Heaters

1 Answer

How can i install the transformer for intermatic timer t10004rt3


Intermatic phone number: 815-675-7076

T104RT3 has 120Volt 300 watt transformer with 12-13-14Volt output.

The timer mechanism is 240Volt T104M.

Since both 120Volt and 240Volt are needed, the wire coming from breaker box should have 2 Hots and a neutral, plus the ground wire.
So you need 12-3 with/ground wire or 10-3 with/ground wire.
See image of typical wires plus ratings:
http://waterheatertimer.org/Color-codewire.html
See example image showing 2 hots and neutral and ground coming from breaker box:
http://waterheatertimer.org/images/Basic-240-Volt-water-heater-circuit-2.jpg

The 2 hot wires come from a 240Volt circuit breaker.
The neutral comes from the neutral busbar, or can be accessed from tying into any white neutral on nearby 120Volt outlet.

How to wire timer:
Connect 240Volt hot wires to terminals 1 and 3 on timer. Connect 240Volt timed output to terminals 2 and 4 on timer.

How to wire transformer:
Connect 120Volt transformer two different ways. (a) white wire connects to neutral wire and black wire connects to terminal 1 on timer. With this wiring, the transformer is ON at all times. (b) white wire connects to neutral wire and black wire connects to terminal 2 on timer. With this wiring, the transformer will be ON when timer turns on.
Do not put both stranded wire and copper wire under same screw terminal. Instead connect transformer wire to solid copper wire using wire nut.

Sep 24, 2011 | Intermatic Timer Single Circuit Control...

2 Answers

Three phase house wiring, i want diagram with electrical symbols


What kind of diagram are you looking for? Large business and warehouses have 3 Phase. I've not heard of a house. but let me know. Typically 110 comes out of one breaker and one neutral wire (and saftey ground is 3rd) 220 comes out of two hot leads and one neutral wire (single phase). 3 phase comes out of 3 hot leads and one neutral but is still 220 volt.

Feb 15, 2011 | Amana Hammering

1 Answer

Case 1: 220 V, 50Hz applied to s 3000 measuring the output as follows: 1- phase to ground 220 2- Phase to neutral 219 3- ground to neutral 1 volt Case 2 disconnct the input 220 V we have 1- phase...


Did you measure with a true RMS meter?
If yes,the results are normal,but your ground connection is not very good.
The case has 110v potential (exactly half of the input&output 220v) because of the input and output capacitor filters (a capacitor is conectet from phase to casis and an other from neutral to chasis,thus resulting a 1/2 voltage divider). Because of this,the earthing is necessary.

Jan 16, 2011 | MGE Evolution S 3000 VA RT2U Rack (68465)...

1 Answer

How can i get single phase power from my 3 phase generator


I have not wire this myself
Wiki says under heading of single-phase:
http://en.wikipedia.org/wiki/Three-phase_electric_power
Single-phase loads may be connected to a three-phase system in two ways. A load may be connected across two of the three phase conductors or a load can be connected from a live phase conductor to the system neutral. Single-phase loads should be distributed evenly between the phases of the three-phase system for efficient use of the supply transformer and supply conductors. Where the line-to-neutral voltage is a standard utilization voltage (for example in a 230 V/400 V system), individual single-phase utility customers or loads may each be connected to a different phase of the supply. Where the line-to-neutral voltage is not a common utilization voltage, for example in a 347/600 V system, single-phase loads must be supplied by individual step-down transformers.

So it sounds like you take 2 legs of the 3-phase.
or
Take one leg of the 3-phase and connect to neutral ... neutral could be a ground rod.

I would put a meter on that circuit before hooking up my power saw.

Nov 17, 2010 | Electrical Supplies

1 Answer

I have a ups system that i am feeding with 240 vac phase to phase and both phase to ground readings are 120 vac but when i go to battery power i get 240 vac phase to phase and 1 phase to ground i get 220...


No, I don't think there is anything wrong. Your UPS seems to have a single phase 240V output, which seems to be "floating" (no or only a weak ground reference).
Just be aware that you can only power 240V equipment from it. If you need 120V for some devices _and_ if the UPS provides sine wave output, you could use a step down transformer for this purpose.

Mar 12, 2010 | Tripp Lite Smart Pro UPS System

1 Answer

We have a Carrier mini split AC that we are wiring on a portable office that will be going to a foreign country, the Carrier #38QG24-H. This unit's voltage specifications is 200-240volts, single phase, 50...


please 200- 240 volts is a standard for all and for the breaker is depending of the country if 120 v single phase you will install as usa if 220 v single also you can connect you breaker but the problem is some countries are not 50 hz comfirm the unit is 50/60 hz.

Sep 24, 2009 | Heating & Cooling

1 Answer

Using dryer in 220volt country


Bombay is 240v single phase, the three wires in the socket are active neutral and earth, not as the 2*110v90degree two phase American circuit active1 active2 and neutral
.
If the transformer is designed for American use, it does not step down 220v,
it instead takes a 2*110v90degree 2 phase supply and produces a high current 110v single phase output, by setting both input phases electrically 90degrees apart on a common primary winding.
This is not compatible.

replace the dryer, cheaper faster safer
should have left in Houston

Sep 09, 2008 | Kenmore 62602 Electric Dryer

2 Answers

Residential Electrical Wiring Current NEC


On a 120/240Volt single phase system is:

Black = 1st phase
Red = 2nd phase
White = neutral
Green or Bare = ground

3 phase is the same with the third phase being blue.

Jul 28, 2008 | Motorola 3-Wire Surveillance Headset...

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