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Mark the phases red (phase) black (phase) and blue (phase) along with a white (neutral) and a ground (wire size depends on the main breaker amperage) the phases attach to the main breaker unless it is a breakerless panel attach the phases to the lugs on the bus bars top or bottom then connect the neutral to the neutral bus and the ground to the panel

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What is 4160 Volt electrical wire insulation rated for?

You can use an insulation rating 5000 volt to run 4160 volt supply.


Can you charge two 12 volt batteries wired in series without disconnecting them with a 12 volt charger?

No, since in series they are 24 volts so you need to charge each one independently with the 12 volt charger. This may be done disconnected or leave them connected and put the charger on the + - of the same battery.


Would voltage in a three phase supply change if neutral wire is disconnected?

No, The voltage will not change. The neutral is basically a ground and is used in conjunction with the phases to create another voltage and act as the return line in an electrical system. "Depending on the system that you have". If you have a 480 volt and used a neutral with it you would have 240 or 277 volt. The 277 volt is what is normally used in office lighting. If you have a 208 or 240 three phase system using a neutral you end up with the 120 volts that is used for just about all normal lighting, receptacles and general use devices used everyday.Additional AnswerWhile the supply voltage wouldn't change, the voltage across each phase of an unbalanced load may change if that load is unbalanced.


What size time delay fuse do you use on a 40 hp 230 volt 3 phase motor?

The electrical code book states that a 40 HP 230 volt three phase motor draws 104 amps. For that motor the wire must be rated for 131 amps, Non time delay fuses at 300 amps, time delay fuses at 175 amps or a 250 amp circuit breaker. When calculating wire sizes and motor protection the motor's full load amperage should be taken from the motor's nameplate.


Can you connect a 277V ballast to 208V line service?

No. A 277 volt ballast needs the correct voltage to operate. The 277 voltage is derived from the star point voltage of a 480 volt three phase system (277/480). The 208 voltage is a three phase line voltage whose star-point voltage is 120 volts (120/208).

Related Questions

Can a standard 40 amp 208-240 volt single phase oven be wired to a 240 volt three phase circuit without using a transformer?

No, a single-phase oven cannot be wired to a three-phase circuit without a transformer. The electrical systems are incompatible and may result in damage to the oven or the circuit. It is recommended to use the appropriate circuit or consult with a licensed electrician for proper installation.


Why would two 240 volt transformers on different primary phases have their secondary windings wired in series?

What you are probably looking at is a 240 volt three phase system with the secondaries wired in an open delta configuration.


Does a 2 horsepower rotary converter plug into 120 single phase and convert it to plug in a 3 phase outlet?

All my experience with rotary phase converters have been in converting 240 volt single phase into 240 volt three phase. They all were hard wired into their respective systems, so my answer is no.


What is the minimum volt rating of wire used in a 3 phase 4160 volt phase to phase system?

5000 volt


What are the specific electrical requirements for a 208/230 volt single phase appliance?

A 208/230 volt single phase appliance requires a dedicated electrical circuit with a voltage of 208 to 230 volts and a single phase power supply. The appliance should be connected to a properly rated outlet or wiring to ensure safe and efficient operation.


What are the key considerations when installing a 3 phase 240-volt electrical system?

When installing a 3-phase 240-volt electrical system, key considerations include ensuring proper wiring size and type, appropriate grounding, correct phase rotation, balanced loads across phases, and compliance with local electrical codes and regulations. It is important to hire a qualified electrician for safe and efficient installation.


You are measuring 480 volt from phase to phase and 280 volt phase to ground but one leg measures 440 volt phase to ground why?

Check for a blown fuse in one of the phase legs.


What are the key considerations when installing a single phase 240-volt electrical system?

When installing a single phase 240-volt electrical system, key considerations include ensuring proper wire gauge for the voltage, using appropriate circuit breakers, grounding the system correctly, and following local electrical codes and regulations to ensure safety and compliance.


Will I save on my electric bill if i run my system with 240 volts?

No. Electric companies base your electrical bill on Wattage, not Voltage or Current. While ballasts wired for 240 volt will draw less current and run a little cooler than one wired for 120 volt, it will not save you money on your electric bill.


Can 12 volt charger charge 3 batteries wired in series?

No, if they are wired in series you have 36 volts assuming each battery is a 12 volt battery. They will have to be wired in parallel to output 12 volts. In that case you can charge them with a 12 volt charger but it will take 3 times as long as charging just one 12 volt battery.


How do you wire a 277 volt heater from 480 volt box?

Answer for USA, Canada and countries running a 60 Hertz supply service.The 277 volt heater can be wired to a single pole breaker in a 3 phase 4 wire 480 volt distribution panel. The breaker should be sized to the amperage draw of the heater. 277 volts is the star point (wye) voltage of a 480 3 phase system. 480 / 1.73 = 277 volts. The third answer is not correct, two phase legs of a 480 volt system will give you 480 volts. It is the phase leg to ground (neutral) that gives you the 277 volts.A 277 Volt heater or device may not be wired to a 480 Volt circuit or box. A 277 Volt device may only be wired to a circuit rated for 277V/480V equipment.2 legs of 480 volts will give you 277. But since you don't know the answer you probably shouldn't be doing it! Please don't kill yourself, hire a licensed electrician.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energizedIF YOU ARE NOT REALLY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.


Is having a 120 240 volt system bad?

No, all modern homes (in the United States) are wired this way, and with good reason. Take a basic electrical theory class to find out the benefits of a balanced electrical system.