Best Answer

Only if the ballast is a multi tap ballast.


Even if you could install a 120V ballast, or tap it to 120V with the existing one, Current may become an issue. To run the 400W light (sodium?) Now instead of the .833 amp range it's more like 3.33 amps. Supply wiring would have to be able to handle that. Those types of lights are often on long runs to building and grounds lights, parking lots, etc. Using 480 saves a lot on wiring costs.

User Avatar

Wiki User

โˆ™ 2015-07-15 20:45:05
This answer is:
User Avatar
Study guides


20 cards

What type of circuit in which all parts are connected in a single loop

What angle is between 90 and 180

What condition has symptoms that include ringing buzzing or roaring in the ears or head

What is the transfer of energy as electromagnetic waves called

See all cards
23 Reviews

Add your answer:

Earn +20 pts
Q: Can an overhead 400W light with built in ballast that is currently wired to use 480V be rewired to use 120V?
Write your answer...
Still have questions?
magnify glass
Related questions

Can you use a 40 watt fluorescent bulb in place of 32 watt?

Yes, as long as it is a Compact Fluorescent Lamp with a built-in digital ballast. If the light fixture has internal components, ballast compatibility is not guaranteed.

What are devices used by submarines to control density?

Allowing water into, or discharging it to replace by air, ballast-tanks built into the hull.

Can you get a camera for the iPad?

The iPad currently has a built-in camera.

What north American car manufacturer built the first overhead valve v8 engine?


During Sukkot a sukkah is built in a garden What materials is it made of?

Plywood walls and a canopy of foliage overhead.

Who built the dunedin railway station?

It was built by the New Zealand Railways, but is currently owned by the Dunedin City Council. Built in 1906.

Is the Elmo HV-5100XG Overhead Projector built well it looks fagile?

The Elmo 5100XG is built well and could probably be dropped an inch or two with no damage.

Where is the John Deere gator built?

all Gators have been and are currently being built from a factory in Horicon, Wisconsin.

Who built Z3 in 1941 and where was it currently displayed?

Z3 was built by Zuse Zi and was destroyed by a allie bombing raid.

Who has built the world's fastest computer?

Currently, China has the fastest computer

When will new kone tower be built in Moline?

It is currently being constructed.

What country was Tenochtitlan built in?

Tenochtitlan was built in what is today the country of Mexico. Specifically it was located where Mexico city is currently situated.

People also asked