Running 220 For 125 Feet

drlightman

Just a thought Chris: Is there by any chance an electric range closer than the 125 feet? The plug is different but it's still a 220 volt circuit, usually 50 or 60 amps. They are often 4 conductor with an equipment grounding wire. Whether you use 12 guage or 10 guage I definitely recommend the heavier SO/SOW/SOWA cordage.

Recyclist

"There's always time to fix it later. Why not just use that time to do it right in the beginning?" (Shut up, Murphy!)

72chevy4x4

if this were used on a long run to say a barn 300' away run on a 20 amp circuit...would it decrease the amperage by a little more than 5% or 10% and would the installation location be at the fore or aft end of the cable run?

I don't know a lot about 208 and 220-is 208v used in 3 phase where as 220v is single (residential) phase? Now, could a Buck Boost be used on a 208v leg to produce a 228v-and be usable as for a 220v motor? Case in point-a sewage lift station with 208v motor-could a 220v be used w/ a BB device?

mdshunk

Yes. In fact, that is their most common application.

Magnettica

By no means am I an expert on buck n boost transformers. But all that a buck n boost transformer does is boost (add) a few windings to the existing voltage so that the approriate voltage is used. The buck portion decreases voltage.

For instance, if a motor is rated for 240 volts, and the available source is only 208 volts, then a buck n boost transformer is needed to achieve the required voltage. The manufacturers specifications will detail all the transformer connections (H1, H2, X1, X2 etc.).

Keep in mind that some motors are dual rated for 208/230VAC and as long as the motor voltage rating is within' 10% of the supply voltage you're ok.

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Sparky Joe

I do so much prefer hearing MD's explanations, it's almost like we speak the same language, perhaps because we better understand eachother's competency levels.

Wow there's been a lot of posts, I was meaning #20

dw electric

I'm only a first year apprentice but doesn't the 3 in 10/3 mean that there is 3 conductors besides the ground not 3 conductors including the ground

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When in doubt --- GOOGLE it !!!

jbwhite

If it is a building wire like romex, then 10-3 means three conductors and a w/g is added if it has a ground.

If it is an appliance cable like SO, or SJO then 10-3 means three wires including the ground. Or just three insulated conductors, use them for what you like. (within the codes of coarse)

CE1

If you connect 208 VAC to the input of this boost transformer the output will be 240 VAC. The boost transformer is a 120 or 240 input with a 16 or 32 output. The only thing you have to do is size the boost transformer to the load. All it does is adds 32 volts to the 208 volts. As Marc said "very simple".

Attachment 5236

fast pasquale

What do you guys think of this?? Grant it... this is not my post.. it's from a flooring forum that I am a member...It sounds good to me but I wanted to check with the pro's first.....


"We've discussed getting 220 before when there wasn't an available 220 outlet. As you all know, in most service panels, there will be (2) 110 lines coming in (legs as some call it). In that panel there will be 110 breakers on each side of those legs. There even maybe a 220 breaker for an electric range or oven. Simply locate (2) 20 amp 110 breakers that are not important at the moment (do not need to be used while sanding). Now shut down the main power and disconnect the wires going to those breakers. * NOTE: the breakers must be on SEPARATE legs (lines) of 110 voltage. IE: one breaker on one 110 line and the other breaker on the other 110 line. Simply wire your sander cable directly into those breakers and hookup your ground to the ground buss. If you don't know how to do it, have an electrician do it and show you. It is safe and easy and allows you to shut the breakers off when not sanding, doesn't use wall wiring, and you can put the service panel cover back on while hooked up this way. This is the only way I'll hook up to 220 anymore if there is no 220 plug/outlet."



P.s. So i got some 10-3 ..the one rated for 600volts at 140 feet.. I checked the hots on the dryer receptacle and one read 121.6v the other read 121.2v.. So tomorrow i will run the machine all day and hopefully have good news.. My machine does have fuses ontop of the motor which my electrician told me today, along with popping a breaker, should protect the motor from blowing on my 6k flooring belt sander..

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Chris Frate
Pasquale Floors

mdshunk

They already make a device to do that, Pasquale.

http://www.quick220.com/220_pictures.htm
and another:
http://refreshyourhome.com/new-steam...CONVERTER.html

Sparky Joe

with romex and MC the number does not include the ground, but with cable assemblies that aren't meant to be hidden by walls then all the wires are counted.

I don't actually know where the difference is, but you'll the different names in coming years

Sparky Joe

That's good news on buying the 10/3, did you already put on the cord caps?

Do you know exactly what type of cord it is? I imagine it's black(possibly yellow) but will have some capital letters printed on it that say what type it is, probably starting with an 'S'(I can't name a cable that's rated less than 600 volts, I hope that wasn't an upsell)

fast pasquale

Yeah Sparky... I put caps on both ends.. it's black. rated for 600volts sj or sjo..can't remember. 150 bucks with one connector. .90/ft.. is that a good price??
Drlight... no other 220 where anyhwere on the floor.

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Chris Frate
Pasquale Floors

daveselectric

if this were used on a long run to say a barn 300' away run on a 20 amp circuit...would it decrease the amperage by a little more than 5% or 10% and would the installation location be at the fore or aft end of the cable run?


First, you have it backwards. Voltage decereases in long runs and amperage increases. Second, I'd like to see a picture of that barn with the hardwood floors.

jbwhite

Have you ever heard of Ohms Law?

Have you ever learned how to do the calculations?