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Old 04-10-2011, 04:44 PM   #1
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


Good Afternoon -

I want to make sure I am doing this correctly and get some thoughts. Due to the way my house is constructed it is very difficult to get wire from the external breaker box into the attic and run to the rest of the residence.

I have an unused 220V 50A/50A line originally designated for an electric range that I do not need that is accessible in the attic. I would like to split this into four separate 110V 20A lines. It is within code and acceptable to run the 220V into a four breaker box in the attic and then split four 110V 20A lines out of it?

It seems like I have 100A going to the new box and only 80 coming out. Or should I create two boxes with two 110s coming out of each fed by one of the 50 Amp lines?

Thank you in advance.

Sean

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Old 04-10-2011, 05:09 PM   #2
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


Is it a four wire range cable?

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Old 04-10-2011, 05:20 PM   #3
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


It is a four wire. Bare, Red, White and Black.
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Old 04-10-2011, 05:28 PM   #4
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


You can use this 50 amp circuit for a 50 amp sub panel as long as the wire is sized correctly for 50 amps. I would run a bigger panel than just four circuits so that you can add additional circuits in the future.
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Old 04-10-2011, 06:19 PM   #5
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


not a good idea to put a panel in a attic.when you trip a breaker you go to attic.wher is the ladder?second you only have 50 amps to panel.the 50 amp breaker will only handel 50 amps.the handels are tied together so when one leg goes past 50 amps it trips.both legs go out.you dont total both sides to get 100 amps.same with breakers to feeders.i would try to get a panel down a wall in a hall-way.that way you can get to breaker that has tripped rather than get a ladder.
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Old 04-10-2011, 06:24 PM   #6
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


You can install a panel on this cable. The panel must be located in an area with all the proper clearances for panel boards. If this is a walk in attic it probably meets those requirements. If this is an attic you access through a hole in the ceiling it won't meet requirements.
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Old 04-11-2011, 09:45 PM   #7
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Splitting Range 220V 50Amp/50Amp into 4 separate 110V 20 Amp cirucits


Thank you everyone for you help with this. I actually studied to be an electrician in high school but that was 30 years ago I just wanted to make sure nothing has changed. Thanks again.

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