# Dropped Neutral

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#### Steve L.

##### Member
Hi,

I was helping someone cut a tree down and it fell on the overhead triplex to the residence. The neutral wire was previously damaged and our branch severed it completely causing a T.V., flourescent light and a heating blanket to spark and burn out. I spoke with the power co. worker but did not fully understand his explanation. Can you help?

#### roger

##### Moderator
Staff member
All those loads became series loads on a 240 volt circuit and the higher resistance loads saw an elevation in voltage I x R = V

Using the above formula calculate the voltages on each of the lamps in the open neutral circuit below

Roger

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#### andinator

##### Senior Member
180V and 60V ,respectively. The OP has YEARS and YEARS more experience in the field than me...Do I get a cookie?

#### LarryFine

##### Master Electrician Electric Contractor Richmond VA
andinator said:
Check under Tools in your browser's Options settings.

#### LawnGuyLandSparky

##### Senior Member
roger said:
All those loads became series loads on a 240 volt circuit and the higher resistance loads saw an elevation in voltage I x R = V

Using the above formula calculate the voltages on each of the lamps in the open neutral circuit below

Roger

HOMEWORK? On FRIDAY? :wink:

#### 480sparky

##### Senior Member
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