2 or 3 wire service?

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  #1  
Old 03-10-07, 11:48 PM
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2 or 3 wire service?

I need a little advice regarding the 60 Amp electrical service that enteres my 70 yr old rental house. I can see 2 insulated wires and a cable looking, uninsulated strand connecting from the meter to the power pole.

Is the uninsulated strand is just there to maintain tension and support the two insulated wires? or is the uninsulated cable actually the ground or neutral.

Does this mean that I have 120v or 220v entering the house?

If I have 120v entering the house is it safe keep a 220v stove and dryer wired in the house.

Does the NEC require residential service to be 220v?

I do plan to hire an electrician to upgrade the service to 100 Amp, but I am just curious. Thanks
 
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Old 03-11-07, 05:59 AM
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Are the insulated wires twisted around the uninsulated wire? If so yes you have 240v coming in. You have given no info on breaker or fuse box so no way to know for sure if you currently have 240v available at the panel but you almost certainly do if all three wires enter the meter can.
 
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Old 03-11-07, 06:03 AM
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From the description, as Ray said, it does sound like you have a standard 120/240v service drop.

About the only 120v services I have seen were 30A-120v.
 
  #4  
Old 03-13-07, 09:18 AM
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The bare wires serves as both the physical support for the cable assembly (it has a steel core), and is the electrical neutral, so you would likely have 120/240V service.
 
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