shawelectric
Member
Coax is melting under under the panel where it's connected and grounded to the panel grounding to the house is good but the coax is melted three times.
Coax melting
- Thread starter shawelectric
- Start date
- Status
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
Bad service neutral. The coax shield is being forced to share neutral current.
It's not from poor grounding. Those are two different things.
It's not from poor grounding. Those are two different things.
ptonsparky
Tom
- Occupation
- EC - retired
I agree.
Pictures are always nice and while you're there, clamp an amp meter around it.
I'm surprised that is all the damage you have.
Pictures are always nice and while you're there, clamp an amp meter around it.
I'm surprised that is all the damage you have.
winnie
Senior Member
- Location
- Springfield, MA, USA
- Occupation
- Electric motor research
There are other possibilities.
The bad neutral could be on another property, with neutral current from the other property finding its way to a the property in question where a good neutral is present.
The coax could be carrying return current from a piece of equipment on the same property.
(Very unlikely) The coax could be acting as an antenna and picking up RF from some nearby source.
Coaxial isolators are available which pass signals but block low frequency current on either center or shield conductor.
-Jon
The bad neutral could be on another property, with neutral current from the other property finding its way to a the property in question where a good neutral is present.
The coax could be carrying return current from a piece of equipment on the same property.
(Very unlikely) The coax could be acting as an antenna and picking up RF from some nearby source.
Coaxial isolators are available which pass signals but block low frequency current on either center or shield conductor.
-Jon
- Status