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Old November 11th 06, 01:51 PM posted to alt.home.repair,rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy,alt.hvac
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Posts: 444
Default Trane furnace radio/TV interference

Noon-Air wrote:

SNIPPED

As Jake said.... with the addition of....
Make sure that you have proper earth grounds for your power, and the HAM
rigs/shack. That will go a long way towards eliminating RFI. Make sure that
all the bonding screws in the furnace are clean and tight, make sure that
the furnace has a proper ground also.
When I put the shack together, I drove a seperate 8ft copper ground rod, and
silver brazed #6 solid copper to it, then silver brazed the wire to the
copper ground buss on the back of the bench. All equipment grounded.....no
problem.

de n6ojn



As you describe your setup it does meet USA National Electrical Code. Your home
should have ONLY one earth connection, not two!

As you describe it, your house presumably has the electrical service panel
grounded to an 8 feet long ground rod where the service enters the house. You
seem to have added a second 8 feet ground rod to your home specifically for the
Ham station.

Check with a local electrician for specific compliance issues.

/s/ DD

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Old November 11th 06, 02:29 PM posted to alt.home.repair,rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy,alt.hvac
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First recorded activity by RadioBanter: Jul 2006
Posts: 60
Default Trane furnace radio/TV interference


"Dave" wrote in message
. ..
Noon-Air wrote:

SNIPPED

As Jake said.... with the addition of....
Make sure that you have proper earth grounds for your power, and the HAM
rigs/shack. That will go a long way towards eliminating RFI. Make sure
that all the bonding screws in the furnace are clean and tight, make sure
that the furnace has a proper ground also.
When I put the shack together, I drove a seperate 8ft copper ground rod,
and silver brazed #6 solid copper to it, then silver brazed the wire to
the copper ground buss on the back of the bench. All equipment
grounded.....no problem.

de n6ojn



As you describe your setup it does meet USA National Electrical Code. Your
home should have ONLY one earth connection, not two!


Actually as I live in a lightening prone area, my home has several earth
grounds as do most of the other buildings in the area.

As you describe it, your house presumably has the electrical service panel
grounded to an 8 feet long ground rod where the service enters the house.


The main service panel has 2 ground rods tied to the same buss, The TV cable
entrance has a seperate earth ground, as does the telephone entrance, and
the sub panel in the garage.

You seem to have added a second 8 feet ground rod to your home specifically
for the Ham station.


Yes and that one too.

Check with a local electrician for specific compliance issues.


done did... the sparky is the one that put the extra rods in for the service
entrance and the garage sub panel, and the city inspector signed off on it.

/s/ DD



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Old November 11th 06, 02:59 PM posted to alt.home.repair,rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy,alt.hvac
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First recorded activity by RadioBanter: Jul 2006
Posts: 570
Default Trane furnace radio/TV interference


"Noon-Air" wrote in message
. ..

"Dave" wrote in message
. ..
Noon-Air wrote:

SNIPPED

As Jake said.... with the addition of....
Make sure that you have proper earth grounds for your power, and the HAM
rigs/shack. That will go a long way towards eliminating RFI. Make sure
that all the bonding screws in the furnace are clean and tight, make
sure that the furnace has a proper ground also.
When I put the shack together, I drove a seperate 8ft copper ground rod,
and silver brazed #6 solid copper to it, then silver brazed the wire to
the copper ground buss on the back of the bench. All equipment
grounded.....no problem.

de n6ojn



As you describe your setup it does meet USA National Electrical Code.
Your home should have ONLY one earth connection, not two!


Actually as I live in a lightening prone area, my home has several earth
grounds as do most of the other buildings in the area.

As you describe it, your house presumably has the electrical service
panel grounded to an 8 feet long ground rod where the service enters the
house.


The main service panel has 2 ground rods tied to the same buss, The TV
cable entrance has a seperate earth ground, as does the telephone
entrance, and the sub panel in the garage.

You seem to have added a second 8 feet ground rod to your home
specifically for the Ham station.


Yes and that one too.

Check with a local electrician for specific compliance issues.


done did... the sparky is the one that put the extra rods in for the
service entrance and the garage sub panel, and the city inspector signed
off on it.


Good. Enjoy your ground loops, and have fun replacing appliances the next
time lightning hits close. Don't even think of surviving a direct strike.


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Old November 13th 06, 04:44 AM posted to alt.home.repair,rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy,alt.hvac
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First recorded activity by RadioBanter: Nov 2006
Posts: 3
Default Trane furnace radio/TV interference


"Noon-Air" wrote in message
. ..

"Dave" wrote in message
. ..
Noon-Air wrote:

SNIPPED

As Jake said.... with the addition of....
Make sure that you have proper earth grounds for your power, and the HAM
rigs/shack. That will go a long way towards eliminating RFI. Make sure
that all the bonding screws in the furnace are clean and tight, make
sure that the furnace has a proper ground also.
When I put the shack together, I drove a seperate 8ft copper ground rod,
and silver brazed #6 solid copper to it, then silver brazed the wire to
the copper ground buss on the back of the bench. All equipment
grounded.....no problem.

de n6ojn



As you describe your setup it does meet USA National Electrical Code.
Your home should have ONLY one earth connection, not two!


Actually as I live in a lightening prone area, my home has several earth
grounds as do most of the other buildings in the area.

As you describe it, your house presumably has the electrical service
panel grounded to an 8 feet long ground rod where the service enters the
house.


The main service panel has 2 ground rods tied to the same buss, The TV
cable entrance has a seperate earth ground, as does the telephone
entrance, and the sub panel in the garage.

You seem to have added a second 8 feet ground rod to your home
specifically for the Ham station.


Yes and that one too.

Check with a local electrician for specific compliance issues.


done did... the sparky is the one that put the extra rods in for the
service entrance and the garage sub panel, and the city inspector signed
off on it.

/s/ DD



You bonded all the grounds, eh?


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Old November 13th 06, 05:08 AM posted to alt.home.repair,rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy,alt.hvac
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First recorded activity by RadioBanter: Jul 2006
Posts: 60
Default Trane furnace radio/TV interference


"Oscar_Lives" wrote in message
news:UKS5h.278091$1i1.256793@attbi_s72...

"Noon-Air" wrote in message
. ..

"Dave" wrote in message
. ..
Noon-Air wrote:

SNIPPED

As Jake said.... with the addition of....
Make sure that you have proper earth grounds for your power, and the
HAM rigs/shack. That will go a long way towards eliminating RFI. Make
sure that all the bonding screws in the furnace are clean and tight,
make sure that the furnace has a proper ground also.
When I put the shack together, I drove a seperate 8ft copper ground
rod, and silver brazed #6 solid copper to it, then silver brazed the
wire to the copper ground buss on the back of the bench. All equipment
grounded.....no problem.

de n6ojn



As you describe your setup it does meet USA National Electrical Code.
Your home should have ONLY one earth connection, not two!


Actually as I live in a lightening prone area, my home has several earth
grounds as do most of the other buildings in the area.

As you describe it, your house presumably has the electrical service
panel grounded to an 8 feet long ground rod where the service enters the
house.


The main service panel has 2 ground rods tied to the same buss, The TV
cable entrance has a seperate earth ground, as does the telephone
entrance, and the sub panel in the garage.

You seem to have added a second 8 feet ground rod to your home
specifically for the Ham station.


Yes and that one too.

Check with a local electrician for specific compliance issues.


done did... the sparky is the one that put the extra rods in for the
service entrance and the garage sub panel, and the city inspector signed
off on it.

/s/ DD



You bonded all the grounds, eh?


no, the RF grounds are not bonded to the power grounds.




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Old November 12th 06, 05:58 AM posted to rec.radio.amateur.misc,rec.radio.amateur.antenna,rec.radio.amateur.policy
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First recorded activity by RadioBanter: Jul 2006
Posts: 442
Default Trane furnace radio/TV interference


"Dave" wrote in message
. ..


snip

As you describe your setup it does meet USA National Electrical Code. Your

home
should have ONLY one earth connection, not two!
/s/ DD


I don't know about that! I had some work done which involved an upgraded
service entrance and new breaker panel. The electrician added a second
ground via a ground stake beneath the panel, despite the original (1967)
ground via the cold water inlet pipe being intact and sound.

(I will concede that he didn't quote chapter and verse in the NEC; he may
have been following a local code requirement. I know he wasn't padding the
bill, as he was doing the job at the behest of my son, from whose business
he was buying his supplies. (Still does.)

"Sal"



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