Quiltingboard Forums

Go Back  Quiltingboard Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Today's Posts
Search
Vendor Directory
 
Page 1 of 2
1
2
Search: Posts Made By: westom
Showing results 1 to 25 of 33
Search took 0.02 seconds.
Forum: Main
03-24-2011, 12:14 AM
Replies: 14
Views: 5,648
Posted By westom

Take a $3 power strip. Add some ten cent...

Take a $3 power strip. Add some ten cent protector parts. Sell it for $7 in a supermarket. Similar circuit sells in Walmart or Staples for $25 or $60. Or Monster sells a similar circuit in Best...
Forum: General Chit-Chat (non-quilting talk)
03-23-2011, 05:12 AM
Replies: 10
Views: 1,130
Posted By westom

None of those protectors did any protection. ...

None of those protectors did any protection. Each did what its manufacturer spec numbers said it would do: no protection from that type of surge.

Superior protection already exists in each...
Forum: Main
01-15-2011, 11:44 AM
Replies: 135
Views: 21,029
Posted By westom

Ok. That would probably be a 'whole house'...

Ok. That would probably be a 'whole house' protector installed for free on every house. They would not be replacing the jack. They would be replacing a protector. Apparently (hopefully) a surge...
Forum: Main
01-15-2011, 11:26 AM
Replies: 135
Views: 21,029
Posted By westom

Again, the protector is only as effective as its...

Again, the protector is only as effective as its earth ground. A surge, typically incoming on AC mains, was hunting for earth. May have found earth via the telephone jack. That jack could have...
Forum: Main
01-15-2011, 11:16 AM
Replies: 135
Views: 21,029
Posted By westom

Now for numbers. IEEE makes all recommendations...

Now for numbers. IEEE makes all recommendations in standards. From the IEEE Green Book (IEEE Standard 142) entitled 'Static and Lightning Protection Grounding':
> Lightning cannot be prevented;...
Forum: Main
01-15-2011, 10:58 AM
Replies: 135
Views: 21,029
Posted By westom

First, the 'whole house' need not be grounded. ...

First, the 'whole house' need not be grounded. Only a 'whole house' protector and all incoming wires must be earthed. Major difference.

Second, did you know that Saddam's WMDs were a myth? I...
Forum: Main
01-15-2011, 10:48 AM
Replies: 135
Views: 21,029
Posted By westom

Wow. You actually think a warranty will be...

Wow. You actually think a warranty will be honored?

Did you read reams of fine print exemptions so that the 'insurance' is not honored? A latest APC exemption says that no 'whole house'...
Forum: Main
01-14-2011, 09:33 PM
Replies: 135
Views: 21,029
Posted By westom

Your computer motherboard has a digital ground. ...

Your computer motherboard has a digital ground. That is different from its chassis ground. That is different from a wall receptacle safety ground. That is different from a floating ground inside a...
Forum: Main
01-14-2011, 05:45 PM
Replies: 135
Views: 21,029
Posted By westom

Please stop taking any technical post...

Please stop taking any technical post emotionally. Even 100 years ago, surge protector were installed to make direct lightning strikes (and lesser surges) irrelevant.

Plug-in protectors are to...
Forum: Main
01-14-2011, 05:22 PM
Replies: 135
Views: 21,029
Posted By westom

3600 joules means ineffective protection. ...

3600 joules means ineffective protection. Destructive surges are hundreds of thousands of joules. What happens when a grossly undersized protector is on a desktop of papers or on a rug behind some...
Forum: Main
01-14-2011, 05:07 PM
Replies: 135
Views: 21,029
Posted By westom

That information is routine when professionals...

That information is routine when professionals (not hearsay) makes recommendation. What you have asked is stated bluntly by the NIST (US government research agency):
> A very important point to...
Forum: Main
01-14-2011, 03:04 PM
Replies: 135
Views: 21,029
Posted By westom

What are you trying to protect from? A blackout...

What are you trying to protect from? A blackout is zero volts to a 120 volt appliance. Surges are thousands of volts to a 120 volt appliance.

UPS has only one function. To provide temporary...
Forum: Main
01-14-2011, 02:41 PM
Replies: 135
Views: 21,029
Posted By westom

Plug five protectors in a daisy chain (which is...

Plug five protectors in a daisy chain (which is considered a human safety threat). Or plug all five (and the sewing machine) separately into six wall receptacles. You have not (electrically)...
Forum: Main
01-14-2011, 02:31 PM
Replies: 135
Views: 21,029
Posted By westom

Everyone learned about surge protectors in...

Everyone learned about surge protectors in elementary school science. Just did not know it.

Lightning was striking wooden church steeples to connect to earth. Wood being an electrical...
Forum: Main
01-14-2011, 07:03 AM
Replies: 135
Views: 21,029
Posted By westom

Unplugging helps only if you never plug it in. ...

Unplugging helps only if you never plug it in. Meanwhile, if you must unplug anything, then you must unplug everything - stove, clock radios, GFCIs, and the furnace.

Unplugging is recommended...
Forum: Main
01-14-2011, 07:00 AM
Replies: 135
Views: 21,029
Posted By westom

Those are the worst scams. BTW, his engineering...

Those are the worst scams. BTW, his engineering degree is inferior to mine. I have also designed surge protection systems.
APC and Tripplite are successfully selling three dollar power strips with...
Forum: Main
01-14-2011, 06:30 AM
Replies: 135
Views: 21,029
Posted By westom

An expensive protector is the same circuit that...

An expensive protector is the same circuit that sells for $7 in the grocery store. Superior 'whole hosue' protector costs about $1 per protected appliance. Why spend so much more for something that...
Forum: Main
01-14-2011, 06:22 AM
Replies: 135
Views: 21,029
Posted By westom

Now view its number. UPS has many hundreds of...

Now view its number. UPS has many hundreds of joules. A power strip might be a thousand joules. Surges that do damage are hundreds of thousands of joules. IOW near zero. And just enough above...
Forum: Main
01-12-2011, 09:08 PM
Replies: 135
Views: 21,029
Posted By westom

At what point does it finally become obvious. ...

At what point does it finally become obvious. Take a $3 power strip. Add some ten cent protector parts. Sell it for $7 in the grocery store. Or buy a similar protector circuit under a Monster...
Forum: Main
01-12-2011, 01:25 PM
Replies: 135
Views: 21,029
Posted By westom

Then you may have made TV damage easier. An IEEE...

Then you may have made TV damage easier. An IEEE brochure demonstrated this with a picture. A protector too close to a TV and too far from earth ground simply earthed that surge 8000 volts...
Forum: Main
01-12-2011, 12:29 PM
Replies: 135
Views: 21,029
Posted By westom

All electronics work perfectly find even when...

All electronics work perfectly find even when incandescent bulbs dim to less than 50% intensity. I who design electronics must meet that and other standards. We routinely reduce voltages even lower...
Forum: Main
01-12-2011, 12:15 PM
Replies: 135
Views: 21,029
Posted By westom

Well as an electrical engineer who even designed...

Well as an electrical engineer who even designed this stuff, any protector that does not even protect from lightning is scam. We routinely earth direct lightning strikes without damage. Your telco...
Forum: Main
08-04-2010, 11:58 PM
Replies: 70
Views: 8,366
Posted By westom

Those protectors fail - have limited life...

Those protectors fail - have limited life expectancy - because failure gets the naive to recommend it and buy more. If nobody knows a surge existed - ie properly installed protectors - then the...
Forum: Main
08-03-2010, 09:35 PM
Replies: 70
Views: 8,366
Posted By westom

Effective protectors make an always required...

Effective protectors make an always required short (ie 'less than 10 foot') connection to earth. It does not discuss the most critical feature of every protector. It may be the world's best...
Forum: Main
08-03-2010, 09:03 AM
Replies: 70
Views: 8,366
Posted By westom

Things I knew even 50 years ago when I also...

Things I knew even 50 years ago when I also discuss AC wires entering a building unearthed. Homes are earthed for human safety. Earthing for transistor safety means other wires - every wire inside...
Showing results 1 to 25 of 33
 
Page 1 of 2
1
2


 
Forum Jump

FREE Quilting Newsletter