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Showing results 1 to 25 of 32
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Search: Posts Made By: westom
Forum: Apple Desktops 10-03-2014, 01:44 PM
Replies: 38
Views: 1,235
Posted By westom
Classic example of a defective power supply that...

Classic example of a defective power supply that will probably get worse with age. Trick is defined in the show CSI. Follow the evidence. Use a meter to identify a defective supply. Or to know,...
Forum: Apple Desktops 10-03-2014, 01:09 AM
Replies: 38
Views: 1,235
Posted By westom
Normal is for a defective supply to still boot...

Normal is for a defective supply to still boot and run a computer. Then as a supply gets worse, that computer eventually becomes intermittent or troublesome.

That defective supply could have been...
Forum: Apple Notebooks 08-29-2014, 05:09 PM
Replies: 18
Views: 887
Posted By westom
A TV cable (as even required by code) drops down...

A TV cable (as even required by code) drops down at the service entrance. A hardwire (maybe 10 or 12 AWG) connecct from a TV coax cable to an earth ground electrode. How effective? Protection...
Forum: Apple Notebooks 08-28-2014, 11:05 PM
Replies: 18
Views: 887
Posted By westom
4320 joules means it absorbs 1440 joules and not...

4320 joules means it absorbs 1440 joules and not more than 2880 joules. How does that protect from destructive surges that are hundreds of thousands of joules? Why post numbers that you ignore? If...
Forum: Apple Notebooks 08-28-2014, 08:11 AM
Replies: 18
Views: 887
Posted By westom
A UPS has only one function. Temporary and...

A UPS has only one function. Temporary and 'dirty' power so that when power is lost you don't lose any data.

Even power strips only claim near zero protection. A valid recommendation says where...
Forum: Apple Notebooks 08-23-2014, 01:47 PM
Replies: 18
Views: 887
Posted By westom
Why get something that often does less protection...

Why get something that often does less protection than what is already inside electronics? Again, "a completely different device (unfortunately also called a surge protector) is for surges that are...
Forum: Apple Notebooks 08-22-2014, 09:04 AM
Replies: 18
Views: 887
Posted By westom
For over 100 years, protection from direct hits...

For over 100 years, protection from direct hits has been routine. But never with that considered power strip or UPS. Those only claim to protect from a type of surge already made irrelevant by...
Forum: Switcher Hangout 07-25-2013, 10:01 AM
Replies: 22
Views: 1,199
Posted By westom
What computer is outputting more heat than...

What computer is outputting more heat than multiple bread toasters? Unfortunately most IT people have no idea how electricity works. You had a surge. That is not insufficient current tripping...
Forum: Internet, Networking, and Wireless 06-28-2013, 10:16 AM
Replies: 3
Views: 705
Posted By westom
Due to ineffective protection, your only...

Due to ineffective protection, your only alternative is to replace damaged boxes. However learn why you had damage and that damage was easily averted.

First understand how lightning does...
Forum: OS X - Operating System 08-23-2012, 08:20 AM
Replies: 7
Views: 965
Posted By westom
View the numbers. That near zero protection is...

View the numbers. That near zero protection is sufficient to claim 100% protection ... subjectively.

View the fine print. So many exemptions. They need not honor your claim. Why would they? ...
Forum: Apple Desktops 07-11-2012, 09:27 PM
Replies: 28
Views: 4,602
Posted By westom
A power controller contains a protective lockout...

A power controller contains a protective lockout function that might have tripped on that anomaly. This lock out is reset by unplugging long enough for any 'computer off but LED still lit' light to...
Forum: Apple Desktops 07-11-2012, 07:37 PM
Replies: 28
Views: 4,602
Posted By westom
But again, the protector may have simply made...

But again, the protector may have simply made surge damage easier. Or may be completely irrelevant. You also posted no hard facts with numbers. Therefore those with the most computer knowledge...
Forum: Apple Desktops 07-10-2012, 05:25 PM
Replies: 28
Views: 4,602
Posted By westom
I could state exactly what was defective IF you...

I could state exactly what was defective IF you had posted important numbers. Apparently your power system has failed. The power system is many components - not just a supply. One minute with a $7...
Forum: Apple Desktops 06-24-2012, 09:17 AM
Replies: 4
Views: 813
Posted By westom
Read the specification numbers for a UPS. ...

Read the specification numbers for a UPS. Protection is typically smaller than what a $7 protector from Wal-Mart claims to do. Most recommend the UPS for subjective reasons. Subjective reasoning...
Forum: Other Hardware and Peripherals 05-28-2012, 10:31 PM
Replies: 16
Views: 1,283
Posted By westom
The pops are no more destructive than strong...

The pops are no more destructive than strong music. It just sounds bad; making you feel it is harmful.

A pop is noise. Generally many RFI/EMC/EMI engineers are bald. Its not an accident. ...
Forum: Other Hardware and Peripherals 05-27-2012, 10:41 PM
Replies: 16
Views: 1,283
Posted By westom
Printer has a relevant number where the power...

Printer has a relevant number where the power cord connects. That would be its power supply (or power brick). It is probably rated at 70 watts. The Mac would also have specifications elsewhere...
Forum: Other Hardware and Peripherals 05-24-2012, 12:58 PM
Replies: 16
Views: 1,283
Posted By westom
So what were the watts, VA, or amps for each...

So what were the watts, VA, or amps for each unit? So that a UPS parameter can be recommended.
Forum: Other Hardware and Peripherals 05-24-2012, 10:49 AM
Replies: 16
Views: 1,283
Posted By westom
You asked for, "but super clean, constant power...

You asked for, "but super clean, constant power is my aim." That does not exist on any typical UPS. But it does exist when advertising or other subjective claims become knowledge.

A typical UPS...
Forum: Other Hardware and Peripherals 05-22-2012, 11:15 PM
Replies: 16
Views: 1,283
Posted By westom
Monster sold speaker wire with ends labeled "amp"...

Monster sold speaker wire with ends labeled "amp" and "speaker". Many said they could hear the difference when those wires were reversed. So Monster sold $7 speaker wire for $70. And many...
Forum: Other Hardware and Peripherals 05-21-2012, 11:53 AM
Replies: 16
Views: 1,283
Posted By westom
Show me any number from the "box" that says it...

Show me any number from the "box" that says it provides clean or balanced power? 'Dirtiest' power seen in a house comes from a UPS in battery backup mode. 'Cleanest' output is when it connects...
Forum: Apple Notebooks 11-24-2011, 01:31 PM
Replies: 4
Views: 4,946
Posted By westom
First learn that a protector and protection are...

First learn that a protector and protection are two different items. A protector only connects to protection. Protection is where hundreds of thousands of joules dissipate.

Some systems...
Forum: Schweb's Lounge 07-19-2011, 08:32 PM
Replies: 22
Views: 2,467
Posted By westom
To pass the A+ Certified Computer tech exam, a...

To pass the A+ Certified Computer tech exam, a tech needs no electrical knowledge. A consumer magazine demonstrated the problem last year. They created minor problems. Most all problems were not...
Forum: Schweb's Lounge 07-12-2011, 07:12 PM
Replies: 22
Views: 2,467
Posted By westom
Duke only installed a protector. A protector is...

Duke only installed a protector. A protector is not protection. I don't know how to make this more obvious.

Many if not most utility installed 'whole house' protectors are installed by a girl...
Forum: Schweb's Lounge 07-12-2011, 06:52 PM
Replies: 22
Views: 2,467
Posted By westom
Always interesting is to learn what was a...

Always interesting is to learn what was a destructive current path through the computer. Try to ask the Apple tech was specifically was damaged. To learn what probably was the incoming and outgoing...
Forum: Schweb's Lounge 07-12-2011, 01:04 PM
Replies: 22
Views: 2,467
Posted By westom
Not necessarily. A surge itself is not the...

Not necessarily. A surge itself is not the source of high energy. If a surge is not earthed before entering a building, then it can form new and destructive electrical conductors - plasma paths. ...
Showing results 1 to 25 of 32

 
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