Recent content by westom

Protect from what? The word 'protect' can be a list of maybe 40 different anomalies. Nothing protects from all. GFCI's purpose is to protect human life. Especially important when receptacles only have two wire cables and when an appliance is not double insulated (ie has a three prong plug).

Does not matter what is observed. APC can only report some defects. And can never report good wiring. This example demonstrates why junk science reasoning is widespread. If it is not bad, then it must be good? Not for one minute. APC only says it does not see a bad condition ... on a...

Protect from what? A UPS protects unsaved data from destruction by a blackout. Yes it will do that even if a major human safety defect exists. UPS does not claim to protect hardware. UPS does not claim to protect human life. That email reply would be from a sales droid - not from an...

It was stated in the first sentence in the first paragraph in my previous post. Do not ignore what you did not grasp. Again, 1) an outlet tester cannot say anything is good. It can only report some types of failures. 2) Your box cannot be grounded if the incoming cable has only two wires...

First appreciate a fundamental concept. Neither that outlet tester nor power strip can report a receptacle properly wired. Each can only report a defect. Do not let one reporting something (apparently) good cause you confusion. If either reports a failure, than a defect exists - without...