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1answer
14 views

Proper way to test AC voltage for dishwasher hookup

I am trying to connect my new dishwasher to the electrical cable coming up into my kitchen from down in the basement. This (white) cable actually houses 3 smaller wires inside of it: A white wire ...
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1answer
28 views

Is there a way to measure the output of a single HVAC vent?

As inspired by this previous question, is there a method or device used to measure the output of a single HVAC vent or the output of a single room? I'm imagining some sort of hood device that could ...
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2answers
74 views

How to test existing ethernet cable outlets?

I moved into this 15 year old house about a year ago and there's a RJ45 wall jack in my office (2nd floor) and there's another one in the living room near TV. I'd assume there's planned in for TV to ...
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0answers
42 views

How can I check if my boiler room thermostat is working?

I have an old Honeywell basic thermostat and I am not sure if it's working properly or not. I doubt it because the boiler stops burning after some time even when I set 30 °C on the thermostat and ...
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2answers
166 views

Testing wire with low voltage current

What is a convenient and safe way to send some low voltage current through wire for testing and identifying purposes? E.g. awhile ago, I wired a two speaker setup behind drywall with one input box ...
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3answers
177 views

Safe and low-liability way to determine whether a circuit draws more current than allowed?

When I saw several electricians commenting on not knowing of a tool which tests peak current draw from an outlet in this question: "Is the Electrician trying to scam me?", it made me wonder: Is there ...
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0answers
47 views

Air Admittance Valve Testing Equipment For Inspection

I have an Oatey air admittance valve (AAV) installed in my home as part of an improvement project. Today the inspector came and said that the AAV would have to be tested with an air admittance valve ...
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0answers
42 views

Air testing for new plumbing in addition?

I have inspection in a few days for my new plumbing (3" SCH 40), 1 1/2" Drain lines. Inspector told me I am responsible for the test plugs, air guage and the whole set up. Im looking to set this up ...
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1answer
2k views

How do I verify that a 240v outlet is wired properly?

I recently had a dryer installed and it powered on, but wouldn't run. I was able to verify the voltage at 240v using a multimeter, but I'm not convinced that the outlet was wired properly. They are ...
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2answers
2k views

How can I determine if CAT5 cable is wired for data or phone?

We just moved into a home that has a renovated basement and all of the receptacles have two CAT5 wires pulled to them (one for telephone and one for data) but none of the wires are labeled or ...
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1answer
42 views

where can I send a backyard soil sample for lead testing?

Does anyone have links for a lead soil testing lab? I live in Oakland California in an old house that certainly had/has lead paint. I'm concerned about possible lead levels in the backyard soil. ...
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0answers
42 views

Pressure Testing plumbing - pressure drop over night

I'm pressure testing some PEX before I close in the walls. I pumped in 80psi of air around noon yesterday and it was about 60 degrees F. Was a solid 80psi from when i filled to to 11pm (11 hours). ...
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2answers
147 views

Testing and proper breakers for a multi wire branch circuit?

How do you determine if an outlet is part of a unidentified multi-wire branch circuit? Also, does code say MWBCs need to be on double throw circuit breakers and is it permissible to link CBs with that ...
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2answers
192 views

How do I stress test a roof for leaks?

I am about to have some ceiling work done on my house that has previously had roof leaks. I would like to be sure that the repairs to the roof are successful. How would I go about stress testing the ...
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4answers
452 views

Tracing elctrical outlets that suddenly stopped working.

Last fall an outdoor outlet and an outlet in my garage worked just fine. However this spring neither of them work. Any thoughts on how I can go about researching or identifying the problem? I ...
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2answers
78 views

How to test for mold in basement?

The air quality in my basement is unpleasant. I don't know if I have mold. How to test for it? How is the smell of mold? I know that we had a water problem in the basement, the walls were cracked so ...
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2answers
375 views

How can I trace the exhaust duct of my bathroom fan?

I have a suspicion that my bathroom isn't venting correctly. I'm thinking smoke would be an easy way to test this, but I don't know of a safe and cheap way to make it. Any ideas?
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1answer
483 views

How to test if a dishwasher's below the floor heating element is faulty?

My dishwasher uses a Bauknecht 2040W heating element: Can you test if it's faulty using a continuity test? If so, is the continuity test between: ground and the positive, ground and the ...
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2answers
817 views

How do I test a 5V doorbell transformer?

In this post, both the OP and responder discuss testing a transformer. I'd like to know exactly how the user tested the transformer. I have a 5V doorbell transformer which I would like to test. Is an ...
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1answer
78 views

Testing generator output

I'm having trouble getting a 6kw generator to power a sub panel that was installed by a licensed electrician. I would like to be able to test the generator's output. How do I do that?
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5answers
1k views

What is a good tutorial on the use of a multimeter?

I am ashamed to admit, that despite my many electrical (mis?)adventures.. I have no idea how to use a multimeter. I have installed automobile sound systems, central air air-conditioners, and every ...
2
votes
1answer
230 views

What is wrong with this GFCI outlet?

I have a GFCI outlet which is testing wierdly. On one of the plugs, one prong tests hot and the other does not (using a Voltaware). On the other plug, both prongs test hot. The other outlets on the ...
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1answer
12k views

How can I test network and coax jacks?

We bought new house and I need to test network (RJ45) and coax jacks to see which ones are working. How can I do that without actually connecting computers/cable boxes?
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2answers
14k views

How should I test my home's humidity?

We have recently replaced the windows in our home and insulated the basement, making the house much more airtight. This combined with the fact that our dryer currently vents into the basement, we ...
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1answer
138 views

What DIY tests are available for the quality of stainless steel?

How can I test a stainless steel product such as a sink to see if it is truly 18g?
2
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1answer
231 views

What is the proper way to patch acoustic ceiling after collecting possible asbestos sample?

I want to collect additional samples of an acoustic ceiling for the purpose of having it checked for asbestos. The previous test came back negative but I'm paranoid =) The procedure as per ...
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2answers
2k views

Cable Signal Testers

I'm looking for tools that can help me test the signal coming into my house from my cable provider. I am currently having issues with a Leviton CATV Relay which I'll replace, but I've been having ...
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7answers
3k views

Is there a good way to test water quality in your house?

What are the best ways to test for water quality in your house? The water is from a well, not town water. Are there any products that can continuously test the water coming in (versus manually ...
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2answers
2k views

Is there a cheap way to test for mold spores?

We had toxic mold during the wintertime, which has been removed, by replacing the affected Sheetrock. However, my wife has often still the same symptoms she had at the time. Getting a contractor with ...