Search: Posts Made By: Sparky31415
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Replies: 19
Views: 1,658
Posted By Sparky31415

I wouldn't worry about matching the transformer...

I wouldn't worry about matching the transformer specs exactly. The purpose of the transformer is simply to impose a varying signal on the output of the voltage regulator. Look for a transformer with...
Forum: Water Heaters
02-24-17, 07:32 PM
Replies: 3
Views: 803
Posted By Sparky31415

That's a good point and I recall reading some IPC...

That's a good point and I recall reading some IPC code sections that basically said that you couldn't discharge into a lav. But that doesn't seem to be in the CPC. And the presence of the air gap...
Forum: Water Heaters
02-24-17, 06:36 PM
Replies: 3
Views: 803
Posted By Sparky31415

Drain options for landlocked water heater

Hi All,

I am considering replacing our existing tank-type water heater with a tankless. The heater is in a hall utility closet and the building is on a slab foundation. There is no floor drain...
01-19-13, 08:25 AM
Replies: 8
Views: 6,080
Posted By Sparky31415

I had a similar issue a few years ago. It turned...

I had a similar issue a few years ago. It turned out that one of the hot legs at the service drop had partially broken due to a tree pushing on it. When the wind blew, it would separate that leg and...
01-19-13, 08:11 AM
Replies: 8
Views: 938
Posted By Sparky31415

From a code perspective I can't see how you were...

From a code perspective I can't see how you were compliant, even if you were only connecting portable equipment, because joining the wires like that creates a flexible cable assembly that isn't...
01-18-13, 10:58 PM
Replies: 8
Views: 938
Posted By Sparky31415

Since your generator was only 1000 watts, I doubt...

Since your generator was only 1000 watts, I doubt that you could have overheated one cable if the other failed. So it wasn't necessarily compliant but you weren't at any great risk from fire. The...
01-18-13, 06:58 PM
Replies: 14
Views: 10,559
Posted By Sparky31415

If the 15A wires are the ungrounded conductors on...

If the 15A wires are the ungrounded conductors on a multiwire circuit (e.g. the red and black wires on a 14-3 cable), then you can replace the 30A breaker with a double pole 15A breaker (both poles...
01-18-13, 06:29 PM
Replies: 5
Views: 1,362
Posted By Sparky31415

I'd be interested to hear what some of the master...

I'd be interested to hear what some of the master electricians here say but looking at the California code, you aren't required to put a GFCI in a laundry room. You are required to protect all...
Replies: 13
Views: 16,577
Posted By Sparky31415

You wouldn't have to use a wrist strap. You could...

You wouldn't have to use a wrist strap. You could just take an 18 gauge stranded wire (so its easily flexible) and crimp on a spade connector. Then you can attach the wire to the center screw on the...
01-16-13, 06:56 AM
Replies: 4
Views: 1,204
Posted By Sparky31415

NMB wiring should have a PVC sheath. Looking at...

NMB wiring should have a PVC sheath. Looking at the MSDS for several of the white pigmented shellacs, the primary solvents are ethanol and propyl alcohol. PVC has very good resistance to both of...
Replies: 13
Views: 16,577
Posted By Sparky31415

Provided the fan is properly grounded, you can...

Provided the fan is properly grounded, you can use the fan casing or chain to ground yourself. If I'm particularly concerned about grounding myself, I will touch the faceplate screws on a grounded...
01-16-13, 06:19 AM
Replies: 1
Views: 727
Posted By Sparky31415

You can use the adapter with the higher amp...

You can use the adapter with the higher amp rating (1250 mA). The rating is only what the adapter is capable of supplying, not what it would force the modem to use.

You can't use the lower rated...
Replies: 2
Views: 792
Posted By Sparky31415

You can't safely charge an NiMH or Li ion battery...

You can't safely charge an NiMH or Li ion battery directly from a wall charger. If I was desperate, I might use the chargers to make the drill into a corded drill. I'd also be prepared for things to...
Replies: 17
Views: 2,084
Posted By Sparky31415

My understanding is that the valve will shut off...

My understanding is that the valve will shut off if flow is lost to either inlet port.
Replies: 5
Views: 4,511
Posted By Sparky31415

Next time you find yourself with an empty tank,...

Next time you find yourself with an empty tank, can you get out there with a multimeter and start checking the circuit? You should be able to determine if the limit switch is closed, whether or not...
Replies: 18
Views: 49,199
Posted By Sparky31415

We've had a top loading HE washer for about a...

We've had a top loading HE washer for about a year and it cleans great. I don't worry about over loading it. I do use a liquid HE soap and I also use the soap dispenser rather than dumping the soap...
01-13-13, 10:38 PM
Replies: 10
Views: 16,953
Posted By Sparky31415

Solid wood corbels often come with mounting...

Solid wood corbels often come with mounting brackets/slots that hang on a couple of screw heads coming from the wall. Some designs may also have a recess cut out for a metal bracket that goes on...
01-13-13, 09:02 AM
Replies: 10
Views: 16,953
Posted By Sparky31415

Here is a good industry document summarizing...

Here is a good industry document summarizing recommendations from the Marble Institute

http://www.marble-institute.com/pdfs/homeownersconsumer_countertop.pdf

In short, you can have up to 10" of...
Replies: 5
Views: 2,137
Posted By Sparky31415

If you do open up the microwave, be aware that...

If you do open up the microwave, be aware that the high voltage capacitors will hold their charge for a very long time and have more than enough power to kill a person. Make sure that you can safely...
01-12-13, 11:26 PM
Replies: 8
Views: 18,964
Posted By Sparky31415

You can't test the battery with only a multimeter...

You can't test the battery with only a multimeter but it's not that hard to test the battery if you have a properly sized resistor. For your 3.7 V battery, a 20 ohm resistor rated at 1 watt would let...
01-12-13, 10:33 PM
Replies: 10
Views: 16,953
Posted By Sparky31415

None of the corbels I've found at Home Depot ever...

None of the corbels I've found at Home Depot ever looked capable of actually supporting any weight. They do have some decorative metl shelf brackets that would probably give you enough support for...
01-12-13, 10:10 PM
Replies: 17
Views: 29,282
Posted By Sparky31415

If you have a big box store cut and thread your...

If you have a big box store cut and thread your pipe,mi would recommend you try threading on a fitting right there in the store to make sure the thread is cut properly.
01-12-13, 09:50 PM
Replies: 29
Views: 2,795
Posted By Sparky31415

Rather than trying to build a boost converter,...

Rather than trying to build a boost converter, I'd recommend looking for a very low dropout regulator like http://www.onsemi.com/pub_link/Collateral/NCP57152-D.PDF
Data sheets will generally have...
Replies: 5
Views: 2,137
Posted By Sparky31415

There are no user serviceable parts in a...

There are no user serviceable parts in a microwave. The hum could very well be a transformer coil that is starting to short out.
Replies: 4
Views: 754
Posted By Sparky31415

I always wonder whether the mechanics at these...

I always wonder whether the mechanics at these places test the battery properly. I've seen some guys measure the OC voltage after recharging and declare the battery to be fine.
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