Search: Posts Made By: Esand1
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Replies: 2
Views: 148
Posted By Esand1

Kitchen exahust fan placement.

Assuming both were equal in simplicity and cost, is it better to put the blower for kitchen exhaust fan at the beginning of the duct work (in the hood) or at the end (on the roof)? Long run, 2 45Deg...
03-29-20, 09:19 PM
Replies: 10
Views: 337
Posted By Esand1

Wow, telecom guy, Iím not sure what to say other...

Wow, telecom guy, Iím not sure what to say other than you are a very smart man.

this video seems pretty conclusive. But why is it that the multimeter seems to defy what we see with our own...
03-29-20, 09:09 PM
Replies: 10
Views: 337
Posted By Esand1

Here is why I ended up measuring the voltage. ...

Here is why I ended up measuring the voltage. the powerstrip had a 15a rating and would trip every time I plugged in an instant pot (1100w), so today I excised the breaker switch from the power...
03-29-20, 09:01 PM
Replies: 10
Views: 337
Posted By Esand1

GregH, yes it is 50hz here, I had understood that...

GregH, yes it is 50hz here, I had understood that that would just mean that the motor spun at 5/6ths itís normal speed.
03-29-20, 02:38 PM
Replies: 10
Views: 337
Posted By Esand1

Massive voltage spikes with transformer

So I have a 220-110 (in reality 230-115, but people call it that) step down transformer that is supposedly rated for 2kw. Itís a massive mechanical transformer, not one of those electronic ones.
...
Replies: 2
Views: 276
Posted By Esand1

Concrete block cure time.

Today I poured concrete into 2 forms with rebar hooks that will anchor some chains to the ground, the chains will exert almost no load on the concrete. How long should I wait for them to cure before...
02-01-20, 10:19 PM
Replies: 5
Views: 245
Posted By Esand1

Thanks for the help you guys. Got it set up...

Thanks for the help you guys. Got it set up behind a cabinet.
...
01-29-20, 10:52 AM
Replies: 8
Views: 382
Posted By Esand1

It has always done this, just now getting around...

It has always done this, just now getting around to take a look at it. Pipes are probably close together, near the sink but arenít touching and also mortared into the walls which you would think...
01-29-20, 10:43 AM
Replies: 5
Views: 245
Posted By Esand1

I already have the power strip and I bought it in...

I already have the power strip and I bought it in the US. Itís not easy for me to get one abroad. It should never have more than 1500w plugged in in theory but just in case, Iíd like to get some...
01-29-20, 09:32 AM
Replies: 5
Views: 245
Posted By Esand1

What kind of fuse do I need for transformer.

I recently bought a 2kw 220-110 step down transformer which Iím going to place behind a cabinet and connect to a power strip featuring US plugs (to prevent 220 appliances from getting accidentally...
01-29-20, 09:14 AM
Replies: 8
Views: 382
Posted By Esand1

Just shut off every hot water valve connected to...

Just shut off every hot water valve connected to this water heater. Will wait a while and see if hot water still comes out of kitchen faucet.
01-29-20, 07:12 AM
Replies: 8
Views: 382
Posted By Esand1

Hot water coming out of cold taps in kitchen.

So when I open the faucet in the kitchen on the cold side in the kitchen I get scalding hot water (the same temp as the hot water) for about 3 seconds before the water runs cold. I shut off the hot...
11-19-19, 10:18 AM
Replies: 2
Views: 243
Posted By Esand1

Standard height of the ground to hang a control panel?

I have a panel which features various indicator lights and switches on the outer door, is there a standard height off the ground to put it?
11-14-19, 06:04 PM
Replies: 8
Views: 297
Posted By Esand1

Ok, I feel dumb, but problem solved. that...

Ok, I feel dumb, but problem solved.

that button I was pushing in the video? Not the test button! Thatís the reset button. Once I found the actual test button (small transparent sliding switch on...
11-14-19, 12:37 PM
Replies: 8
Views: 297
Posted By Esand1

Telecomguy, In the link you posted looks...

Telecomguy,

In the link you posted looks like the push button control is wired through the contactor not the overload that is not the setup Iím using. In the picture (not the schematic) on that...
11-14-19, 09:44 AM
Replies: 8
Views: 297
Posted By Esand1

A video might be easier to follow than my amateur...

A video might be easier to follow than my amateur wiring design .

in the video I first press the test button to show that that does indeed interrupt the circuit but doesnít light the lamps or...
11-13-19, 07:55 PM
Replies: 8
Views: 297
Posted By Esand1

Motor protection relay testing.

So I have a motor protection relay which has 2 pairs of contacts, a normally open pair and a normally closed. When it trips I want the NC switch to open and cut the power and the NO switch to close...
10-19-19, 09:02 AM
Replies: 9
Views: 363
Posted By Esand1

4 pumps 4 tanks but 2 pumps are alternated to...

4 pumps 4 tanks but 2 pumps are alternated to move from one of the tanks to the another while the last two tanks have one pump each which empty to street and sewer.

Tank 1, sewage. Pump driven by...
10-19-19, 07:40 AM
Replies: 9
Views: 363
Posted By Esand1

So Joed's mention of relay's made me think, Is...

So Joed's mention of relay's made me think, Is there any way I could get away with one or two? They have 4PDT relays that aren't that big but I'm not sure how I could use the 4 poles to help.
...
10-18-19, 08:28 PM
Replies: 9
Views: 363
Posted By Esand1

Here is a partial drawing of the plan, note I...

Here is a partial drawing of the plan, note I don't actually know the correct electrical symbols so I did the best I could. I think everything is correct except for the lights and buzzer alarms. It...
10-18-19, 08:22 PM
Replies: 9
Views: 363
Posted By Esand1

4 pumps, 1 automatic, 3 controlled by contactors...

4 pumps, 1 automatic, 3 controlled by contactors and level control relays. The level control relays are simple NO switches which sends power to the NC contacts on the overload relay which in turn is...
10-17-19, 09:59 AM
Replies: 9
Views: 363
Posted By Esand1

One buzzer for multiple faults.

So I was drawing a schematic for the panel Iím putting together for some pumps.

i have 3 pumps and two overflow float switches and id like a failure on any of the pumps OR a connection on either...
10-08-19, 10:55 AM
Replies: 2
Views: 310
Posted By Esand1

Is there a reason to use a non fused disconnect vs a circuit breaker

So Iím modifying a motor control panel to accommodate a new pump and the way the panel was put together it has a shut off switch like this:

https://media.rs-online.com/t_large/F6867275-01.jpg
...
10-02-19, 10:30 AM
Replies: 13
Views: 485
Posted By Esand1

Iím going to add it to this panel, (I know it...

Iím going to add it to this panel, (I know it looks like a bit of a squeeze but I think if flip the transformer sideways itíll work)

the transformer is currently fused with 4A fuses on both the...
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