Search: Posts Made By: madpenguin
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03-29-09, 12:16 PM
Replies: 3
Views: 900
Posted By madpenguin

Converting tandems into 240v

I realize this isn't legal per se' but thought I'd ask for additional input from you guys.

I'm completely out of space in my panel. In fact, I already have several tandems installed right now. I...
03-27-09, 12:17 PM
Replies: 16
Views: 39,593
Posted By madpenguin

Yea. I snip them off too. Guess I just don't like...

Yea. I snip them off too. Guess I just don't like the idea of quick connects. I assume they are still spring loaded to some extent and what happens 10 years down the road when they start to wear out...
02-28-09, 08:31 PM
Replies: 18
Views: 1,245
Posted By madpenguin

wirenut.... That's just nonsense. Any monkey...

wirenut.... That's just nonsense. Any monkey knows you don't put tenant branch circuits on a house panel. That's just plain negligence on the EC's part. They got got lazy and sloppy and did it on...
02-27-09, 10:27 AM
Replies: 18
Views: 1,245
Posted By madpenguin

Well... Give them a chance to fix it. If they...

Well... Give them a chance to fix it. If they refuse, then I suppose your only other recourse is to hire another electrician to make everything right and then try to take the original contractor to...
02-27-09, 09:37 AM
Replies: 10
Views: 2,778
Posted By madpenguin

Fair enough. But... $97 for 100' of 6/2 and...

Fair enough. But...

$97 for 100' of 6/2 and $125 for 100' of 6/3 online. I'm sure the price diff is comparable at your local electric house. Someone down the road is going to wish the extra $28...
02-27-09, 09:18 AM
Replies: 18
Views: 1,245
Posted By madpenguin

Not sure I understand. If the original contractor...

Not sure I understand. If the original contractor screwed up then he needs to come back out and do things as to how they were agreed upon. He eats that money, not you.

This should have been...
02-27-09, 06:29 AM
Replies: 10
Views: 2,778
Posted By madpenguin

Personally I think this is a bad idea all around....

Personally I think this is a bad idea all around. I find it hard to believe that no neutral is required in a panel but ibpooks usually knows his stuff so.... ;)

Still a BAD idea. Someone will come...
02-27-09, 06:13 AM
Replies: 5
Views: 1,122
Posted By madpenguin

Slight clarification; Tape both white wires red...

Slight clarification; Tape both white wires red in the thermostat box. 240v so no neutral. Your electrician should have done the same thing with the white wires everywhere but a lot of times they...
02-21-09, 06:08 PM
Replies: 5
Views: 961
Posted By madpenguin

Yea. Sounds like your talking about a 1500W...

Yea. Sounds like your talking about a 1500W dimmer. They should still be around but are crazy expensive. I'd take the faceplate off and check to see if any of the heatsink tabs have been removed as...
02-20-09, 07:13 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Well, I thought I was done with the questions but...

Well, I thought I was done with the questions but I was revisiting Marc's post.

Is it really OK to just look at the 3 pole breaker in the service panel to find out the AIC? Aren't you supposed to...
02-20-09, 06:34 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Notice I said "almost". And I emphasize the word...

Notice I said "almost". And I emphasize the word almost... ;) Were I to win the lottery, then I'll take you up on your offer.... :) I'll even bring a couple cases of sauce.
02-20-09, 05:06 PM
Replies: 20
Views: 1,658
Posted By madpenguin

There's no thinking about it... If you can do...

There's no thinking about it... If you can do this stuff all day in the field and then hit the forums and do it some more, you must be addicted... :D

I'm the same way. What a great career. It's...
02-20-09, 04:42 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Oh... I briefly thought about that. Your talking...

Oh... I briefly thought about that. Your talking a #8 from the sub ground bar straight to the end of the RMC? And leave the FMC? Can the jumper be exposed like that for a few feet outside the panel?...
02-20-09, 02:55 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Thanks wirenut and furd.... It all makes a lot...

Thanks wirenut and furd.... It all makes a lot more sense now. Nothing but SP's (some tandems) and one DP in the sub.

It is rigid the whole way except for the last 3 feet to the sub. Then it turns...
02-19-09, 09:02 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Thanks wirenut for the info. Could you possibly...

Thanks wirenut for the info. Could you possibly clarify a little on this? The proposal is to be a panel replacement, not an add on panel.

Why would you need to leave the existing panel alone?
...
02-19-09, 08:39 PM
Replies: 20
Views: 1,658
Posted By madpenguin

Thanks Marc. It is run in rigid. Been doing...

Thanks Marc. It is run in rigid. Been doing residential too long. I forget about grounding with conduit... ;)

I'm just helping on this job (for obvious reasons). Probably won't do much but stand...
02-19-09, 05:59 PM
Replies: 20
Views: 1,658
Posted By madpenguin

120/208Y load center grounding

Had a quick question. If your not doing a service upgrade but just swapping out a subpanel in a 120/208 wye, do you need to have a separate grounding conductor along with your grounded conductor?
...
12-22-08, 01:00 AM
Replies: 20
Views: 2,320
Posted By madpenguin

And you could use USE-2 or XLP if I'm not...

And you could use USE-2 or XLP if I'm not mistaken. Pretty sure you can bring USE-2 indoors to transition instead of doing it outside. XLP I'd say would have to stay outdoors.

Some others will be...
12-22-08, 12:48 AM
Replies: 20
Views: 2,320
Posted By madpenguin

Your right. Thats volts, not percent. So 2/0...

Your right. Thats volts, not percent.

So 2/0 would be 1.85% voltage drop.
1/0 would be 2.3%

That being the case, no reason not to use 1/0
12-22-08, 12:14 AM
Replies: 20
Views: 2,320
Posted By madpenguin

Looks like if your below 1000 feet elevation in...

Looks like if your below 1000 feet elevation in king county, 12" is the frost line, otherwise, you need to call.

Here in central Ohio, it's 36". Further north, it's 48"....

Sounds like 2 feet...
12-21-08, 11:54 PM
Replies: 20
Views: 2,320
Posted By madpenguin

Hmm. Who knew. ;) Not me. I'd still bury it...

Hmm. Who knew. ;) Not me. I'd still bury it atleast 3 feet. Electric at 2 feet.

Ofcourse, your local jurisdiction will have the final say as to depth. I seriously doubt it's 6 inches. That makes...
12-21-08, 11:45 PM
Replies: 20
Views: 2,320
Posted By madpenguin

Minimum size AL cable for 100A is 1/0.... However...

Minimum size AL cable for 100A is 1/0.... However running 1/0 will give you 5.6% voltage drop which is a tad high.

2/0 AL will give you 4.45% voltage drop
3/0 AL will give you 3.53% voltage drop...
12-21-08, 11:30 PM
Replies: 5
Views: 8,787
Posted By madpenguin

If it's a cold air return, you can go straight...

If it's a cold air return, you can go straight thru it, otherwise, take the long way around. If it means using an extra 30 feet of wire or more then them's the breaks.
12-20-08, 05:32 PM
Replies: 12
Views: 3,364
Posted By madpenguin

APC still makes the smart UPS. Did I read on that...

APC still makes the smart UPS. Did I read on that link where guy said they were discontinued?

Newegg.com - APC, UPS, Power Protection...
12-16-08, 06:09 PM
Replies: 9
Views: 10,678
Posted By madpenguin

Also, I don't work with alot of metal framing but...

Also, I don't work with alot of metal framing but I'm almost positive anything you run inside the outbuilding is going to need to be metal boxes and emt conduit. With steel structures, everything...
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