Search: Posts Made By: Jeffc3497
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12-31-16, 06:02 PM
Replies: 9
Views: 541
Posted By Jeffc3497

It's been raining all day and so I've passed on...

It's been raining all day and so I've passed on pulling the dead panel to take another look. After looking at installation photos online I think Zorfdt and Tolyn have it exactly right, the two bonds...
12-31-16, 10:51 AM
Replies: 9
Views: 541
Posted By Jeffc3497

I'll try and get one and post it later today. ...

I'll try and get one and post it later today. The cabinet is outside and it's been raining this morning.
12-31-16, 10:19 AM
Replies: 9
Views: 541
Posted By Jeffc3497

Understood, and thanks for replying. I might not...

Understood, and thanks for replying. I might not have been clear, the neutral is bonded to the cabinet in two different locations over a foot apart. It's not going to ground I'm concerned about but...
12-31-16, 09:14 AM
Replies: 9
Views: 541
Posted By Jeffc3497

60 Hz hum and neutral bonding

My service panel emits a barely audible continuous 60 Hz hum, that seems pretty common and I donít think that in and of itself is a problem. I noticed that when there is a higher unbalanced load...
06-06-15, 09:17 AM
Replies: 5
Views: 3,338
Posted By Jeffc3497

Just noticed this thread and have a quick...

Just noticed this thread and have a quick question as I have the same situation for six circuits in my panel (three shared neutrals). I understand that there needs to be 220 volts between the two...
06-05-15, 06:02 PM
Replies: 5
Views: 3,970
Posted By Jeffc3497

Thanks for the responses. I've discussed this...

Thanks for the responses. I've discussed this with the local inspector anonymously over the phone but wanted to give the plan a sanity check before I met with them and filed. I appreciate the help....
06-04-15, 10:50 PM
Replies: 5
Views: 3,970
Posted By Jeffc3497

Retrofitting an existing service panel

I posted several months back with some question regarding load calculations to add a circuit for a portable spa. The unfortunate result of that exercise was that I realized I had a Zinsco panel. ...
01-08-15, 09:17 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Ok, thanks, I didn't know that. On the plus...

Ok, thanks, I didn't know that. On the plus side, google tells me the ampacity is 40-50% higher when directly buried so maybe there is still something that can be done without changing the lateral....
01-08-15, 08:43 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Thanks for the comments guys, I appreciate the...

Thanks for the comments guys, I appreciate the info. It's definitely a pad mounted transformer located in the front corner of my lot. The meter/service panel is about 30 feet distant. The service...
01-07-15, 09:51 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

I had a longer response but somehow lost it. ...

I had a longer response but somehow lost it. I'll make it short:

Here's a photo from online that is exactly like my panel, it's definitely a Zinsco:
...
01-07-15, 08:59 AM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Well I think I'm going to have to upgrade the...

Well I think I'm going to have to upgrade the panel after all, the existing panel looks like its a Zinsco. I didn't see a label anywhere but it's got the characteristic multicolor breakers Zinsco...
01-06-15, 08:39 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Thanks everyone for all the comments. I think I...

Thanks everyone for all the comments. I think I may have found my loophole (alternative might be more accurate). I used the standard calculation method in the comment above. There is also an...
01-05-15, 08:49 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

I did some googling and it looks like I should...

I did some googling and it looks like I should use the AC condenser minimum circuit ampacity rather than the RLA. It also looks like the hot tub should be included under permanently connected...
01-05-15, 05:35 PM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Thanks for all the responses. I'm at work so...

Thanks for all the responses. I'm at work so briefly, I used the NEC method for the load calcs but was unsure regarding exactly which value to use from the AC compressor nameplate. It includes both...
01-05-15, 09:17 AM
Replies: 30
Views: 2,916
Posted By Jeffc3497

Hot tub wiring and load demand questions

Iím installing a hot tub in my backyard about 100 feet for the service panel, 60 feet from the rear of the house. My backyard slopes uphill, the spa will be located 25 feet higher in elevation than...
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