two residential panels, one for 120, one for 240 v circuits ?

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6 or 1/2 dozen! As previously stated the buss is rated all the way from one end to the other. I've never encountered this problem with breaker location in a panel. My experience with this has always been outside the panel, not in it.
 
Stevenfyeager said:
Thank you. Are there any suggestions in keeping lights dimming when the AC kicks on ? Sometimes I see that. My instructor (as I posted some years ago) recommended putting heavy loads near the top, closest to the main. I've tried that, not sure it helps.
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If the VD is in the source or the service drop/lateral such separation at your service equipment will do nothing to solve the issue.
 
Buck Parrish said:
IMHO They're are no advantages to doing that... Now years ago , which in Indiana it probably still applies. They had a service panel or equipment panel . I think it was 408 something. At that time you could not install a single pole or branch circuit breaker in an equipment panel . such as a six 2 pole breaker panel no main.
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You probably thinking back to when there was a "lighting and appliance panelboard" mentioned in the code.

Can't remember when they went away, maybe either 2008 or 2011. They were restricted to the 42 circuits.

A lighting and appliance panelboard IIRC was limited to no more than 10 percent of the circuits being line to neutral loads. So for a 40 circuit panel you would only be able to have up to four single pole circuits installed.

A MDP could have more than the max 42 spaces , as long as you kept any line to neutral circuits pretty minimal.

I remember an inspector teaching a CEU class once saying he ran into trouble with this rule often at baseball fields. They would have a main lug panel for service, 5 feeders to each light pole and someone would want a 120 volt receptacle at the service panel - 1 out of 6 is more than 10 percent and now it is a lighting and appliance panelboard and also needed a main breaker because of that. Simple solution was to put in a small feeder an separate panel to supply the 120 volt receptacle even though it sort of changed nothing load wise in the service panel.
 
Had a lead guy get me on that one when I was green and there were multiple neutrals, circuits,egc and isolated ground on some cubicles and modular laboratory furniture. Go get me the terminal kit for the super neutrals. Couldn't find them!
 
Poweranytime said:
Had a lead guy get me on that one when I was green and there were multiple neutrals, circuits,egc and isolated ground on some cubicles and modular laboratory furniture. Go get me the terminal kit for the super neutrals. Couldn't find them!
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If you smart enough at the time to know they are pulling a prank on you, that is when you go find a place to take a nap, then they can still get their kicks out of you when you say you looked all over and couldn't find it.
 
18 and working for a buncha Dicks. Good experience but being smart didn't get me anywhere. Was in a bulk fuel terminal the shovel and threading gear was my life at the time
 
Hoodood said:
6 or 1/2 dozen! As previously stated the buss is rated all the way from one end to the other. I've never encountered this problem with breaker location in a panel. My experience with this has always been outside the panel, not in it.
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It’s actually. 6 of one or half dozen of the other
 
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