Search: Posts Made By: Derstig
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02-17-21, 01:13 PM
Replies: 65
Views: 1,115
Posted By pattenp

I use bypass cable cutters on large wire. Torque...

I use bypass cable cutters on large wire. Torque to specs, specs are based on lug type. Don't get hung up on the difference between the lug torques. You don't have to use Noalox. It's not required by...
02-15-21, 09:23 AM
Replies: 65
Views: 1,115
Posted By pattenp

It doesn't matter if the cable is loose within...

It doesn't matter if the cable is loose within the strap.. Just needs to hold the cable to the wall. The one hole EMT style strap may work better. You can always add a spacer or wrap the cable with...
02-02-21, 08:10 PM
Replies: 1
Views: 134
Posted By lambition

You can still use interconnect as is. You will...

You can still use interconnect as is. You will have to replace cable between service disconnect and main breaker to 4 wire.
01-31-21, 04:24 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

If this is the main panel you can attach it to...

If this is the main panel you can attach it to the neutral bar if the holes are big enough or the steel case. If it is not the main panel then it needs to only be connected to the steel case.
...
01-31-21, 01:59 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

Then install the neutral lug on the bottom left...

Then install the neutral lug on the bottom left on the bar and run the neutral wire as shown.

The ground wire can be bonded directly to the steel case of the panel. That only carries current...
01-31-21, 12:21 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

You should not mount a bar to the case and...

You should not mount a bar to the case and connect a neutral. That will cause current to flow through the steel of the case all the time.

Which way have you decided to run the cable? From the top...
01-29-21, 02:35 PM
Replies: 65
Views: 1,115
Posted By pattenp

The lug has tangs on the side that insert into...

The lug has tangs on the side that insert into the holes of the buss bar making the lug mounted on the side of the bar making the connection hole perpendicular to the bar. The tang spacing may not...
01-29-21, 08:50 AM
Replies: 65
Views: 1,115
Posted By pattenp

Are you looking at the Siemens ECCS1 Lug Kit? ...

Are you looking at the Siemens ECCS1 Lug Kit? It's perpendicular.
01-20-21, 06:17 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

Sorry, I was mistaken and Pattenp is correct. :(...

Sorry, I was mistaken and Pattenp is correct. :( A bushing is required for raceways but not for cables if the connector is rounded and not sharp. You can still use it though. ;)
01-20-21, 10:59 AM
Replies: 65
Views: 1,115
Posted By pattenp

That connector is okay. You do need to use the...

That connector is okay. You do need to use the locking ring. I'm not aware that a bushing is required on a NM connector. The edges of the connector should be rounded and not sharp. You can use the...
01-19-21, 04:43 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

I agree with both PCboss, Pattenp, and myself...

I agree with both PCboss, Pattenp, and myself that I previously posted. The cable is not subjected to physical damage when run along the building surface.

1/0 aluminum is allowed on a 125 amp...
01-19-21, 07:08 AM
Replies: 65
Views: 1,115
Posted By pattenp

I agree with pcboss that the conduit isn't...

I agree with pcboss that the conduit isn't necessary. You can always add a wood chase if it makes you feel better.
01-18-21, 06:55 PM
Replies: 65
Views: 1,115
Posted By pcboss

I would not consider the cable subject to...

I would not consider the cable subject to physical damage and would not need a conduit sleeve.
01-18-21, 05:53 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

They do not make a 120 amp breaker so you allowed...

They do not make a 120 amp breaker so you allowed to go up to the next size which is 125 amps. You are fine with 1/0 AL. (240.4(B)) There is no way your load calculation will come even close to 120...
01-17-21, 04:49 PM
Replies: 65
Views: 1,115
Posted By pattenp

I'm not suggesting you do this, but I would take...

I'm not suggesting you do this, but I would take a pair of well insulated diags plus using appropriate rubber gloves and snip the wires right at the lugs. Then install a new surge protector on a...
01-17-21, 04:38 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

I have never seen one of those on a panel before,...

I have never seen one of those on a panel before, but I would say you could just reconnect them, coat them with paste, and retorque.
01-17-21, 03:27 PM
Replies: 65
Views: 1,115
Posted By pattenp

The surge protector connected to the main lugs is...

The surge protector connected to the main lugs is a no no. Double tapping is a code violation.
01-17-21, 02:49 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

I would relocate the small cable entering the...

I would relocate the small cable entering the panel at the top right in the concentric KO and install the feeder cable there. Then just run the new SER similar to the SER feeding the main panel.
01-17-21, 02:16 PM
Replies: 65
Views: 1,115
Posted By pattenp

I was trying to suggest a way to advert any...

I was trying to suggest a way to advert any issues over the protection of the cable by your inspector. That means running the cable on the wall surface either fastened directly to the wall surface or...
01-17-21, 11:57 AM
Replies: 65
Views: 1,115
Posted By pattenp

Placing breaker at bottom is okay. I'd go without...

Placing breaker at bottom is okay. I'd go without the conduit and do your best keeping the cable strapped to the wall, even placing a running board along side if possible.
01-16-21, 06:18 PM
Replies: 65
Views: 1,115
Posted By pattenp

The installation of SER is the same as NM-b. It...

The installation of SER is the same as NM-b. It only needs to be sleeved where it is subject to physical damage. PVC conduit straps can be use and clamping at panel entry is done by large NM clamps.
01-16-21, 05:16 PM
Replies: 65
Views: 1,115
Posted By pattenp

The 1-1-1-3 Cu SER is what you need to use. As...

The 1-1-1-3 Cu SER is what you need to use. As long as it's not installed within insulation it can be sized based on the 75 deg C column which is 130A. The #3 ground is what comes in the #1 Cu SER....
01-16-21, 02:28 PM
Replies: 65
Views: 1,115
Posted By Tolyn Ironhand

THHN wire is rated at 90C and the termination...

THHN wire is rated at 90C and the termination points on the breaker and panel are rated 75C. With SER cable you may only use the 60C degree column when the conductors are #10 or smaller and when...
12-20-20, 07:32 AM
Replies: 13
Views: 256
Posted By Tolyn Ironhand

Yes, because it likely doesn't fit. Yes,...

Yes, because it likely doesn't fit.

Yes, back-feeding a breaker means to run the feeder wires to the lugs on the breaker and then connecting the breaker to the bus. In this case, the main lugs...
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