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Correctly Calculating Air Condition Load for Service Calculation NEC 2014

I am looking to install all new kitchen appliances and wanted to see if my current service would be sufficient. I am trying to calculate the service load using Article 220 of the NEC 2014 and I am ...
GZ704's user avatar
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0 votes
1 answer
52 views

Need to power 800 sf tiny house 350 feet from transformer [duplicate]

I have a 800 ft.² tiny house that I need to run power to. Based on load calculations, I need a 70 amp service feeder. The only major electrical appliances include three 12,000 BTU mini splits and a ...
John Allen's user avatar
0 votes
1 answer
40 views

Installing wiring between meter panel and main load center panel

If inside a wood framed wall, new construction w/drywall on one side and siding on the other, can I use separate wires, 2/0 in my case, or am I required to use a jacketed cable with two hots and a ...
Bill's user avatar
  • 1
0 votes
2 answers
52 views

Can I safely remove existing ground wire from neutral/ground buss in service panel?

I have included a picture of my service panel. My situation is, I need to remove the green wire (ground) that is connected on the neutral/ground bussbar. This gound wire was conected to a previous spa ...
D Gordon's user avatar
2 votes
1 answer
87 views

Can I feed a shared garage from 2 meters for EV charging?

Suppose I have a duplex, building A, which has 2 electric services. It also has a detached garage structure, building B. Each tenant has half the garage. Weirdly, garage lights are powered from the ...
Harper - Reinstate Monica's user avatar
-2 votes
1 answer
102 views

Can I use 6 wire direct burial for 200 amp service box? [closed]

Hi I’m trying to turn a shed into a small apartment. I have 200 ft 6 wire running from pole to 100 amp breaker box in shed [ future apt]. On the pole I have a 200 amp service box with meter space. Is ...
user175484's user avatar
0 votes
1 answer
526 views

Is SER aluminum cable okay for INTERIOR run to sub-panel?

I have a short run between a main panel and an attached garage with a sub panel. A SER rated aluminum cable is routed along rafters and between studs, not exposed to wet or sun, and not enclosed in ...
jbbenni's user avatar
  • 629
3 votes
1 answer
541 views

400 Amp Installation for New Home Use of Meter Main

New custom home to be built in Tennessee. TN still uses 2017 NEC. This post is just to see what others have to say about what I plan on having for electric service. The house will be close to 3200 ...
Richard's user avatar
  • 31
1 vote
1 answer
169 views

Options for 200-400A Dual Meter Setups

Existing 100A service and main panel from PG&E here in California. Planning for a future detatched ADU to be built potentially years down the road. What I'm going to do now is relocate the service ...
blackmountain's user avatar
1 vote
4 answers
1k views

Have 2 meters/2 services for 2 structures - need to remove one meter and retain 2, 200 amp panels

I have a garage and a house on my property and each of them have their own meter and 200amp panel. This was setup decades ago when original owner ran a business out of the garage. I would like to ...
DJHess's user avatar
  • 11
0 votes
2 answers
1k views

Wiring 100 Amp RV/tiny house panel from two 240v 50A feeds

I'm in the process of building a tiny house. An electrician helped me install my service panel and the connections throughout the house. We either never concluded, or I've forgotten, what the plan was ...
Steve Rose's user avatar
0 votes
0 answers
122 views

How to use a seal service kit (SPSK0319.1J) for a Mira Meynell V8/3 shower mixing valve

I have a Mira Meynell V8/3 shower mixing valve. It works great for years. Now, the knob has started to become stiff, especially it needs to be turned quite hard to the fully clockwise position which ...
Chan Tai Man's user avatar
0 votes
0 answers
57 views

Schneider technical assistance global (not country specific)

Background I live in Indonesia. The voltage for residential buildings ranges from 220 V to 230 V, I need help with the installation of the following Schneider products with the corresponding links to ...
Daniel Denny Dillan's user avatar
0 votes
0 answers
94 views

How much service amps do you need for one 400 amp panel (House) and one 200amp panel (shop) on the same meter?

400 amp main with two 200 amp sub panels (House) 200 amp main with one 200 amp sub panel (Shop) How much service amperage do you need for two 200 amp panels (House) and two 200amp panel (shop) on ...
Brian Gavin-Stevens's user avatar
2 votes
1 answer
169 views

Underground garage supply conduit standoff

I had 100 amp underground service to my old garage. In 2” conduit PVC SCH 40, 24” trench, code USE wire size, slip joints, etc While building the replacement garage, Contractor poured the new slab in ...
Wray's user avatar
  • 23
0 votes
1 answer
2k views

Looking for a 200A emergency disconnect that's not huge and expensive

NEC2020 230.85 requires me to put an outdoor emergency disconnect in when I'm building my home workshop. The current meter is on the house (and must be replaced), so we're moving the meter to the ...
Eric's user avatar
  • 29
0 votes
1 answer
4k views

Should my new service panel be bonded?

I am upgrading an obsolete Sylvania panel located inside the house. There's a main panel outside the garage with the main 150 amp breaker. I have a supplied bonding screw with the new panel. ...
Ken's user avatar
  • 5,403
0 votes
4 answers
698 views

Replacing MC panel with separate meter and service panel

I have a Siemens MC30 meter combo panel. I need to separate the meter from the service panel to allow a whole house generator transfer switch between the two. The only way I know to attack this is to ...
AKG's user avatar
  • 101
0 votes
0 answers
215 views

Routing SER cable through a subpannel/junction box without making splices?

Due to other constrains I may need to route a SER cable feeding a remote subpanel via a junction box (or another small subpanel for convinience). This junction box will be connected back to back to a ...
Michal's user avatar
  • 59
2 votes
1 answer
4k views

Running ser cable from 200amp main to 100 amp sub panel

I'm running ser wire from my 200 amp main box in my garage to a 100amp service box for tankless water heater. I'm running the cable along the top edge of my garage around a corner about 30ft run total....
Roctoc09's user avatar
0 votes
0 answers
362 views

Can I remove a demarcation point for a telco that no longer exists?

Awhile back we had a new electrical service put in, and they put in a whole new service mast and the works. But the old service mast is still sitting there because there are other services connected ...
TBridges42's user avatar
0 votes
1 answer
130 views

200 amp service wire jumping from house, to barn to pool house. Somewhere the Neutral is broken

My question is a bit more technical then most as I have narrowed the problem down to a bad neutral somewhere in the system. There is a service wire from the house overhead to a barn, then another line ...
Keith Weaver's user avatar
0 votes
3 answers
3k views

Direct buried service wire from house to shop

what type of wired i need to wire my shop for 120/240 single phase buried about 200' from the house? I plan a 60amp main breaker in the shop. Will 2-2-4 stephens aluminum urd cable be okay?
Pat's user avatar
  • 3
1 vote
2 answers
2k views

How to remove bricks cemented on patio floor? Who do we hire? [closed]

My patio has some bricks cemented on top of older ones that I wish to remove. What kind of service do we need to hire for having the top bricks removed? Cement or mortar was used to set the bricks.
Stacy's user avatar
  • 13
0 votes
1 answer
2k views

Water meter still spinning even after shutting off water to house?

Our water meter is continuously spinning even after shutting off all the water to the house. We do have 2 different toilets that run about 4 times an hour on their own. I was wondering if the spinning ...
Hope's user avatar
  • 1
2 votes
2 answers
3k views

Pros/Cons combined meter/load center

I am renovating a cabin including complete re-siding so I thought I would use this as an opportunity to upgrade the electrical service to 200amp (currently 100amp). Two reasons, 1) might want to add ...
drjrt's user avatar
  • 181
2 votes
1 answer
499 views

What type of outdoor breaker/disconnect for two buildings?

I am going to be building a larger garage. I am looking to put a 200amp service in the building. I had the power company come out and check my feeder lines and confirm that I had sufficient service ...
Fyre Fyter's user avatar
1 vote
1 answer
4k views

What type of wire should I use from the meter to a 100 amp main breaker panel?

I have a 60 amp breaker panel in the middle of the house 25 feet from the meter. It currently has 8 gauge wire that runs into and through the attic, over to the panel and down into the panel for a ...
TDConCo's user avatar
  • 11
3 votes
1 answer
605 views

Bizarre home electrical system

This is a follow up to a question I asked recently about a subpanel that was not wired properly. I'm working on an extremely bizarre situation with the electrical system of an old house that predates ...
Sagierian's user avatar
  • 191
1 vote
2 answers
2k views

Does a new manufactured home on permanent foundation need a shutoff within 30ft?

I am installing a new 2020 manufactured home on my land about 40' from a permanent underground 200A service meter-center/meter-main panel (Eaton MBE2040B200BTS). This panel currently only has 2 ...
Martin Vandepas's user avatar
3 votes
2 answers
5k views

Why do I measure low, varying phase leg voltage which fluctuates with load?

I have 123 volts on one phase and 89 or less on the other phase depending what I turn on. How do I troubleshoot this?
Gerald Bates's user avatar
0 votes
0 answers
479 views

Adding Refrigerator to Garage Door circuit

I recently had a transfer switch installed for my generator. I'd like to add a basement refrigerator to the same breaker (in my service panel) as the garage door circuit. This would allow the ...
user107748's user avatar
0 votes
0 answers
471 views

Hello, I want to add a 100 amp panel for multiple RV services

I want to add a panel for 2 RV plugs at 50 amps each and have 4 110volt plugs. I like doing things myself so I know what is going on, on my own property. I know I'll have to have it inspected by an ...
LarBare75's user avatar
1 vote
0 answers
47 views

How do I compute how much electric service to provision?

Generic question here. I won't self-answer. Suppose I am adding significant new loads to an existing house - say, a 50A hot tub and a 50A RV receptacle. Those are big loads for a modest gas home. ...
Harper - Reinstate Monica's user avatar
1 vote
2 answers
315 views

IBT and whole house transfer switch

The inter-system bonding termination (IBT) is where other services like telephone and cable TV get their ground bonds from the house's grounding electrode system (ground rods). 2014 NEC (NJ) 250.94 ...
David Pfeffer's user avatar
2 votes
2 answers
3k views

How should I get the service entrance cable to my new adjacent panel location?

How do I have to run the SER cables from the original hole(where the SER cable goes through the wall) to the side of the new panel? Can SER cable be exposed or needs to be inside a conduit? Conduit ...
cadobe's user avatar
  • 117
1 vote
1 answer
221 views

Power outlets near service entrance

I want to install a 50 amp circuit breaker in the service entrance box and put the 4 wire 220 outlet for my welder right below the service entrance. I will be using a 50 ft extension to reach my ...
JayDubyah's user avatar
1 vote
1 answer
593 views

Wiring a new shop advice

I am having a new shop built on Friday.The shop is located 250 feet from my power meter. For a 240 volt 100 amp service in the shop, the online calculator says I need 2/0 AWG Aluminum or 1AWG copper....
grantr's user avatar
  • 41
1 vote
1 answer
8k views

What does NEC require for strapping down conduit and wire here?

Below is a picture of the current conduit and wire setup for my new underground service into my house with generator automatic transfer switch and manual transfer switch to allow me to switch to an ...
David Pfeffer's user avatar
1 vote
2 answers
6k views

What type and size conduit should I use for my service entrance cable?

I am running my aluminum service entrance cable from the main panel to a sub panel in my garage. It runs from the garage under the house then out the wall, makes a 90 degree turn to go into my side of ...
AkGutierrez's user avatar