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  1. johnwicklover

    Carrying out a refurb on old panel boards, worried about discrimination.

    I am carrying out a refurbishment job on this old panel board and fitting in a new panel board from Schneider. The current supply to this building is a 100amps BS88-2 Gg (assuming). I am planning to protect the outgoing submains with the NSX100 ML 2.2 set at 100 and 63 respectively. I don't know...
  2. ElectronicsNut

    GRAY Electrical PVC for Service Panel feed into the attic

    I have an old 30 breaker electrical service panel (from the early 1980's) that the main breakers are twisting to the side more and more and the cover panel no longer fits properly over them. I have decided that it is time to replace the service panel with a new one, as I feel this is turning...
  3. G

    Meter and Service Disconnect at Road - What Wires to use underground to connect main panel in house?

    I have 200amp connection, with the meter and service disconnect at the road (see pictures). House panel is about 75 feet from the service disconnect at the road. 1) Assuming I need 4/0-4/0-4/0-2/0 AL wire sizes (considered a sub panel), exactly what type of wires are required to run from the...
  4. O

    Sub Panel Common Bus Bar Expansion

    Good day! I have a 200 AMP service with the main shut off installed outside. From there, 60 AMP line to hot tub, separate main feed to what is now my "sub panel" ( main box) in my basement. My dilemma is that my common bus bar is full. As it is now a sub panel, I cannot place any commons onto...
  5. I

    Challenger panel

    Hello everyone! I’m a new homeowner and a new dad! I recently just built myself an office on my property and I wanted to run electricity to it. I currently have the dreaded challenger panel and I wanted to know what breakers I can use with this panel? I plan to run some lights and several...
  6. E

    New Home Build Electrical Panel Advice

    I am an owner (not an electrician) and plan to commission building a new house in Toronto, Ontario, Canada. The home will have a legal basement apartment (so 2x ovens, 2x laundry, etc), 2x car chargers, elevator, some electric heated flooring, electric heated driveways / paths, HVAC, and some...
  7. J

    Can Landis and Gyr CM100 run backwards with a solar panel installed?

    Can Landis and Gyr CM100 run backwards with a solar panel installed?
  8. S

    Sub panel for ADU or new dual socket meters?

    Hi there, my first post here, I installed this in 2015 which is a 150 amp GE powermark gold 8 circuit 4 space meter/load center https://www.homedepot.com/p/GE-PowerMark-Gold-150-Amp-4-Space-8-Circuit-Meter-Socket-Load-Center-TSMF415CSFLP/302751170 Now I want an ADU in my backyard. Power...
  9. Y

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?
  10. C

    How much loss can be expected in wire from main panel to subpanel? Is 3% OK?

    I am monitoring my subpanel with a CT monitor and the utility meter with a Zigby reader. The meter shows consistently 3% higher. So it is either normal loss in the wire, or the utility is overcharging, or the CT monitor is inaccurate. The breaker for the sub-panel is 90A. Could anyone...
  11. T

    Solar Panels Underperforming Solar Panel Test

    Hi There, I hope everyone is good :) I'm a newbie on this forum. I need a help for my solar panel study case. Link: https://drive.google.com/file/d/1SAbb5BkIAqL2uNE37mO7jZFWJxZDYDQk/view?usp=sharing This link contains data for a site which is performing at about 77 % for September 2014. Try...
  12. DJAndy

    Actulux controller stays in 'Alarm' after fire panel reset

    Been having issues with a pair of linked Actulux SVM controllers. If the fire alarm is triggered the controllers show 'Alarm' and the AOVs open as expected. After the alarm is cancelled and the fire panel is reset, one of the SVM controllers goes back to normal, the other stays in 'Alarm'...
  13. J

    Best Light for Reading, Computer Office: Flat Panel or Globe Dome Light?

    We are thinking of installing new ceiling lights, in Standard 10 feet ceiling. We originally have 4 inch diameter light in the hallway. My son would keep the door open to prevent getting hot, however this hallway light was hitting the side, peripheral of his eye, very small and lot of light...
  14. H

    Help understanding electrical panel

    I’m not looking to do any repairs. Just looking at better understanding on how my home wiring is set up. Home was built in 94’. I’m not electrical savvy, I know some things but what would be the reason to mount a main power switch(breaker)from one side of the house yet mount the sub panel on the...
  15. A

    Generator back feeding panel questions...lots of questions.

    Good afternoon guys. Recently had to make an impulse generator purchase. Looking for some guidance to make my generator use both more flexible and safer than extension cords. Apologize in advance for breadth of information and questions. First time on this forum so any help would be greatly...
  16. B

    Ireland rointe K serie in Dublin

    where can I get the control end panel " the plastic part "complete with controls etc for a rointe K serie ,it has 11 panels .I am in Dublin . It is not working correctly ,display goes white Thank you , Niall O Connor .
  17. S

    Control panel and electrical installation software for sale

    control panel and electrical installation software for sale. WSCAD is a Siemens based system. Has the ability to carry out the following: control panel design drawings circuits and layouts Electrical installation design drawings circuits and layouts terminal layouts materials listing automatic...
  18. T

    5V out from heat pump control panel.

    Hi, I'm needing to run a raspberry pi computer board near my boiler. The Pi requires 5v at 2.5A. My heating system is from NIBE and the control panel a SMO 20. It does have a USB port on the front for software updates but this doesn't appear to have enough current to power the Pi properly. Sad...
  19. A

    Question about using a wired power strip to the electrical panel in home

    Because I have no wall outlet grounded anywhere in the house, I asked an electrician to help and the solution that didn't involved destroying the walls was to wire a power strip directly into the electrical panel (i got one right where the entrance is, I don't know the exact name but every...
  20. A

    Anyone know where I can get a solar panel monitor similar to Caymax solar eye giving current and historical information

    I need to replace a faulty solar panel monitor, similar to Caymax solar eye giving current and historical readings and data analysis.

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