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  1. E

    wire two 30 amp inlets into same bypass panel?

    Can I wire two 30 amp inlets into the same bypass circuit panel? I want to have an inside and outside inlet.
  3. Charlieh20

    UK Can I use CAME dir 10 photocells with generic pair and 909 control panel?

    I’m installing a driveway gate and need two sets of photocells in series to stop gates when car is in the way of either pair. The set that came with the kit are straight forward, both units have a + and -. The receiver has the contact that’s closed when there is nothing in the way. Another...
  4. D

    Panel and underlying damage.

    Went to investigate zero output on solar system and discovered a damaged panel. But what surprised me was the damage (Obvious heat damage) to the underlying sub-frame and roof membrane. The DC cabling was surprising un-marked. Client is adamant that there had been no impact damage!
  5. Mdterpsfan

    Main panel and sub panel grounding.

    Brian, DIY but 30-year commercial/industrial master HVAC tech. I have installed an emergency whole-house breaker switch next to my service meter. This will now be the main panel and I have subsequently tied my two grounds from grounding rods into the new panel. The the original main panel...
  6. 9

    Starting point for relevant qualifications/learning materials to support control panel design for industrial automation

    Hi all, Some background on this question: I am UK-based, and I work with robotics and automation, so have experience with PLC programming, robot programming and installation, certification of robot cells, etc. Something that I have so far not had much exposure to is the design and build of...
  7. N

    Sub Panel Question - Panel Size/Breaker Size

    I am looking to add an 80 amp sub panel for my detached wood shop. The smallest sub panel I can find has a 100 amp main breaker in the panel. Would it be ok to use this panel, and just connect to an 80 amp breaker in the main panel? Thank you!
  8. R

    Power Panel Changes Voltage with Branch Circuits

    I have a Single Phase Power box for a townhouse. When I read voltage across the Hot legs (A) and (B) to ground I get 123 volts with the main breaker turned off. With all the circuit breakers turned off and powering up the main breaker to the panel I still have 123 volts across both (A) and (B)...
  9. Yanman

    Electrical test on D.O.L fed straight from main panel isolator

    Hello everyone i recently got a job on replacing a BMS panel in a plant room. the NEW panel i installed except the control side of the install also feeds the mains for a few gas boilers, immersion heaters and cylinders, pumps. etc. I am going to do the testing on that and i...
  10. GrahamBG1609

    How to control Smart TV using control panel & buttons instead of remote control.

    We have a family friend who has a son with Autism who keeps breaking the TVs with the rmeote control. His mum has asked us if we can help, having broekn 3 TVs! I have found a protective TV cover, but I need to add a control to it, so he can switch it on/off, channel up/down and volume up/down...
  11. E

    Fuse missing from main disconnect panel

    Hi there, I run a recording studio out of an early 50's built warehouse. I've been having electrical noise and ground loops in my audio equipment since I've been here (almost a decade) and I've finally decided I can't deal with it anymore. I'm going to install a new main panel as well as new...
  12. amwitte1

    Main Panel and Sub Panel Wiring Issues

    Hello everyone, I hope you are doing well. Several years ago I purchased an older 1971 home (aluminum wiring that has since been fixed with al/cu purple connections). There is also a sizeable detached workshop (copper wiring) in the back. This workshop's wiring is in such disrepair that I...
  13. W

    Manual transfer panel for generator to operate sewage pump.

    I have a whole house 110v sewage pump. Manufacturer says it needs 5 times the operating current for start up. That's 7000 watts. I plan on getting a 8500 watt inverter generator and manual transfer panel...
  14. Manny1

    Optima XM alarm panel

    I have an old Optima XM alarm system in my house in which has worked fine for over 20 years. Recently when I was trying to set the alarm to go out, the buttons on the keypad were bleeping as I was trying to set the alarm, but the alarm wasn't setting. A little later I would try again and...
  15. K

    Whom to blame and what to do ?

    Hello, I need help as the situation seems pretty difficult here. We decided to finish our basement, installed studs next to concrete foundation walls. Then we hired a licensed electrician to wire basement. He suggested to add a sub panel to the existing panel that was placed between two studs...
  16. M

    Sub panel question from a DIYer

    New/old house. There's some indication that the electrician was drunk, or the owner just had his/her own way of doing things and knew the inspector. Every time we try to turn off a circuit, my hub goes through every breaker in the main box. None turn off that circuit. Next stop, the sub- panel...
  17. HEXx99

    "240V" panel reads 208 line to line?

    This must be such a noob question but I cant seem to find any answer out there: Background: Installing a 10hp Air Compressor 230V 30A 3Ø. The panel I want to use says 240V and there are giant Printers that that are also 3Ø that get their power from this panel. Im not an expert on transformers...
  18. U

    Solar Panel Theft Solutions

    Trying to help out one of my customers who keeps on getting the PV panels stolen from one of his business premises which has a low roof making the panels easily accessible. As I maintain the intruder alarm he is asking me for some security ideas So the questions, are there any systems out there...
  19. R

    Panel wiring and cable size question

    Hi All I’m in need of a bit of advice. I’ve recently started a new job and have been given the task of relocating some machinery. There are 3 separate machines on the line with 1 feed from a bus bar with a 35mm cable protected by 125a fuses. What I’m planning is to take the feed to the first...
  20. V

    Adding new Honeywell IS312 PIR to Galaxy 20 Panel

    Hi All - Does anyone know if I can add a PIR to an existing zone that has one PIR on it. If so with the pir wired as in the picture where do I attach the wires on the panel ideally I want to use zone 3 or 4. I'm not sure if the original wiring is using same colours as I have for PIR. Many thanks
  21. J

    60 amp 240 v breaker in 100 amp sub panel

    Hello, My sub panel is 100 amp (from a main of 200 amp) and it currently has a 20 amp 240 v breaker for A/C and then only lights and outlets. This is not a house, just a remote building with toilets, shower and outside kitchen. I want to add an instant on tankless water heater that requires a...

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