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  1. 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...
  2. 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
  3. 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...
  4. F

    How to stop backfeeding on a portable solar panel.

    Hi everyone, You were so helpful with my last enquiry, I am going to ask a related question. I bought a portable solar panel to keep my caravan battery topped up. The one I bought was made in the UK from a firm Low Energy Supermarket, 18volts with a 10 year warranty. Good specs, or so I thought...
  5. R

    Ground & Neutral Placement in a Panel

    I am pretty sure I know the answer to these questions, but because this isn’t my own panel, I wanted to double-check. I am installing a single 20amp circuit into this panel in Florida and it seems that the ground/neutral bars are full. I believe that you can only put a single neutral under any...
  6. S

    Calculate panel loads

    I am currently working on a 400 square ft. ADU for a client. He originally designed it for to use propane for hot water and cooking. He ran 1 1/2" conduit from main panel planning on 100 amp panel. He now wants to eliminate propane and go all electric. Loads are: mini split-19A, water...
  7. R

    Can I run a 50 amp subpanel directly from main metered panel

    1990s home. 100 amp main feed. Nevada. 15 years mechanical experience on cars + motorcycles. Previous electric exp: I ran the other 50 amp 4-wire setup directly from the interior subpanel. Now I was told by an electrician when I was shopping around to get the above job done, and a 30 amp plug...
  8. J

    Uneven voltage on legs at main panel - troubleshooting?

    I have two main panels each 150amp breaker. House was built in 83 and lived here for 6 years no issues. About 6 months ago we had a power surge and our main ac fail (hard short) and tripped the breaker. Had the unit replaced but it seems since then we have had issues with lights diming and...
  9. azimlxp

    Solar panel rating measuring

    Few days ago, I bought a solar panel. It's rating was 6v and 450 mA. But when I measured with my multimeter, It shows around 5.25v to 5.85v and 18mA to 22mA in full sunlight. My Question is - Is measuring current around 18mA to 22mA for per hour or per second?
  10. P

    Sub panel grounding in a pool shed

    I have a Ge 125 amp 12/24 load center being installed in my pool shed roughly 80 ft away from the main electrical panel on the house. The plan is to backfeed the panel with a 100 amp breaker to function as a service disconnect. I will be running a 20 amp circuit from this sub panel to a garage...
  11. D

    Sub panel breaker amperage upgrade

    I need to install a charger for an electric car, which needs 60 amp breaker. My main panel has a 200amp breaker and services 2 sub panels, both via 60 amp breakers. My issue is that there is no space in the main panel for a 60A 240V breaker. I do have space in one sub panel (basement) which is...
  12. J

    Temporary service panel

    I have the transformer feeding my temporary service. 6-4 SO cord, 50 amp panel. Can someone please provide me with the code reference that stats you can't use SO cord to feed your temp panel? Thank you
  13. sajeel

    solar panel connect directly to consumer

    Have a client with solar panel setup with batteries fitted, they have asked if possible to store the electrical energy and then use for lighting, i was thinking of using a contactor or changeover switch as cannot feed both power sources into 1 lighting circuit all your replies and suggestions...
  14. M

    Solar panel calculation

    Hi First time poster, I have a 250w solar panel and a 90ah 12v battery. What size regulator / controller do I need please? Is it as simple as connecting the controller between panel and battery? Can you use standard flex? Thanks in advance
  15. J

    Metal panel locks on plastic enclosures

    what’s your guy’s opinions on metal panel locks on fibreglass/plastic enclosures. The reason for asking is I’ve seen a few of these enclosures fitted with metal locks and I know the likely hood of the lock being made live it extremely low but would you still class the locks as exposed conductive...
  16. N

    running wire under drive way to garage for sub panel?

    2ga is what i think i need for the runs. ill have 220v out there so ill do 3 runs for hot/hot/neutral and then ground. reading the current code it seems i need grounding rods out there as well as a dedicated ground from house to garage? is that right? can i sleeve cables for wire color change...
  17. G

    Solar Panel to operate camera

    Hello guys, I have 10W solar panel, a 7000 mah battery and 10A charge controller. there is 7 hours of light a day i have 3W little camera which supposed to work 24/7 continually. in direct clear sun, im getting around 20V from the solar panels (i'm measuring direct the panels with fluke) i...
  18. H

    a solar panel to start a PV inverter project

    A few days ago I purchased a solar panel to start a PV inverter project. Additional devices used are TFT LCD, rechargeable lithium batteries and microcontrollers.
  19. C

    Grounding at the panel?

    I'm running a few new circuits inside my home...working my way backwards (wiring from inside the house, back towards the outdoor panel). I have a large outdoor junction box, approximately 18' away from the panel, serving as an entry point / splice box as it leads cables into the home. Again...
  20. Designmen90

    Connecting ground to neutral in main panel

    Hello everyone ? It's totally confusing for me. It is my understanding that the neutral and the ground busbars should be connected at the main distribution board (schematic attached), but not at the auxiliary or sub panel. But why? I know that if I connect them in sub panel the current from...

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