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  1. V

    Can i feed an 100 amp sub panel from a 100amp main panel

    I currently have a 100 amp service that feeds a 100 amp main panel. That then feeds a 75 amp sub panel in the old shop. Then that 75 amp panel feeds the new shop with a 40 amp panel. What I would like to do is get a 100 amp panel in the new shop and get rid of the 75 amp panel in the old shop...
  2. WILLPEACH

    OFC label in electric panel

    Hi all! I'm new to the forum and have a maybe stupid question: One of my circuit breakers is labeled "OFC", what does it usually mean? Thanks!!!
  3. D

    115vac line tests with proper voltage, powers a low watt bulb but will not run a drill.

    I have a 115vac line that tests with proper voltage and will power a low watt bulb but will not run a drill etc... Line from main panel to barn is 10-3 copper on a 30amp breaker. Sub panel has two 20amp breakers one for lights and one for plugs. Wire was run 30 years ago and ran a vacuum...
  4. T

    MV Electrical Stress

    I'm trying to find a simple way to answer some stress related questions in regards to MV termination to apprentices not engineers...this is what I came up with so I don't lose anyone going down a rabbit hole of terminology. "Electrical stress is when voltage is trying seek a path to ground...
  5. C

    Changing a single outdoor switch plate to a fountain to a combo with an outlet

    The previous owners of our property had non in ground rated electrical hardwired into the basement from an outdoor submerged pond fountain. Needless to say it was causing issues. I disconnected and dug up the corroded wiring which went into a switch plate on the outside wall. Layed down new...
  6. C

    Adding an outlet on the back patio

    I'm wanting to add a TV to my patio and curious about the power situation. My question is - there is a ceiling fan mounted in the ceiling, could I add an outlet using the power wire going to the fan or would I have to pull a new wire to the breaker. I assume it depends on the amperage of the...
  7. E

    Rebar bonding for insulated monolithic cement slab

    Hello! I am in the planning stages of a new dwelling construction. The foundation will be a monolithic cement pad with rebar. Based on my research, I am fairly certain that I need to ground the rebar within the slab. The slab will have rigid insulation under it and will have a vapor barrier...
  8. K

    Replacing a standard slimline GE breaker with AFCI on a mulit-wire circuit

    Hi all! I am new to this forum. I will be updating an electrical 20 amp circuit from a home built in the early 80s. Since I am modifying a circuit, the NEC requires that I update the existing circuit breaker with an AFCI. As you know, the AFCI is twice as wide as the existing slim line GE...
  9. D

    I need some help! ASAP, questions a put wire, three ways and stoves.

    This is the digram that i came up with, i am running mostly 12-2, on 20amp for everything. Except for my electric stove, i was planning 6 gauge wire on a 50a. i am trying to wire in two three ways light switches, and was going to run 12-3 between them and 12-2 to the lights and the service...
  10. A

    Adding a 20 AMP tandem circuit breaker

    Hi. I am DIYer who is trying to add a 20 AMP circuit to a residential Challenger SB12(16-24)CN Mod.1 panel. The purpose of the circuit to is to allow the use of a 1400W pond vacuum. My first thought/question is whether this panel is compatible with tandem breakers (ie Eaton BR2020...
  11. W

    Upgrading water heater

    I currently have a well water set up. I have an electric water heater (50 gallon / 240v / 30 amp breaker). It is on its way out and I would like to upgrade to a tankless water heater (electrical would be the easiest / although I do have propane on the property). The tankless water heaters that I...
  12. jtorral

    Help with shared neutral and wiring for disposal

    Hi My house apparently is wired in an old fashioned way with what I believe is called a shared neutral ??? Dont really know. But my breakers are special they turn two circuits off at a time and instead of a black wire only, one breaker has a black and the other a red. So, I need to hookup a...
  13. L

    Basic noob question about outlet wiring

    I tested a non working outlet with receptacle tester and it said open neutral. Turns out that the neutral wire was loose. BUT, in order to shut off the power I had to turn off 2 circuits. Inside the box was only 2 wires, black and white. So the open neutral is fixed but how many other problems...
  14. dogbob

    USA Ceiling Fan Box is Strange

    New construction in USA. I think that the builder put ceiling fan rated boxes in the ceiling. But when I remove the cover, I see a strange box. Picture attached. It's hard to make out all of the details, because the painter sprayed it. Have you seen this brand/style box before? There are two...
  15. Mike-R

    Cooktop Replacement: Can I Cut Band on G/W Lines?

    Replacing GE cooktop with newer model, GE PP9830, house supply is 4 wire and two 35amp joined breakers. However, Green and White wires on unit are banded together at tip. Was going to just cut band off, but rating plate clearly says USE ON 3 WIRE ONLY. Manual page 24 says 3 wire OR to 240V...
  16. D

    Maestro Companion Dimmer

    Hi, my wife and I need to replace a single switch dimmer that is not LED compatible. Our local hardware store told her that the Maestro Companion dimmer would work fine in a single switch installation, and sold it to her even after she pointed out that the box says it can’t be used alone. They...
  17. A

    ad sub panel to house main disconnect

    I'm new here and want to learn. I have a project I want to tackle but if it is above my means I will call an electrician. I have a main disconnect panel on the outside of my house. I want to add from it a sub panel to feed my pool and shed and also an outlet. I did some searching but still not...
  18. I

    1st vs 2nd point of disconnect in an older house with 3 wire service (2 hot and 1 neutral/ground)

    TLDR: In a 3 wire service are the ground and the neutral always bonded, in all subpanels? House made in 1970 has the meter and a 150 amps breaker outside the house, on the east wall. There are two hot wires and one neutral, which is clearly bonded/grounded with the enclosure. Through the attic...
  19. edwelch

    Wiring an outdoor bar

    I am planning on running wire about 135 ft (100ft underground) from a panel (20amp breaker) in our garage to my outdoor bar. The bar will house some LED string lights, a tv and a frig at this time. Heat and Grilling are propane. I was planning using 8/2 NM in a conduit to a 2 breaker (20 amps...
  20. A

    Want to ad sub panel to outside house main disconnect panel

    m new here and want to learn. I have a project I want to tackle but if it is above my means I will call an electrician. I have a main disconnect panel on the outside of my house. I want to add from it a sub panel to feed my pool and shed and also an outlet. I did some searching but still not...

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