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amperage
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  1. Electrical
    My question is simple, all panel boxes are rated, i.e 100 amp 150 amp and so forth. Is that the total amperage across both hot bars or is that a rating per hot bar. For example, if I max out 100 amps of equipment on one hot bar, would I have available to me 100 amps on the other hot bar or am I...
  2. Electrical
    Hello, hopefully someone can assist me. I am installing a sub panel and need help with wire selection. The facts: Main panel located on outside of current single family dwelling Wire path to sub panel is into the wall through the back of the main panel down the wall into the crawl space and...
  3. Electrical
    Hello, I am looking to replace a wired door chime in my home. A majority of the wired door chimes I have found are 16V and use something like 6VA. I see that a lot of wired doorbell transformers are 16V 10VA. The wired doorbell transformer in my home is 16V 20VA. Does this mean it will burn...
  4. Electrical
    Hello, Replacing GFCI outlet in spare bathroom. Stopped working after about 6 years - no power, can't press TEST button. Anyway, when I took it out I noticed that there are 2 labels with conflicting info. One (stamped on white plastic face says 15A, the other (paper sticker on bottom) says...
  5. Electrical
    Hi, I have a 12 volt led circuit. I have a 10 watt led strip but plan to add many more. The power supply is going 40 feet from the actual led strips. The led strips are each a meter a piece. I am not worried about voltage drop across them. I am not sure which power supply to get or how a...
  6. Electrical
    First post on here... I just converted my gas lantern on my street lamp to electric and it is significantly less bright than I expected. I am using a 120VAC to 12VAC transformer. I first put two 3W LED bulbs in it and it wasn't very bright, so I replaced them with 5W LED bulbs and there was...
  7. Electrical
    Ok, before everyone states the obvious, I know that what I am going describe is a violation of the NEC. :smile: Here is what I have, my garage is wired for 240V. From the house there are a pair of wires supplying power. One is 12/2 and the other is 12/3 into a breaker box in my garage. These...
  8. Electrical
    Hi everyone! I'm trying to power my new DC freezer with the following specs: Input voltage: DC 12V/24V, 15A/7.5A respectively Power consumption: 75W I purchased an AC to DC power converter that claims to do the following: Input: 110-120V AC, 3.4A Output: 12V DC, 15A When I...
  9. Electrical
    Hello, in my house I have 2 breakers that are outputting 220v. Each breaker is 20 amps and I am wondering if the total current can be 40 amps or if it is only 20? Then what gauge wire will I need to support this power? Thank you!
  10. New Member Introductions
    I hope I have followed the instructions and examples correctly. I am hoping this ends up in the introduction section and not out of place. I did put a little blurb on my profile, and can get more detailed as we need to get. I have over thirty years experience of electrical motors and...
  11. Electrical
    I am trying to figure out the best way to charge 20 tablets daily. I use them for a class I teach and will need to charge them every night after class. A transit case will hold 20 tablets and I would like to develop a system so I can charge them while they are stored in the case. I am trying...
  12. Electrical
    I'm having some irrigation installed. The installer cut through a 220 in ground line. They said it would be ok to splice it and put silicone around it. I'm concerned about the safety since the line is connected to an outlet in a detached garage that contains 2 kilns that run on the 220...
  13. General DIY Discussions
    (A question for UK residents; 240v,13amp; British regs.): I've never been able to fully conceptualize the difference between voltage and current. Usually, that has not been a problem, as carefully observe the normal 5 or 13amp fuse criteria, just like everybody else. The "power brick"...
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