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  1. E

    Extending 12/2 and 14/2 using splices

    Hi all, I am investigating the options for extending 12/2 and 14/2 wiring leading to my main electrical panel. The two options I have been able to find are using several junction boxes or using the NSI NMS-2 splice. Is there a method to reduce the number of junction boxes by having some sort...
  2. H

    EV Charging - Using DC chargers to charge a fleet

    Assuming a large company needed a large EV charging infrastructure for its fleet to be electrified. Would it be best to just go straight for 150kW chargers? And if so, what would be the ideal setup (cable sizes for 150kW, connection to grid, load balancing, other equipment that might be needed)...
  3. _q12x_

    Electronic Lock using 74LS74 DTFF

    Im making this cct for fun. Ive seen it in a video on youtube, with different IC's. So I decided to adapt the cct to what IC's I already have. And it is working perfectly, both in simulator and in reality (on breadboard). But while building it, testing it, and playing with it, I noticed a...
  4. E

    13amp or 40amp socket for EV charger whilst using an extension cable.

    I am looking for advice on getting an upgraded 25 meter extension cable from my office into my car park to charge my EV from an IP66 rated socket, from a standard Tesla 3 pin plug - plug in charger. I know not to use normal off the shelf extension cables as they're naff, melt and are a fire...
  5. I

    someone using my qualifications without consent

    Hi Guys I was looking for a bit of advice really. I have been told that someone has been using my qualifications to allow themselves and others to carry out work . I was wondering if there is anyway of finding out if this is true, as i don't want to throw someone under the bus to find out it's...
  6. U

    Using Induced voltage

    don’t worry I’m not going to do this .. If I have a wire that is powering something like a house and lay or wrap another wire around it the wire laid beside it or wrapped around will show a voltage if connected to a test meter . If I did it to the positive wire prior to the meter in a house I...
  7. C

    Can you help me install a fixture using a screw terminal block?

    I have never installed a fixture that uses a screw terminal block before and could use some guidance. Since the earth wire is connected to I screw the grounding wire in the same terminal and then connect the blue wire to the white and the brown to the black?
  8. D

    Backup Generator using RV power outlet

    I currently have a 100 amp sub panel for a 50 amp RV hookup (on a 60 amp breaker). This is about 100ft from the main with 2/4 wiring. Would a 12000w generator plugged into RV hookup power the house? I think the issue would be limited amps so I could only run one of the following at a time: 1)...
  9. C

    Wi-Fi TV hookup using existing cable jack

    The room where we’re going to install a Smart TV has an existing cable jack but on the wrong side of the room. I want to convert the cable jack to an ethernet connection to where I’d attached a Wi-Fi range extender. Does my scheme make any sense? Is it at all doable? Thanks in advance for your...
  10. R

    Electrifying my tractor Shed and using proper gauge wire

    I thought that I posted this in the DIY part of the forum but I believe I did not. I am sorry about that. I put in a 10' x 20' metal shed about 9 years ago. It is about 200' ~ 70 meters from my house. It is on a 6" concrete pad. At the time of pouring the pad I put a conduit through the...
  11. leadbenny

    Am I using 12/3 cable from a switch to an outlet correctly?

    I'm installing a towel warmer and I thought I would include an outlet on the same cable because the towel warmer needs a junction box anyway. Can I run a 12/3 with both black/red hot, black attached to the switch, to the outlet connected to red, and continue the black to the towel warmer with...
  12. kreatiff63

    Flickering lights (am I using the correct thickness of wire?)

    Using a tuturial from a college lecturer, I've installed 2 way lights in our hallway. The cable I've used is 1mm lighting flex (2 core). The process I've used is taking the power to the switch. So I've used the permanent line from a neighbouring switch (4 gang) and connecting this to L2 where it...
  13. B

    Using solar panel DC output to feed immersion heater?

    Just an idle thought - has anyone any experience of using the DC output of solar panels to directly feed an immersion heater, to avoid the expense and losses associated with an inverter? Evidently, a changeover relay would be required to utilise the usual 240V AC supply at times of low or zero...
  14. C

    Using the Blue Regs Book

    I am due to sit my 2391 in a few weeks or so. I have been told I need the 18th Edition Amendment 2 (Brown Book) and Guidance Note 3 etc for the course days and exam. However recently having purchased GN3 and the Blue Regs book a year or so ago just before the Brown Book came out it seems...
  15. M

    110v 20amp circuit using existing #8 Alu wiring to 40amp breaker.

    I am abandoning an oven/microwave location that has an existing 220v 40amp (4-wire) circuit. I am leaving the wiring in place. I want to use the new counter space for a built-in microwave oven and coffee station. Can I use one of the 110v circuits in the junction box for a 110v 20amp receptacle...
  16. R

    Wiring a relay switch to power up a machine using remote control?

    So this is a question around my woodworking workshop. I have a dust collector which is connected up to various machines around the shop and want to be able to switch it on with a simple remote control I carry with me. I purchased this relay from Amazon: QIACHIP Universal Wireless Relay Module...
  17. M-B-Electrical-Services

    Anybody using Job Management Software?

    Hi all. I am pondering on the idea of using a job management software package for my business. I have a large number of clients with many of them being repeat customers and I'm running myself into the ground with paperwork! Tracking each job and what stage it is at is becoming a bit of a chore...
  18. A

    Using an estate car for work

    Thinking of changing to a estate car instead of van as van costs are quite high. Is anyone else doing this? What recommendations for a car?
  19. G

    How do I add a subpanel using three 20 amp breakers with 12AWG from the main panel

    Current Situation: I have three 20amp breakers with 12 AWG in the main panel. Each wire ends in a 3x2.5” metal box along with one neutral wire. There are two yellow wires, a black wire and a white wire. One yellow wire is attached to a 240V outlet and the other is attached to an orange wire...
  20. W

    UK Rewire using old conduits

    Rewiring a house in a few weeks, the lighting circuit is wired in old conduits. Interested to know if you would re use the conduits or just do new chases for the cables

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