question about old television
I have a very old television that was given to me a few years ago, from its appearance it's probably from the 1970s, but has worked fine. I unplug it every night (along with the converter box), and a few nights ago started noticing it has a heat smell inside the back when I unplug it. The last time, though, it started sizzling inside the back when I unplugged it. Haven't plugged it in or used it since- is it possible it could catch fire if I use it again?
What can I replace a 6v 4a AC adapter with?
My USB Hub requires a 6v 4a adapter. As shown in image. What can I replace this with because it is extremely difficult to find a 6v 4a. On tight budget - and I need to resolve this very soon as it is an essential part of my Music Production setup.
remote stay or go light
Hi guys.
I am new to the site.not very electronic savy.i require a stay or go red and green light on a loading bay in a factory.controled by a remote fob from maximum distance 100 meters.lights must be super bright.so the truck driver knows when loading or unloading is complete.i have a 240 volt supply only in building.
Thank you in advance
Cut power to live circuit and can't get back
Hello - I have a run of string lights setup to the roof of my warehouse and, as we were doing some remodeling, someone cut off the female end of the run as the wires were live. This cut the power to the entire run and I'm not sure how to get it back online. Since I'm an electrical novice, I don't really understand what happened or how to fix it. Did this blow a fuse in one of the individual strands and why won't the line become hot again once the power is turned off and on? Do I just need to cap off the neutral/ground ends to the end of the run?
Any help is appreicated.
Bulb blowing regularly.
Please I sort to know why a bulb in a particular lighting point in my house keep on blowing regularly while other bulbs are still there very healthy. I keep on replacing bulbs in this particular point all the time. Please can someone help me out.
Using (3) Single Phase Transformers for 3 Phase 240/480
I have 3 1KVA Transformers. Acme T 2 53010 S model. I want to transform 240V 3 phase to 480V Three phase. I wired each transformer as 240/480, and then connected them as a delta wye with the 240 side as the delta and the 480 sides as the wye, grounded in the center. I ended up with 1,000 volts on the output. I rewired ea transformer as 240/240, delta wye and ended up with 440V on the output. I can drive a 3 phase 480V motor with it, but I would really like to have 480V.
Any idea what I am doing wrong? Was I wrong to assume I could use 3 480/240 transformers, with the 240v inputs used to get 480V out in a delta wye configuration.
To be specific on the transformer wiring, I connected h2 to h3 on each transformer. X2 to X3. Wired the H1 H4's in a wye. Wired the X1 X4's as a delta. Then put 240V 3 phase on the x side.
240v to 120v
I have a 240v double pole breaker that was dedicated for an air conditioner. It had 3 wires going to it running through the wall - neutral, hot and ground. The air conditioner is now gone. I want to change this 240v outlet to a 120v outlet. I want to make sure that all I have to do is take out the double pole breaker and put in a single pole 120v breaker. If I understand correctly, I'll just have one empty slot in my electric panel. Is that all there is to it?
Dead Circuit---Need HELP!!!
I have an exhaust fan and lights for the hood over my stove. It has two rotary switches to turn on the lights and vary the fan speed.
With no notice whatsoever the lights and fan stopped operating.
I have strong electrical experience so I have checked the following:
We have two subpanels and one main: I checked ALL circuit breakers for voltage with my Fluke meter and every single breaker has the correct voltage. I checked from the breaker wire to the bar that has all the white wires. Black is hot in my house. NO tripped breakers anywhere.
I followed the circuit from the switches back into the wall to a junction box where three sets of wires conjoin---NO voltage at all, either at the switches or the junction box.
I climbed up on the roof and tested the incoming line to the fan---NO voltage
I checked every GFCI, both indoors and out. All are HOT.
I went to the attic and checked the wiring for the fan to see if rats had eaten anything---NO
Anyone have ANY ideas on what else I can check? After 50 years of electrical work I am at a loss. What am I missing?
3-way switch 2 fixtures
Hello. I would like to wire a 3-way switch to 2 fixtures but not in the usual way. I want to wire so that in one position one fixture is on and in the other position the other fixture is on. Doing this so that when the "main" lamp isn't on there's a low wattage LED bulb on. Doing this in a dark hallway. I actually know how to do this. Is it legal according to the NEC? Thanks.
Non-dimmable light in dimming fixture - Help!
Father in law put a non-dimmable light into a dimming fixture and it started smoking. He replaced the bulb with a dimmable light and called it a night. Is the wiring safe/is it still a fire hazard since it was smoking?