Cleaning out old wires in an old home. Any ideas what this would be? Can’t really follow the line out to see where it goes.

Hi, I’m basically brand new to electronic hobbying. I have 16 feet of LED strips powered by a 12v 30 amp output power supply. There’s a dimmer switch rated for 30 amps between the supply and LEDS. I want to add a timer to it that is able to either turn them on indefinitely or for 30 and 60...

Hey everyone. I have a question and I know the answer is most likely something simple but y damn brain is just not clicking today. We have a 480v 3 phase 80Gal compressor I assume that the internal contactor would utilize a leg of 277v to pull in the motor starter coming from the pressure switch...

Question 1 What must be installed wherever outlets are required according to the NEC? What article of NEC is talking about this requirement? Question 2 According to the AEC standard, how many outlets can a GFCI protect? Also what article in the Code talks about what receptacles are required to...

I have an issue I am troubleshooting...One night about a month ago, my bathroom lights started to flicker. The light and fan would kind of go on and off and then they both stopped working for a few days, then started working again. It worked for like a month, then nothing. The two switches...

Hey guys I’m just looking for some guidance and help I work for rai in GA and In wanting to go in to the field for electrical they said I would have to do my apprenticeship but I’m just nervous about going out to state for jobs due to I’m so used to working my normal 40 a week and coming home...

I have a missouri journeyman license and have worked in the field for 6 years. Missouri doesn't have rescpiricity with any other states, does that mean ill have to start over to get my journeyman license when I move?

I have a missouri journeyman license and have worked in the field for 6 years. Missouri doesn't have rescpiricity with any other states, does that mean ill have to start over to get my journeyman license when I move?

I have an outlet that has two separate sets of wires coming into it. A 3/1 with black, red, and white on the left, powered by breaker one, and a 2/1 with a black and white on the right, powered by breaker two. I believe the 3/1 is for a half-hot and the 2/1 is for a switch. When I installed...

Hey everybody in Josh from MN....Nice to meet you guys here I'm absolutely new to this. I have been a carpenter for just about 30 years now and the only thing I never really got into was electricity I respected it obviously but never wanted to mess with it. I'm having some issues and I would...

I've got a question, I have been starting a new project that runs off 24VDC. I need a breaker rated for [email protected] which i cant find. The closest one I could find is a [email protected] (thermal breaker) and I'm wondering if that breaker will work at 24VDC and trip at 4A. Yeah, It's a dumb question, but I...

Hey all Scott here new to the forum. I really could use some fellow electricians help. I’m not sure where to post this so I hope here is okay. I’m a journeyman electrician trying to continue my education and learn more about our great trade. I’m from a small company and my boss is an amazing guy...

Hey guys I have about 8 months experience as a licensed electrician. I grew up around electrical working with my dad and recently realized how much I love this trade. I always try to improve my techniques and learn more. I always try to buy more tools, whatever will help us get the job done...

So I'm doing a side job and the coustmer had asked me to replace old rusty panels n breakers for new shiney ones!! So here is my main question. With a 240v corner grounded delta (b phase) so I need a special panel and breakers specifically for grounded deltas .. or will the normal 240v 3 phase...