c/electricians

I used a cheap harbor freight multimeter to find a weird ground fault in a 1970s house

Everyone says you need a Fluke for real troubleshooting, but my $20 Cen-Tech found a floating neutral on a kitchen circuit that was backfeeding through the plumbing. The reading was jumping between 40 and 60 volts on a cold water pipe. I traced it to a junction box behind the fridge where the old cloth wire had corroded. Has anyone else had a weird fault show up on a pipe like that?

My apprentice asked me why we call it 'pigtailing' and I had to admit I had no clue.

I've been saying it for 15 years, but when he asked if it was because the wires look like a curly pig's tail, I realized I'd never actually thought about it before.

Serious question, a 200 amp main breaker in a 30 year old panel just failed on me during a routine service call. One side says always replace the whole panel, the other says just swap the breaker. What's your take?

Just realized I was wrong about using aluminum wire for branch circuits

I found a chart in the 2023 NEC handbook showing the failure rate for aluminum terminations is actually 3 times higher than copper under typical residential loads. I always thought it was just a cost thing, but now I see the safety gap. Anyone else switch their stance on a material after seeing hard data?

Got a nasty shock from a 'dead' panel in an old Philly row house

I was swapping out a breaker in a 1970s panel last Tuesday, and the main was off, meter pulled, the whole deal. My non-contact tester chirped at me when I waved it near the bus bars, which made zero sense. I grabbed my Fluke 87V to double-check, and sure enough, it read 48 volts to ground on what should have been a cold leg. Turns out the neutral from the street was bonded to a different service two doors down through some ancient, crumbling conduit in the shared basement (the place was a total hack job from the 80s). I had to track down the other homeowner, get their power cut for ten minutes so I could isolate and cap that rogue neutral. Has anyone else run into back-fed voltage like that in these old attached houses? What's your go-to move after the non-contact gives a weird signal?

Walked through a new condo building in Phoenix and the panel layouts are a mess

I was checking out a friend's place in a new build near downtown Phoenix last week, and I had to look at the electrical panels. They put the main panel for each unit in the master bedroom closet, right next to the clothes rack. I mean, come on, who thought that was a good idea? The clearance is maybe 18 inches from the door, and if someone hangs a coat wrong, it could block the panel completely. It's not just bad for access, it's a safety thing too. I saw one where the homeowner had stacked boxes on the floor right under the breakers. These builders are cutting corners to save a few bucks on longer wire runs, but they're creating a real headache for anyone who needs to work on it later. Has anyone else run into this kind of lazy placement in new construction lately?

Just finished a whole house rewire in a 1912 craftsman in Portland. The knob and tube was a nightmare but the owner found original blueprints in the attic.

Had to choose between fishing a new line or cutting open the drywall on a kitchen rewire in Tacoma.

Went with the fish tape, took me 3 hours but saved the client a drywall repair bill. Anyone got a better trick for a 90 degree turn through a double top plate?

Just realized my old way of pulling wire in a 1920s house took twice as long as my new method.

Switched from a standard fish tape to a fiberglass push rod with a glow head for those tight plaster walls. Anyone have a better trick for old construction?

Spent three days tracing a phantom voltage in a 1970s house

Got called out to a split-level in Springfield for lights flickering in one room. Checked the panel, all connections seemed tight. Started pulling outlets and found a backstabbed neutral that had worked loose behind drywall. That should have been it, right? But the flickering kept happening. Ended up finding a junction box in the attic that someone had buried under insulation. The tape on a wire nut had failed and the bare copper was just barely touching a gas line. From the initial call to finally fixing that hidden fault, it took me a solid 12 hours over three visits. The homeowner thought I was making it up until I showed them the scorch mark on the pipe. Ever had a job where the obvious fix was just the start of the real problem?

My old Fluke meter started giving me crazy readings on a service call

It was a panel upgrade in a 1970s house last Tuesday. The thing kept showing 140 volts on a 120 leg, which obviously wasn't right. I had a backup Klein meter in the truck, so I swapped it out and finished the job. Has anyone else had a Fluke 87V just decide to quit like that? Wondering if it's worth fixing or if I should just replace it.

Finally got that old three-phase motor running in a basement in Cincinnati after it tripped the main breaker twice

Can we talk about how much faster a new bender made my conduit runs?

I was still using my old hand bender from 2010 for all my 1/2 inch EMT. Last month, I finally bought one of those newer hydraulic models. The difference is crazy. I bent 50 pieces for a job yesterday, and what used to take me over an hour was done in maybe 20 minutes. The bends are just cleaner and more consistent, no more kinks or weird angles. Has anyone else made a tool switch recently that saved you a ton of time on site?

Saw some seriously clean conduit runs in a new hospital over in Springfield

Always thought my work was neat, but their prefabbed sections and perfect 90s made me rethink my whole bending process. How do you guys handle large-scale commercial runs to keep things that tight?

Just had a ceiling fan install go sideways in a 1950s house

Honestly, I was doing a simple swap in this old place in Cincinnati, pulling out a light fixture to put in a fan. The box looked fine at first, but when I got the old fixture down, I saw the wires were that old cloth stuff and the box was just nailed to a joist, no bracket. I thought 'no big deal, I'll just swap the box'. Ngl, the second I touched the joist to put in a new brace, the whole thing crumbled like wet cardboard from termite damage. I had to cut a bigger hole in the drywall, sister in a new piece of wood, and mount a whole new pancake box. What should have been a 90 minute job turned into almost 5 hours. Has anyone else had an old house just fall apart on them like that when you barely touch it?

Rant: The three-way switch in that old farmhouse took me a full Saturday to trace out.

Turns out someone had tied the travelers to the neutral in the attic junction box. Anyone else run into a hidden splice that just killed a day?

Overheard a homeowner in Denver say they'd never pay for a whole-house surge protector

They called it a 'scare tactic'... makes me wonder how many folks are running expensive electronics without that basic layer of defense. What's the simplest way you explain the value to a skeptical customer?

Can we talk about the weirdest junction box you've ever found in an attic?

I opened one up in a 1920s Seattle bungalow last month and it had cloth wire spliced with Romex using twist caps and electrical tape. What's the proper fix for something like that?

My kid's science teacher in Phoenix mentioned the grid and it clicked for me

Went to a job in a 1970s apartment block and saw a real mess with the main panel

The building manager in Tacoma called me to look at some flickering lights, and when I opened the main electrical room, I found a bunch of double-tapped neutrals on the old Federal Pacific panel. This is a known fire risk, and the whole setup looked like it hadn't been touched since the Carter administration. How do you guys usually break this kind of news to a property owner who just wants a quick fix?

Tried using a thermal camera on a 40 year old panel and the results were not what I expected

I borrowed a Flir E4 from a buddy to check a service call in an old apartment building. The main panel was from the early 80s, and I figured I'd find a few hot spots on the breakers. I scanned the whole thing and the hottest thing in there, by a solid 15 degrees, was the neutral bar. Not a single breaker showed an issue. It made me stop and actually trace the circuits, and I found a shared neutral on two separate 20 amp kitchen circuits that was way overloaded. I've been in the trade for 12 years and just assumed breakers would show the heat first. Has anyone else had a thermal scan point them to a neutral problem instead of a load side issue?

Rant: A 1920s house in Tacoma made me rethink how I look at floors

Spent two full days tracing a dead circuit only to find the original knob and tube run under the original hardwood, not through the walls. Has anyone else had a floor hide a major wiring surprise?

A call from a guy in a 1980s split-level changed how I look at old aluminum wiring

Got a service call last week for a flickering kitchen light in a house built in '83. Homeowner, an older guy named Frank, said he'd lived there since new and 'never had a lick of trouble.' When I opened the panel, I saw the old twist-on connectors on the aluminum branch circuits, and some were already looking gray and chalky. I pointed it out, and Frank just shrugged and said, 'It's been fine for forty years, son.' But when I pulled one apart, the wire was brittle and the connection was clearly degraded. He got quiet for a minute, then told me his neighbor's place had a small fire two years back from the same thing. He said, 'I guess forty years of 'fine' doesn't mean safe forever.' That stuck with me... it's easy to get complacent when something works, even when the code and the materials have moved on. How do you guys approach explaining this kind of long-term corrosion risk to homeowners who don't see an immediate problem?

Remembering the old wire nuts versus the new push-in connectors

I was rewiring a 1960s house in Tacoma last fall and found the original twist-on wire nuts. They were fine, but I had a box of the newer push-in connectors with me. The push-ins cut my time on each outlet by about half, maybe 15 seconds per connection, and the grip feels more solid. It's hard to go back to twisting after that. What's your go-to for simple splices these days?

Appreciation post: The homeowner who asked me to install a 'light switch for the sun'

I was doing a kitchen rewire in Akron and the guy pointed at the window, asking for a switch to turn off the daylight. Ever had a customer request something that just made you pause and laugh?