c/electricians

Question about GFCI trips in a 1970s kitchen rewire

I was working on a kitchen remodel in an old Portland bungalow last month. The homeowner wanted new outlets, so I started swapping the old ungrounded ones for GFCI protected ones. Every time I hooked up the fridge circuit, the GFCI would trip instantly. Took me 2 hours to trace it back to a tiny nick in the old NM cable where it passed through a floor joist, grounding out to a nail. I had to re-run about 15 feet of 12/2. Has anyone else found hidden damage like this when updating old kitchen wiring? What's your go-to move for checking the whole run before installing the new device?

Can we talk about using a thermal camera on a service call yesterday?

I found a hot spot on a neutral splice in a 100-amp panel that was only finger-warm to the touch, but the camera showed a 15-degree difference. Anyone else had a thermal find something you totally missed by hand?

Bought a $400 thermal camera for my phone and it paid for itself in a day

I was on a service call for a hot breaker in an old apartment building last week. Could not find the problem with my regular tools. Grabbed the thermal camera I just got, scanned the panel, and it showed a bad connection on a neutral lug glowing hot. Fixed it in ten minutes. The owner was so happy he gave me two more jobs. Anyone have other good uses for these besides panels?

I used to think all wire nuts were basically the same, but a job in a 1920s house changed my mind

For years, I'd just grab whatever cheap yellow or red nuts were in the truck. Then, about three years ago, I was rewiring a whole floor in an old Seattle craftsman. The original cloth wire was brittle, and my usual nuts kept slipping off or cracking. I switched to the tan Ideal Wing-Nuts for that job because they were gentler. The difference in grip and how they seated on that old wire was huge. Now I keep a few different types on hand for specific situations. Anyone else find themselves using more than one kind of connector depending on the wire age?

Vent: The amount of guys who think a wire nut is just 'tight enough' is wild

I was fixing a flickering light in a house in Tempe, and the whole problem was a single red wire nut on a 12/2 splice that you could pull apart with your fingers. The guy before me must have just twisted it twice and called it good. That's not a connection, it's a fire waiting to happen. I always twist the wires together with my Kleins first, then twist the nut on until it's solid. How many of you actually check every splice you find, or just trust the last guy?

The week we had to rewire a 1920s theater in Tacoma with no prints

Chatting with a solar guy made me rethink my whole take on battery installs

I was having coffee with a solar installer named Dave from the next town over, and he said something that stuck with me. He told me, 'We're putting in so many backup systems now, the real cost isn't the battery, it's the panel upgrade to feed it.' He showed me a job from last month where the 200 amp service upgrade added almost $3,000 to the total bill. I always figured the battery unit itself was the big ticket item, but he's right. It's making me look at load calculations for these jobs in a whole new way before I even give a quote. Has anyone else run into this and started quoting the service work separately first?

Finally got the old panel at the Maple Street job to stop buzzing

It was a 1970s Federal Pacific box that had this low hum you could feel in the floor... I swapped out the main breaker and every single stab-in connection for new ones over two afternoons. The quiet when I flipped it back on was amazing. Anyone else have a go-to method for silencing those old noisy panels?

My journeyman told me to always check the panel schedule before touching anything, and it saved my bacon yesterday.

He said that about five years ago, and I admit I got lazy with it on simple jobs. Yesterday, I was replacing a light fixture in a 1970s house. The schedule said 'Kitchen Lights' on breaker 14, but when I killed it, the fixture was still hot. I traced it back and found it was actually on breaker 22, labeled 'Garage Outlet', with a junction buried in the wall. If I hadn't checked the schedule first, I would have assumed the right breaker was off and gotten a nasty surprise. That extra five minutes of verification kept me safe. Has anyone else found a panel schedule that was just completely wrong?

I spent $450 on a thermal camera for my phone and it found a hot splice in a wall

I was working on a house in Phoenix last month, the homeowner kept saying a light switch felt warm. I checked the usual stuff, voltage was fine, connections seemed tight. I was about to write it off until I remembered this little thermal camera I bought that plugs into my phone. I scanned the wall and there it was, a clear hot spot right behind the switch plate. Popped it open and found a backstabbed wire on the switch that was just starting to arc and melt the plastic. That little gadget paid for itself right there, maybe even stopped a fire. It's not perfect, but for finding overloaded circuits or bad connections inside walls without tearing them open, it's a game changer. Has anyone else used one of these for troubleshooting, and what kind of stuff have you found with it?

Just realized I've pulled over 10,000 feet of 12/2 Romex in the last month alone.

My boss told me to always use a torque screwdriver on panel lugs, but I thought it was overkill

He insisted on it for every main panel job, saying it prevents hot spots and connection failures down the line. I finally listened on a big rewire in a 1970s split-level last month, torquing every lug to the spec on the panel label. When we came back to add a circuit two weeks later, the whole panel was cool as a cucumber, no signs of heat stress at all. It added maybe ten minutes to the job but clearly made a difference. Has anyone else found a specific tool or step that seemed like extra work but actually paid off big time?

My neighbor's old knob and tube wiring finally gave out last Tuesday

The house was built in 1928 in Springfield and they never updated it... the insulation just crumbled after all these years. I saw the scorch marks on the joist in the attic, and the old cloth wire was completely bare in spots. How do you even start that conversation with a homeowner who thinks it's 'still working fine'?

That call for a flickering light in a 1920s Seattle bungalow turned into a full rewire nightmare.

Found knob and tube spliced with cloth Romex that was crumbling, and the homeowner's budget was only $500. How do you even start that conversation about real cost versus safety?

Shoutout to the inspector who flagged my old work in a Tacoma remodel

I was sure the existing knob and tube in the attic was dead, but he insisted on a full check. His meter showed 45 volts still on a line I thought was disconnected. Has anyone else found live voltage in supposedly abandoned wiring?

I thought those new push-in wire connectors were a total gimmick

My boss bought a box of Wago 221s last year and I rolled my eyes, thinking they were just for lazy people. Then I had to troubleshoot a three-way switch in an old house with a dozen splices in a tiny box. Using those connectors to test each wire without cutting and re-stripping saved me over an hour. I still use wire nuts for most things, but I keep a few in my bag now. Anyone else have a tool they hated until it saved their butt?

Shoutout to the old timer who showed me the right way to pull wire in a 1920s house

Honestly, I was fighting this old knob and tube replacement in a Portland bungalow for two days, getting maybe 15 feet an hour. He came by, watched me for five minutes, and just said 'kid, you're fighting the house, not working with it'. He showed me how to use the existing plaster lathe gaps and I finished the whole second floor run in three hours. How do you guys handle those old plaster walls without tearing everything up?

Rant: Tried to use my old analog meter on a new smart panel and it just laughed at me

I was helping my cousin rewire his garage in Akron, and his house has one of those new smart panels with all the digital readouts. I pulled out my old Simpson 260, the one my dad gave me, thinking I'd check a voltage. The needle just sat there, didn't budge at all. Turns out the panel's output was some kind of pulsed DC for the smart stuff, not a clean sine wave. I had to borrow his cheap digital meter to get a reading. Has anyone else run into this with older test gear on new systems?

Had a 30-year-old Federal Pacific breaker finally let go in a 1970s panel I was updating last Tuesday.

It was feeding a kitchen circuit. Heard a pop, saw some arcing at the bus. Had to kill the main, pull the meter to be safe, and swap the whole panel. Makes you miss the simple screw-in fuses sometimes, even with all the safety gains. What's the oldest panel you've had to fully replace recently?

I finally switched from a regular drill to a right-angle drill for tight spots

I was trying to run some 12/2 through a packed header in an old Philly rowhouse last week. The right-angle drill got the hole done in maybe 30 seconds, where my regular drill just couldn't fit and I was about to start cutting drywall. Anyone else have a go-to tool for impossible spaces?

Just realized using a thermal camera for a panel check beats the old 'feel for heat' method every single time

I was doing a service call in a 70s split-level last week, and the homeowner mentioned a faint smell. My old way was to just feel the breakers and lugs with my hand, maybe use a temp probe if I was being fancy. This time, I pulled out my Flir One thermal camera that hooks to my phone. In two minutes, I spotted a single breaker on the kitchen circuit running at 185 degrees while the others were cool. The heat pattern showed it was a bad connection at the bus, not just an overload. My hand never would have felt that specific spot without burning myself, and a probe would have taken forever to scan each point. It turned a guess into a fact. I fixed it before it became a fire. Has anyone else made the switch and found stuff they would have totally missed?

Stuck on whether to recommend full home rewires for efficiency

One side says rewiring older houses with new, efficient systems saves a ton of energy over time. The other side points out that producing all that new copper and plastic has a big environmental hit from mining and factory waste. I keep flipping on this during estimates. How do you guys handle it?

Untangled a three-way switch mess in a vintage home

Honestly, this old house had switches that never worked right. The last owner tried to wire them himself and messed up the traveler wires. I spent time tracing each line back to the box. After I labeled them all, I hooked everything up the correct way. Now both switches turn the light on and off like they should. Felt really good to sort out such a messy job. Always take a minute to tag your wires before you pull them apart.

Update: My mentor's trick for finding hidden junctions still saves me time

We used to tear into walls, but his trick points right to the spot.

Swear I'm not crazy, but I think old fuse boxes get a bad rap

Had a house with original fuses that passed inspection fine. People act like you must swap them out, but if they work, why fix what isn't broken?