c/alarm-system-installers

Found a faster way to mount keypads on drywall, took 2 hours off a job

Been doing commercial installs for years and always used the plastic anchors that come in the box, but they kept spinning on me in this new building with that thin drywall. Last week I tried those self-tapping metal anchors with a hex driver bit instead of a phillips, and both keypads went up in like 15 minutes total after I stopped messing with pre-drilling. Anyone else switch to a better anchor for hollow wall mounts, or do you just stick with the toggle bolts and deal with the extra work?

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leelewis•1d ago

Tripped a cellular dialer with a drill bit, customer stood there laughing

Last month I'm running a new loop in a finished basement in Columbus, drilling through a stud about chest high. I hit something that didn't feel like wood, pulled the bit out, and the panel behind me starts beeping like crazy. Turns out the customer's old alarm had a cellular communicator mounted flush on the other side of that wall, and my 3/8" bit went straight through the antenna feed line. The unit was still live because nobody ever pulled power, so it started sending a tamper signal to the central station. Customer just stood there with a beer and said, 'Well, at least I know it works.' I had to tell the monitoring company it was a false alarm, replace the communicator out of pocket, and patch drywall. That cost me about $210 in parts plus two extra hours I didn't bill for. Now I always run a stud finder set to metal detection before I drill anywhere near an existing panel. Has anyone else ever drilled into a hidden wire or radio and had the customer watch instead of helping?

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christopher_coleman17•2d ago

My mentor swore by lithium batteries for every panel, I finally see why

When I started 3 years ago, my old boss kept insisting on lithium for all our residential panels, even though the cost is triple. Last week I swapped out a 8-year-old sealed lead acid that tested fine but kept causing nuisance false alarms, the voltage sag was the culprit. Has anyone else found lithium worth it on tight budgets, or do you stick with the cheap stuff?

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ray648•9d ago

Hardwired in a 1920s schoolhouse, network guy said just use wireless

Had a job last month at an old school in Dayton converted to offices. The customer's IT guy kept pushing mesh nodes, said drilling through plaster was a waste. I ran one pull from the panel to the back office and it took us 3 hours because of fire blocking and lathe. He stood there watching, then said, "You know that's gonna fail in five years, right?" I told him wireless dies in five years too, just differently. Which side are you on when the walls are this old, do you fight for cable or let the network guys win?

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rileygonzalez•10d ago

Wireless vs hardwired on a retrofit in Philly, one was a nightmare

Just finished a 12-door retrofit in an old row home and hardwired was 3 hours faster than the wireless panel I used last month in Jersey. The brick walls and plaster killed the RF signal so bad I had to re-run half the zones anyway. Anyone else finding wireless only works when the building is less than a century old?

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stellabennett•13d ago

Spent 4 hours chasing a ground loop in a Denver basement job

spent four hours on it total, and the fix took fifteen minutes once I saw the pipe. I'm just annoyed I didn't check the ground path first because I always tell apprentices to do that. The customer was cool about it but I could tell he was getting tired of me walking back and forth to the van. I ended up charging him half the labor just to keep the peace, which stung. Any of you ever had a similar gremlin that turned out to be a shared ground with an appliance?

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christopher67•14d ago

Saw an old panel at a coffee shop in Raleigh and it hit me different

Walked into this spot for a latte last Tuesday and there was still a 20 year old Ademco panel on the wall, no keypad even, just some faded sticker, and it made me wonder how many of us are still babysitting legacy systems that the homeowner forgot about entirely, has anyone else run into a setup like that recently?

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morgan_lewis18•16d ago

Hit 500 commercial installs and that number changed how I bid jobs

I crossed 500 commercial alarm installs last Thursday on a bank job in Toledo, and it hit me that my material cost estimates were off by about 12% on average the whole time. That milestone made me go back through my spreadsheets and I found I was undercharging for conduit and wire pulls on anything over 30 zones. Anyone else hit a number like that and totally reworked their pricing model after?

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haydenburns•16d ago

Hotel install in Vegas, the front desk bypassed our alarm panel twice

I did a retrofit at a 400-room place off the Strip last month, and the night manager kept hitting the panic button to test it without telling us. They tripped the dialer twice during setup, which sent dispatch out and cost the client a false alarm fine. How do you guys handle customers who mess with the system before the final walkthrough?

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lisa_brown•16d ago

Customers expect cellular backup to work in a power outage? Discussing my Tuesday

Last Tuesday I had a service call in a suburb outside Columbus where the power had been out for six hours. The homeowner was upset their cellular alarm panel had gone silent, but the cell tower near them was on generator power and still broadcasting. Their panel had a battery backup, but it died after four hours because it was three years old and had never been load tested. In my experience, most homeowners assume cellular equals bulletproof, and they don't realize a dead panel battery kills the whole system. The other side of this is we as installers often skip the honest conversation about battery life because it feels like a sale killer. I've seen guys quote a $60 battery swap and lose the job to a cheaper bid. So my question is, do you all schedule regular battery checks into your maintenance contracts, or are you just waiting for the phone to stop ringing at 2am? I'm curious if charging for testing upfront has changed anyone's business. Take this with a grain of salt, but I've started pushing a flat $40 quarterly checkup and it's cut my emergency callouts by about half.

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leer12•21d ago

Panel firmware updates: is 5 years the breaking point for reliability?

I used to update every panel firmware at install, but over the last 3 years I've seen two sites where a fresh update introduced false alarms that the older version never had. One customer in Phoenix had a DSC unit that was rock solid for 4 years, then an update made the motion sensor go off at 3am every night. Do you roll back to factory versions or just stick with whatever the manufacturer pushes out now?

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wendyw71•28d ago

That old church job in Dayton changed my whole panel setup

Back in 2018 I had to rewire a 1970s church alarm in Dayton because the old system was a mess of spliced wires and dead zones. The place had three separate additions built at different times, and the original installer never labeled anything. We ended up running 14 zones and it took us 3 full days just to map where everything went. After that I started photographing every panel and writing the zone list on the inside cover with a sharpie. Has anyone else hit a building that made them change their standard install routine?

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dylan265•29d ago

Went to a job site in Raleigh and they had wireless sensors everywhere

I stopped by a new construction site over at the Wakefield subdivision and every single door and window had a wireless sensor on it. The installer told me it saved them 3 days of labor compared to running wires. I still don't trust the battery life on those things though, especially in the NC humidity. Has anyone else had trouble with wireless dropout in commercial buildings?

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karenf40•29d ago

Called BS on wireless sensors until a bank retrofit changed my mind

I used to swear by hardwired everything. Thought wireless was for homeowners who didn't want to drill. Then last spring I had to wire up a 1980s bank building with concrete walls 18 inches thick. Drilling for one sensor took me 45 minutes with a hammer drill. Switched to wireless on the rest of the job. Saved something like 12 hours total and the signal held perfect through those walls. I still prefer hardwire for new builds but for retrofits like that? Wireless is legit. Anyone else come around on something you wrote off for years?

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ryanh77•29d ago

Neighbor in Omaha made me rethink how I wire motion detectors

Was chatting with a retired electrician named Gary last weekend while I was installing a system on his street, and he pointed out I was running my wires too close to the AC lines. He said 'you're asking for false alarms every time that compressor kicks on', and honestly I'd never even thought about EMI messing with my zones. Has anyone else had a neighbor or random person drop some knowledge that changed how you do a basic install?

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leo107•1mo ago

That 20-year-old DSC panel finally bit the dust on me yesterday

I had a residential call where the keypad kept chirping random codes and the system wouldn't arm. Turned out the main board had a swollen capacitor that looked like it was gonna pop. Anyone else run into old DSC boards failing like this or did I just get unlucky?

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reed.ray•1mo ago

TIL that "wireless" alarm panels still need hardwired power in most commercial jobs

Overheard a new guy at the supply house bragging about a fully wireless install for a strip mall in Phoenix. Tried to tell him those commercial fire code requirements will still force him to run 12V lines to every panel and he just laughed. Anyone else deal with customers who think wireless means zero wires?

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theaw65•1mo ago

Update: Switched from screw terminals to Wago connectors on panel wiring

I used to spend all day stripping wires and tightening screw terminals for every sensor and keypad connection. Six months ago I tried Wago 221 connectors for a 32-zone panel install in Denver. Cut my wiring time by about 40 percent and had zero loose connections on callbacks. The lever action makes testing circuits way faster too. Has anyone else made this switch and noticed a difference in your service calls?

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drew_grant52•1mo ago

Had a customer follow me around their whole house after a install

Last month I was putting in a full wireless system for a older couple out in the suburbs and the wife kept trailing me from room to room asking if each sensor was facing the right way. She finally stopped me in the hallway and said "my son said you guys just drill holes anywhere and I want to make sure you're not ruining my paint." Has anyone else run into customers who micromanage every step of a basic install?

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the_kim•1mo ago

Just realized I was wiring motion sensors in series all wrong

For 5 years I had been daisy-chaining motion sensors on my commercial installs in downtown Portland, and they were always tripping false alarms. Last week a building manager showed me his old system using parallel wiring with a common resistor, and the false alarms stopped completely. Any other installers run into this issue with their motion setups?

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claire_campbell•1mo ago

Am I the only one who thinks hardwired systems are still better than wireless for most houses?

Talked to a new guy last week who swore wireless was the future, but after helping him troubleshoot three dead sensors in a single afternoon I told him I'd take running a few extra wires over swapping batteries every six months any day.

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lilyfisher•1mo ago

Old timer told me I was overthinking my sensor placements.

He said just put them where a burglar would naturally step, not on every single window, and my false alarm rate dropped from 3 a month to zero after I changed my approach last spring - anyone else get advice that made you strip down your installs?

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sethp26•1mo ago

That one customer who called me out for sloppy wire management back in 2017

Ngl I used to just run wires however was fastest until a homeowner pointed out a bundle looked like spaghetti behind their panel. Now I spend an extra 15 minutes per job using zip ties and conduit and it actually looks professional.

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christopher_coleman17•1mo ago

I finally bought a decent cable toner instead of the cheap one

Spent $180 on a Klein Tools VDV500-820 after frying my third $30 unit on a commercial job. Thing paid for itself day one when I found a break in a buried trunk line in under 10 minutes instead of an hour. Anybody else shell out for pricier test gear and wonder why they waited so long?

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grant_gibson•1mo ago

That Thursday in March where every panel firmware bricked on me

I had three DSC panels in a row go belly up during firmware updates last Thursday. First one froze at 23% and just sat there blinking at me for 20 minutes. Second one gave me a error code I've never seen before after I cycled power. Third one actually finished the update but then wouldn't register any zones. Took me till almost 7 PM to get them all sorted out with tech support on hold. Has anyone else had a run of bad luck with firmware updates on those newer panels?

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