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Overview of my Grandparents' Garage
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Here's a self-requested pic of the whole garage. LOL This shows a better view of how the lights are arranged and the tunnel-like or oversized hallway like appearance the garage has. Can you figure out which of the two tubes are Sylvania cool white deluxes? The other four are True Value (GE) standard F40/CW lamps.
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Yeah it's a pretty cool garage. You can see the sliced out piece of ceiling... that's because the lights were originally wired with romex but he didn't realize he had to wire them with EMT. This wasn't known until the garage was finished so rather than rip out the whole ceiling he went into the space between the ceiling and roof and installed EMT. Each light has it's own switch too. The switches are black and are the tough old-school commercial style switches with spring contacts (i believe) and have a black switchplate.
Originally, the garage was 1-car. you can see where the original garage ended (where there's a height change in the ceiling). The old part of the garage was completly redone though since it was too narrow so the whole garage is the same age, though that doesn't explain the difference in ceiling height...
You can also see a plank of wood stuck above the first light so it's level. The plank is bolted to the ceiling and the fixtures is drilled into the plank on that end. On the other end, it's simply drilled into the ceiling liek the other two lights.
The reflectors are in different conditions too. The first fixture closest to the door has a pretty soiled reflector (see the pic of the True Value lamp) while the one all the way in the back has a spotless reflector (see the Sylvania CWX pic). the one in the middle is in between.
What's the difference between regular drywall and fireproof drywall? I thought drywall was fire-resistant in general...
I know a lot about house construction, though; I wonder if he could use regular plastic vapor barrier under this?
Maybe drywall is fireproof, but either way whatever he used was fireproof. What is vapor barrier?
these must have only been a few years old when they were removed then since they were removed in the 80s iirc...
i'd imagine they'd work fine with T8 as well.
Why do sockets have to be shunted when converting to T8 anyway? IS doesn't use the filaments at all doesn't it?
T8 instant start need shunted sockets to avoid hot spots in the end seals during operation. These hot spots might lead to vacuum loss (and sometimes lamps cracking and falling out) at EOL.