71   Lamps / Vintage & Antique / Re: Request for correct arc-tube size of mercury lamps  on: February 25, 2024, 04:30:19 PM 
Started by lights*plus - Last post by wide-lite 1000
 100w is easy as they come in a smaller bulb size than the 175/250w . Mogul base 100w will have either a ED-23 1/2 or BT-25 bulb .  100w arc-tube is rather tiny : 2 1/2" total length roughly 7/16" dia. . 175w tube looks to be roughly 3 3/8" total length  , roughly 1/2" dia.  . 250w tube looks to be 4" total length roughly 5/8" dia. .

 Hope this helps !
 72   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 03:25:34 PM 
Started by 108CAM - Last post by Mandolin Girl
Hey, I was doing the work when my flat mate was away, I did not expect them to come home a day early and put the power back on.!  :o :poof:
I thought that a locked front door would be enough.!! :sadbulb:
 73   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 03:08:35 PM 
Started by 108CAM - Last post by Laurens
Even at home, lock out - tag out procedures are really valuable. In my case it's as simple as taking the key to the closet in which our fuse panel is situated with me. Switch off the circuit, don't trust on a light switch that anyone can just flip.
 74   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 03:01:21 PM 
Started by 108CAM - Last post by Richmond2000
ouch is right
he is fine but is traumatized by electricity now

edited to fix a type
 75   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 02:59:48 PM 
Started by 108CAM - Last post by Mandolin Girl
Oww.! :poof:
 76   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 02:58:50 PM 
Started by 108CAM - Last post by Richmond2000
a co-worker I worked with was replacing the light fixture over there front door and was up in the attic doing the wiring when the wife came home and turned the lights on - the EMT had to cut there way into the loft to get a VERY injured victim out as the power made has body contract and he was impaled on the under side of the roofing nails and that is in 110-land - he now jokes about "pulling the meter" to change a light bulb
 77   Lamps / Vintage & Antique / Re: Request for correct arc-tube size of mercury lamps  on: February 25, 2024, 02:55:26 PM 
Started by lights*plus - Last post by Philips tigkas
I have some 250w and some 125w but are all frosted so I can't really tell.
 78   Lamps / Vintage & Antique / Re: Request for correct arc-tube size of mercury lamps  on: February 25, 2024, 02:52:59 PM 
Started by lights*plus - Last post by Philips tigkas
Interesting :wndr:
 79   Lamps / Modern / Re: Is it true that 18w SOX lamps can run off a F18T8 ballast and starter?  on: February 25, 2024, 02:51:55 PM 
Started by 108CAM - Last post by Mandolin Girl
Take care, think twice before mucking around with mains voltage. I've been doing this for 15 years without getting a single zap from mains. I'm confident in my ability to keep it that way but even at 110v you can get stuck on a live wire and be fully concious the entire time you're dieing. Most don't die obviously but... yeah.
I wish I was as lucky as you.!  :short: :poof:

Luckily I was crouching when I got the belt, and was thrown off the socket I was replacing when the power was turned back on unexpectedly, otherwise...  :DeAtH: :DeAtH: :DeAtH:
 80   Lamps / Vintage & Antique / Re: Info on old streetlight bulb  on: February 25, 2024, 02:48:52 PM 
Started by alan39 - Last post by Philips tigkas
These lamps look so cool with that shape of glass envelope. :mvc:
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