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Old 02-07-2017, 07:38 PM   #21
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Old 02-07-2017, 08:10 PM   #22
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What do you think came after these ceramic devices, bakealite?
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Old 02-07-2017, 08:26 PM   #23
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What do you think came after these ceramic devices, bakealite?
Absolutely!
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Old 02-08-2017, 04:28 PM   #24
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Old 02-08-2017, 10:55 PM   #25
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Those things are so cool. I have a few of them.
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Old 02-08-2017, 11:15 PM   #26
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Those things are so cool. I have a few of them.
A lot of engineering in a real small space for when they were made.
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Old 02-14-2017, 11:14 AM   #27
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"Vintage"? Yep! A whole plant full of it! Most of it is still in service, too.

These pictures have taken a long road to get here, so I have no idea what size they will end up being.

An Allis-Chalmers 2400 volt. Not sure if it's properly a disconnect, or a circuit breaker?




And an LA-600. Same MCC.



Remnants of an old starter. I couldn't get into the buckets of any of the energized ones, because the latches take a special touch to open when they're live.



Fun fact: any time the line side of the starter is live, those two bolts on the front of the frame are energized! I found that out the hard way....


For those who may not have seen one, this starter works by pulling up instead of in.



The line side is near the bottom, the load contacts are there near the top of the photo, and the armature coil is right out in front. They tapped one of the phases for control voltage. I don't remember exactly what it was, but it was well over the 120 that I was expecting!

Last, and hopefully best, is this beast:






An old GE air circuit breaker. Still in service, just tripped right now, because the air compressor it was powering burned it's motor up.

Downstream of this is a soft-start unit that's less than ten years old.
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Old 03-18-2017, 04:17 PM   #28
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Old 03-19-2017, 04:28 PM   #29
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Old 03-22-2017, 07:02 PM   #30
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For those who may not have seen one, this starter works by pulling up instead of in.
VLGD.
Vertical Lift, Gravity Dropout.
Allen Bradley 509 NEMA starters are the only ones that still use that method. So far, gravity has never failed.

(Although it does suck...)

AO Smith / Clark Controls... they went under just before I got in the business, I spent a lot of time at a steel mill yanking them out to install A-B starters, because even by the late 70s, nobody had parts in stock any longer.

By the way, those two bolts on the front are NOT supposed to be hot! Most likely you are getting some tracking across all that dust.
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Old 03-23-2017, 01:10 PM   #31
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What was the panel housing made from? We replaced one similar to this in St Augustine where the front door was oak with a thin metal veneer on the inside but the actual panel back and sides were 1/2" thick slate.
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Old 03-23-2017, 01:16 PM   #32
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What was the panel housing made from? We replaced one similar to this in St Augustine where the front door was oak with a thin metal veneer on the inside but the actual panel back and sides were 1/2" thick slate.
The panel itself is slate the doors clearly oak. Working in old houses in NJ and NY where electric was first installed in this country I've seen some very unique panels, I only wish I had taken pictures of them all.

Some of the mansions in Rumson NJ (a very affluent town) had panel boards and transformers in the basements that rivaled Frankenstein's lab for odd looking antique switch gear.
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Old 04-01-2017, 12:39 AM   #33
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[IMG][/IMG]
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Old 04-12-2017, 08:32 AM   #34
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Still in use:

[IMG][/IMG]
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Old 04-13-2017, 12:19 AM   #35
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What was the panel housing made from? We replaced one similar to this in St Augustine where the front door was oak with a thin metal veneer on the inside but the actual panel back and sides were 1/2" thick slate.
Careful on some of those older panels, worked for a company that thought the slate looked weird... turns out it was asbestos......
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Old 04-23-2017, 07:33 AM   #36
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Careful on some of those older panels, worked for a company that thought the slate looked weird... turns out it was asbestos......
Slate and marble should be easy enough to identify by colour and smooth surface and asbestos should have a textured surface.
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Old 04-23-2017, 07:34 AM   #37
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[IMG][/IMG]
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Old 04-23-2017, 07:35 AM   #38
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Old 04-23-2017, 07:39 AM   #39
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Careful on some of those older panels, worked for a company that thought the slate looked weird... turns out it was asbestos......
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Slate and marble should be easy enough to identify by colour and smooth surface and asbestos should have a textured surface.
So ... what would you do different working on an old asbestos panel?
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Old 04-23-2017, 08:16 AM   #40
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So ... what would you do different working on an old asbestos panel?
Wet the asbestos down with a spray jug of water if removing it to keep the dust down and place it inside a hazmat bag.

I don't do the tyvek suit and all that bs.

I mixed asbestos cement with water by hand as a youngster and don't have ling problems, yet.
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