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4 Pin Starter Sockets!

4 Pin Starter Sockets!

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I got these about a week ago. Unfortunately, they only have two contacts, so I’ve got to put some extra ones in to use these with thermal starters. Does anyone here have a good method for getting the nails that hold the back phenolic cover on off? I’d prefer not to break the phenolic sheet, and since it’s quite brittle, I’m struggling to get it off.

Notice how the right two have solid copper screws and contacts. I’ve never seen copper used for them before.

E8D8A0E7-17DB-41B0-8AC3-412D0E327293.jpeg 6C0D6502-4438-464E-BBE6-24D2BC300057.jpeg 4BAF0D66-D158-4EAE-88A1-20D7305070AF.jpeg 7392E0CD-51CB-4880-A6D8-2FAE02353B7A.jpeg

Light Information

Light Information

Manufacturer:Bryant
Fixture
Socket Type:Four Pin Starter Socket
Electrical
Wattage:660w
Voltage:250v

File information

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Album name:Mr. Orthosilicate / Ballasts, Sockets & Other Gear
Keywords:Gear
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Date added:Jan 26, 2020
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Date Time:2020:01:23 11:50:04
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sox35
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Mainly the electrical side of things


missriaelaine
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Jan 26, 2020 at 04:45 PM Author: sox35
I wonder if they're the same type of 4-pin sockets we had over here back in the day..? I could use one to test the Atlas Starter Lamp I got off eBay a while ago, but not seen any over here at all.

Ria in Aberdeen
It'll be all right in the end, and if it isn't all right, it isn't the end Love

Alex
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Mit dem Osten Siegen!


Alex_lightning jurgenneandertal
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Jan 27, 2020 at 12:16 AM Author: Alex
I think you must drill the rivets out and then rerivid it for example with hollow rivets

Lamp and Valve collector

Fluorescent05
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Zack


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Jan 27, 2020 at 06:22 AM Author: Fluorescent05
Why do air thermal starters need 4 wires?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Mr. Orthosilicate
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Feb 09, 2020 at 06:43 PM Author: Mr. Orthosilicate
Two of the wires are connected to the heater coil, and the other two are the starter contacts. The heater coil is wired between the ballast and the lamp, so it is always on.
Fluorescent05
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Zack


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Feb 09, 2020 at 07:19 PM Author: Fluorescent05

Two of the wires are connected to the heater coil, and the other two are the starter contacts. The heater coil is wired between the ballast and the lamp, so it is always on.

So how does the starter open if the heating coil is always on?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

Mr. Orthosilicate
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Feb 21, 2020 at 09:01 PM Author: Mr. Orthosilicate
The starter has normally closed contacts, as opposed to the normally open ones in a standard glow starter. After the starter heats up, the contacts open, staring the lamp, and the current through the heater coil to the lamp continues, keeping the switch open. Should the lamp fail to light, the coil would have no current flow, and the starter would eventually cool down and the contacts would close. It would continue to attempt to start the lamp until it lit or the starter failed, but the sequence is much slower compared to a glow starter.
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