Coaster Switch

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bennie

Esteemed Member
Re: Coaster Switch

Briarwood: Are you referring to a "coast 3/way?"

If so, it is a travelling bus 3/way. One traveller is active (hot) all time. It is legal.

[ April 25, 2003, 11:48 PM: Message edited by: bennie ]
 

ronaldrc

Senior Member
Location
Tennessee
Re: Coaster Switch

Travelling%20Bus%20threeway.gif
 

ronaldrc

Senior Member
Location
Tennessee
Re: Coaster Switch

Hi Bennie this is your drawing.

Very unique and different would be a night mare to trouble shoot if you didn't know what you where working with.

Some might confuse it with the chicago threeway. But this switch would be legal the neutral is not being switched and the polarity is not switched on the light sockets.

I guess you could say just another way of skinning the cat. Takes the same amount of conductors to do the same switching action as the conventional circuit.

But I like it.

My mistake it has got its advantage if you want the light at the house it takes one less conductor to do it this way.

Ronald :roll:

[ April 26, 2003, 10:18 PM: Message edited by: ronaldrc ]
 

bennie

Esteemed Member
Re: Coaster Switch

Ronald: The four wires is the reason for this being popular on farms with outbuildings.
Use the barb wire fence for a neutral and you only need three wires. ;)

I know of three ways to wire three ways. :eek:

Two ways are legal, one way is not.
 

bennie

Esteemed Member
Re: Coaster Switch

During the Rural Electric Administration days in the 30s, receptacles were not grounded.
 

bennie

Esteemed Member
Re: Coaster Switch

Mike: Some of the distances were quite far. There was some services with both 140 and 120 volts. The 140 was for the outbuildings.

An equipment ground, in many cases, would not blow the fuse on a dead short.
 

ronaldrc

Senior Member
Location
Tennessee
Re: Coaster Switch

Mike I show the ground and neutral they are one of the wires on the barbed wires on the fence. :roll: Like Bennie said its a farmers circuit.

Ronald

[ April 26, 2003, 11:16 PM: Message edited by: ronaldrc ]
 

jxofaltrds

Inspector Mike®
Location
Mike P. Columbus Ohio
Occupation
ESI, PI, RBO
Re: Coaster Switch

I am not familiar with 140 volt systems.

How or what would one do if they where to come across one of these systems or are they no longer used.

Where there any stray voltage problems with the above example?

Mike P. Always learning
 

ronaldrc

Senior Member
Location
Tennessee
Re: Coaster Switch

Bennie this is so far back I can't remember how they got that 140 volts for the outhouse light didin they use a buck boost? Some of these out Bldgs. where a long way from house because of the odor.

Ronald :D
 

bennie

Esteemed Member
Re: Coaster Switch

Ronald: This reminds me of the old story about the American Indian electrician. This individual returned to his homeland for a visit. He noticed many of his people were getting injured from falls, at night, when visiting the outhouse.

He decided to install electric lights in all the outhouses. He became the first American Indian to wire a head for a reservation.

[ April 26, 2003, 11:45 PM: Message edited by: bennie ]
 
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