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tonyfm

03:23PM | 04/13/04
Member Since: 04/12/04
2 lifetime posts
Bvelectrical
How do i wire a central vac system. It uses 2 outlets, and 2 dustpans. I want the unit to be energised from any of the devices (dust pan, or outlet)

bcelect

08:03PM | 04/13/04
Member Since: 02/21/04
138 lifetime posts
It uses two wires, all the inlets are wired in parallel. There is no polarity in the leads coming from the inlets or pans. Some central vac. wire is a twisted pair cable, one tinned copper and one copper. It dosen't matter which color conductor is wired to which pigtail.

tonyfm

03:00PM | 04/14/04
Member Since: 04/12/04
2 lifetime posts
Can u explain Parallel?

bcelect

04:25PM | 04/14/04
Member Since: 02/21/04
138 lifetime posts
Well, if you looked at how your receptacles are wired, they are in parallel. One wire goes to one side of the receptacle and the other wire goes to the other, then the wire leaving the box feeds the next receptacle and, so on, and so on. All the devices are daisey chained through from start to finish.

As the central vac wires go, if you were to wire one inlet with a pair of wires straight to the power unit. then add a second one and daisey chain the wires, and so on. Check out this site: http://www.gcse.com/circ6.htm
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