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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Electrical Questions >> connect two 2 lamp T8 ballasts https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1279638650 Message started by DiverDoc on Jul 20^th, 2010, 4:10pm

Title: connect two 2 lamp T8 ballasts
Post by DiverDoc on Jul 20^th, 2010, 4:10pm

Greetings electrical gurus!

I would appreciate some assistance:

I am upgrading a 4 four foot T12 bulb 2 magnetic ballast fixture to contain T8 bulbs and new electronic ballasts. In the fixture, one ballast powered the inner two bulbs and the other the outer two bulbs.

Problem:

I brought the ballasts home tonight and found they lack all the wires my old ballasts had.

These are Sylvania Quicktronic QTP 2X32T8/UNV ISN-SC ballasts.

They have on one end a red and a white wire, and on the other, two blue wires.

How do I wire the two ballasts to power the sockets? I have the usual one white and one black power wires entering the ceiling fixture.

I would sure appreciate some guidance.

Thanks!

Title: Re: connect two 2 lamp T8 ballasts
Post by plugwash on Jul 22^nd, 2010, 11:20am

hmm accroding to the manual I found that ballest should have a black and white for power input, a red that goes to one end of each tube ( http://assets.sylvania.com/assets/documents/PIB_T8_%20IS_10_THD_UNV.30d93ddc-2f46-4016-bc97-f250da7f0e87.pdf ) and two blues which go the the other end of each of the two tubes.