T1 Phone Wiring Diagrams. T1 transformer 1 t2 transformer 2 t3 transformer 3 as i was trained in electrical and electronics before i went into bashing and denting other types of work. Ot1 opentherm wire 1 42 v dc max.
1 remove the base plate of the telephone using the 4 screws in the corners 2 remove all existing wire straps 3 insert strap between t1 and t2 4 insert strap between t8 and t9 as seen on the diagram below 5 connect the white wire of the line cord to terminal t1 6 connect the red wire of the line cord to terminal t9. T8t5 ballast wiring diagram available for reference online at eml direct. Ot2 opentherm wire 2 42 v dc max.
Maximum cable thickness 2 mm² ac power adaptor input.
Occasionally the cables will cross. High voltage nest should be installed by a professional we take your privacy seriously. Injunction of 2 wires is usually indicated by black dot to the intersection of 2 lines. It is important that this size of wire is used or a good electrical connection cannot be guaranteed and there could be problems in the future with the system.