|-----|--R--|--Y1-|--Y2-|--Y3-|-B/W-|-O/B-|
|--R--| | inf | inf | inf | inf | inf |
|--Y1-| 3.0 | | inf | inf | inf | inf |
|--Y2-| 3.0 | inf | | inf | inf | inf |
|--Y3-| 3.0 | inf | inf | | inf | inf |
|-B/W-| 7.5 | 3.0 | 3.0 | 3.0 | | 4.5 |
|-O/B-| 60 | 40 | 40 | 40 | 28 | |
Is there 3 wires here? or just 2?