Home » English riddles » Wiring and Cabling » Wiring Riddle No.9 – Receptacles » Reply To: Wiring Riddle No.9 – Receptacles Reply To: Wiring Riddle No.9 – Receptacles 2021-08-03 at 11:08 am #2774 Hamid Yes, we had similar discussion in Electrical Riddle No.48.