Wall Schematic Wiring Diagram. A simplified conventional pictorial representation of an electrical circuit. The most common elements are capacitor resistor and battery.
Anatomy of a wall. The stud or framed wall. 2 such rings is typical for a 2 up 2 down larger houses have more.
Typical wall layers exterior wall.
The long slot on the left is the neutral contact and the short slot is the hot contact. A grounded contact at the bottom center is crescent shaped. Anatomy of a wall. Telephone wiring diagram excerpt from document provided by dennis hock and scanned by kellogg mike neale.