Question

1. how many wires are typically connected to a single - pole switch (not counting ground)?

answer:

1. why are single - pole switches usually placed near doors?

answer:

Explanation:

1. A single-pole switch controls one circuit, so it connects to two wires: the incoming hot wire and the outgoing hot wire to the load.
2. Placing single-pole switches near doors allows people to easily turn lights on/off as they enter or leave a room, which is a standard safety and convenience practice.

Answer:

1. 2 wires
2. For convenient access when entering/exiting