Switches

A

Analogue switch

B

Banyan switch
Battery isolator
Big red button
Button (control)

C

Centrifugal switch
Changeover switch
Clos network
Control relay
Crossatron
Crossbar switch
Crossover switch

D

DIP switch
Dendritic erosion
Dry contact

F

Float switch

G

Ganging

H

Head-of-line blocking

I

Ignitron

K

Key switch
Krytron

L

Light switch
Lightning Switch

M

Mercury switch
Micro switch

N

Nonblocking minimal spanning switch
Normally open

P

Power distribution unit
Pull switch

R

Railroad switch
Reconnector
Reed relay
Reed switch
Relay
Rotary switch

S

Softswitch
Spark gap
Stepping switch
Switch

T

Thyratron
Toggle switch
Transfer switch
Trigatron

W

Wavefront arbiter
Wire spring relay
Wireless light switch

Fonte: Wikipedia