Throw:

Denotes the number of different circuits that each individual pole can control.

Watertight:

A seal rating that indicates that water cannot get in when the item is submerged in 3 feet of water.

Translucent:

Transmitting light so that objects lying beyond cannot be seen distinctly.

Wiping Action:

The travel of the moveable contact over the fixed contact as the switch operates. This action helps clean the contacts of contamination.

Transparent:

Transmitting light so that objects lying beyond can be seen distinctly.