Bomb Squad Answers

SWITCHES

Once you shade in (darken) all the ON switches the grid would look like this. As the first two rows of the grid stated from the beginning, you should shade in the ON switches and read the 'holes' The holes here are highlighted in yellow. The word for Switches is NEAR

BUTTONS

Your first pass through the grid will look like this:

This follows the word-flow:

MAIL -> CALL
CALL -> BACK
BACK -> STAGE
STAGE -> FRONT
FRONT -> TOOTH
TOOTH -> BRUSH
BRUSH -> FIRE
FIRE -> POWER
POWER -> GRID
GRID -> LOCK
LOCK -> DOWN
DOWN -> CAST

Step 2
Find the letters at the index etched in the panel below (1245552442233)

MAIL (1) = M
CALL (2) = A
BACK (4) = K
STAGE (5) = E
FRONT (5) = T
TOOTH (5)  = H
BRUSH (2)  = R
FIRE (4) = E
POWER (4) = E
GRID (2)  = R
LOCK (2)  = O
DOWN (3)  = W
CAST (3)  = S

"Make three rows"

You'll make three rows (of 4) using the UNUSED buttons.

Step 3
Solve the maze the same way the second time through.

Step 4
Decode the second set of numbers:

FOOLS -> GOLD
GOLD -> RUSH
RUSH -> HOUR
HOUR -> GLASS
GLASS -> EYE
EYE -> SPOT
SPOT -> LIGHT
LIGHT -> HOUSE
HOUSE -> BREAK
BREAK -> FAST

(12242145523)


FOOLS (1) = F
GOLD (2) = O
RUSH (2) = U
HOUR (4) = R
GLASS (2) = L
EYE (1) = E
SPOT (4) = T
LIGHT (5) = T
HOUSE (5) = E
BREAK (2) = R
FAST (3) = S
"FOUR LETTERS"

Step 5
The answer is the only remaining button, a four letter word
 
OARS

WIRES

The answers to the clues can be found above. You'll notice some words didn't fit and wires needed to be cut to allow the full word. The letters ADDED after the wire was cut spell out the word:
 
DERISION

LIGHTS

The groups represent:
Group 1: Things that belong in a set of 12.
Group 2: Ways to walk/travel
Group 3: Words that make other words when 1 letter is removed.
Group 4: Music related terminology
Group 5: 5-letter words
Group 6: Words with only 1 vowel.

INNER WORKINGS