For safety switches housing benefit with bachelor — cunning type making the case (4,3)
I believe the answer is:
fuse box
'the case' is the definition.
Both the definition and answer are singular nouns.
Maybe they are linked in a way I don't understand?
'for safety switches housing benefit with bachelor cunning type' is the wordplay.
I cannot quite see how this works, but
'benefit' could be 'use' (I've seen this in another clue) and 'use' is found in the answer.
'bachelor' could be 'b' (abbreviation e.g. BA=Bachelor of Arts) and 'b' is found in the answer.
The remaining letters 'fox' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'making' acts as a link.
Can you help me to learn more?
(Another definition for fuse box that I've seen is " Container for electrical safety devices".)