The most common and most likely answer to this crossword clue is the 4 letter word ALOW
A
L
O
W
Buddy explains!
The straight part
We know that "Para Handy’s incandescent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case para handy’s incandescent = alow.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ALOW mean?
ALOW adverb- Low down.
- Towards the lower part of a vessel; towards the lower rigging or the decks.
- Below.
- Alight; ablaze