How do I solve 24 down in Daily Telegraph Cryptic 31234?

Question

Accepted Answer

24 down reads "Bulb working – one that's electrically charged" (5 letters); the answer is ONION. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Bulb working – one that's electrically charged (5)

24D — Bulb working – one that's electrically charged (5) — ONION