The household task
Separate a replaceable light bulb from a luminaireThe complete lighting fixture containing or supporting a light source.
Example: A shaded portable lamp is a luminaire., the complete fixture that holds or incorporates a light source. Some fixtures have integrated LEDs and no ordinary replaceable bulb.
Your beginner project covers observation, shopping decisions and an accessible replacement explicitly permitted by the equipment instructions. It does not teach rewiring, switch replacement, opening drivers or converting fluorescent tubes.
Renters also need to respect ownership and permission. A small project can still be complete: choose a lamp, document the need, screen a suitable bulb and compare the result. Missing fixture instructions are a reason to investigate before buying, not a reason to assume compatibility.
Try the supplied case
Cedar owns an intact plug-in reading lamp with a replaceable bulb and readable instructions. A rented hallway fixture has an integrated LEDA light source incorporated into a fixture rather than an ordinary replaceable bulb.
Example: The case hallway has no user-replaceable bulb in its instructions., and the landlord has not approved changes.
Choose the first project and write one exclusion beside your goal.
One defensible response
Trial a suitable replacement bulb in the owned reading lamp. Exclude opening or altering the rented integrated hallway fixture.
The owned lamp offers a bounded application with accessible instructions; the hallway adds both a different product type and a permission problem.
Check your response: Your scope must say what will be changed and what will be left for an authorized person.