A guest ordered ten replacement bulbs for a downlight and every one arrived with the wrong base, because the old bulb wasn't a GU10, it was a bayonet cap that only looked similar in a photo. Here's how to tell GU10, bayonet B22 and Edison screw E27/E14 apart before you order, and why they can't be converted between each other.
Hotel & HMO refurb
Electrics, bathrooms, hotel housekeeping and fire safety from a single supplier. BOMs by room type, UK compliance checklist.
Read the hotel refurb guide

