Following the last regulation that came into force on 1st September 2012 phasing out lightbulbs from 40w down to 15w, there has been a lot of coverage in the media surrounding rough service lightbulbs as replacements for the now phased out household lightbulb. Customers have been contacting lamps-on-line.com to find out the difference between rough service lightbulbs and a regular household lightbulb and asking us if they are suitable replacements for a household lightbulb?