A budget 42 watt pl t 3 loops energy saving compact fluorescent lamp with 4 pin base gx24q 4 this lamp is supplied in colour 840 cool white what is this lamp commonly known as ge 42w biax te osram 42w dulux te sylvania 42w lynx te philips 42w master pl t other triple turn tc te please note these lamps should be replaced like for like if you have a 42w lamp in your fitting it must be replaced with a 42w lamp you cannot reduce or incr