This is the inside of an electric shower switch... can some help me understand why the cable is burnt and also is this a "2 gang" switch and will it need replacing? :
50A Pull Cord Shower Switch | Heavy Duty 50 Amp Double Pole | Click PRW211 | eBay
3 Way Diverter Switch Valve Water Flow Switch Brass Shower Switch - Buy Switch Valve,Water Flow Switch,Switch Valve Product on Alibaba.com
SHOWER PULL CORD SWITCH DOUBLE POLE BATHROOM EXTRACTOR FAN CEILING NEON 45A 5021166803002 | eBay
45 amp shower switch ceiling pull cord comes with 44mm surface backbox - double pole - Electric Shower Reviews