Sentence:  Sam and Jamie set up the barbecue and tables they′d borrowed from the surf club, Tony organised all the tradesmen, the chippies quickly put the first platform in place so Fizz could set up her sound system while the <WSD>sparkies</WSD> rigged up sound and lights, and the plumbers were happy to act as security. 
Meaning of the word marked with <WSD> tags:  An electrician; an electrical engineer.