Bookmark Share 2Definition of terms#Approved heat sourceHot air gun or soft butane gas gun with flame approximately 300 mm long and with a 200 mm soft yellow tipNmNewton metreThe ActElectrical Safety Act 2002, Regulation and Codes of Practice Source: TRUM Vol 4 Part 4 · page 4 Open PDF at this page Search this document ← Previous1 Introduction Next →3 Referenced documents