Basic Electrical Installation Work

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the answer ‘no’, back indicated the diagram. When the heavy outlined amber boxes are reached, pause and ask your- self whether everything satisfactory this point. The indi- vidual circuit piece equipment must first isolated before work com- mences order comply with the Electricity atWork Regulations 1989. But what you with the rubbish that the working . While live testing may required workers the electrotechnical industries in order find the fault, live repair work must not carried out.12 Recommended type test probe and leads. Disposing waste We have said many times this book far, that having good attitude to health and safety, working conscientiously and neatly, keeping passageways clear and regularly tidying the workplace the sign good and com- petent craftsman. Therefore, the fault finding and testing can only successfully carried out live then the per- son carrying out the fault diagnosis must: ● trained that they understand the equipment and the potential hazards working live and can, therefore, deemed ‘competent’ to carry out that activity ● only use approved test equipment ● set appropriate warning notices and barriers that the work activity does not create situation dangerous others.Basic Electrical Installation Work 172 HBC fuses and/or current limitation Robust, flexible well- insulated leads Shrouded firmly attached connectors Minimum of exposed metal Barrier prevent access live terminals FIGURE 8. LIVE TESTING The Electricity Work Regulations 1989 Regulation 4(3) tells that is preferable that supplies made dead before work commences. However, it does acknowledge that some work, such fault finding and testing, may require the electrical equipment remain energized. the answer ‘yes’, move on