12
Recommended type test probe and leads.
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. 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. But what you with the rubbish that the working
. The indi-
vidual circuit piece equipment must first isolated before work com-
mences order comply with the Electricity atWork Regulations 1989. the answer ‘yes’,
move on.
When the heavy outlined amber boxes are reached, pause and ask your-
self whether everything satisfactory this point. the answer ‘no’, back indicated the diagram.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.
While live testing may required workers the electrotechnical industries
in order find the fault, live repair work must not carried out.
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
