Question 4) When more than one operative is working on an
isolated circuit, what should be used to prevent operation on
the main isolator?
a) A warning notice to indicate that the circuit is being
worked on
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b) A multi-lock hasp with keys being retained by the
individuals carrying out the work
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8 8 8 8 8 8 8
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c) A multi-lock hasp with the keys being retained by the
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site manager
d) Insulation tape to cover the fuse that has been
switched off