
76 Electrical industries
need to be experienced, not only in electrical work, but in other trades
and be able to interpret the architect's drawings. He will also, in the
absence of any positive information, provisionally locate all electrical
accessories using the symbols given in B.S. 3939 (Table
1).
These
symbols are extremely important, especially to the installation team.
The installation team
Once again, the team will comprise one or more people, depending on
the contract. For the work in this example, two people would normally
be employed; an approved electrician and perhaps an apprentice.
A good electrician will have a reasonable knowledg ...