Various forms of connectors may be required in any particular item of
electronic equipment. These may be categorized in various ways but the
following should serve as a guide:
(a) Mains connectors. These connectors are intended for use with an a.c.
mains supply. Standard 3-pole IEC types should be employed
wherever possible.
(b) Single-pole connectors. These are available in ranges having diameters
of 4 mm, 3 mm, 2 mm and
1
mm and are ideal for use with test-leads
(i.e.
as input and output connectors in test equipment) and for
low-voltage power supplies. Plugs and sockets are available in various
colours
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