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(d) The 150 and 100 pairs enamel and cotton
covered and lead sheathed cables under itama 14 and
15 are intended for use between the terminations
of the dry core cables outside the Post Office, and
the distribution frame in the switchboard room. This
cable will be impregnated with beeswax so as to
form an airtight seal to the dry core cable. The
two cables would be jointed together in the "straight
through" boxes included under asot ions C and D. An
alternative method of leading in would be to carry
the dry core cables right into the exchange TOOM,
and there terminate them by means of a short length
of this beeswaxed cable through an ordinary lead
sleeve joint. If the building is suitably arranged
this latter method is in our opinion the best, but
if it is awkward to take the dry core cable into
the exchange then the original scheme must be
followed.
(e) The G.P.0. detector is replaced with a
test ing set, item 8, which would be useful for a
variety of tests to both outside wires and switch-
board.
(f) On several sections the Colony includes
both test boxes, and distributing boards for the
full number of wires in the cable. As a principle
a pole distributing box
with lightning protectora
which should be fitt ed
is employed for die-
tributing to open wires and a distribution board
is not required. There a cable is carried under-
ground into a building, as at No.5 police station,
then a distribution case should be provided.
(g) At the points M, N and 0. on section B it
will
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