A suitable earthing pit spread is provided to be set on
the earth pit in order to guarantee that the earth sets
are resistant to ingression of foreign material. Earth
Pits give a secure and easy to use poassage for sup-
port purposes and the periodical estimating of electri-
cal obstruction of a covered earthing framework to
ensure the earth sets in opposition to ingression of
unfamilar metrial, a proper earthing pit spead is given
to be set on the earth pit. An electrical resistance esti-
mate for an enclosed earthing system is provided by
earth pits.