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different holiday blocks can be set in addition, with
unrestricted durations. These blocks can be used for 3
day weekends, 2 week vacation shutdowns, July-
August school closing, etc.
A 6th Block is available for user selectable date of start
and end of daylight savings time where needed.
INSTRUCTIONS FOR INSTALLING TORK
ENCLOSURE INSTALLATION
1. Five combination 1/2" and 3/4" knockouts are pro-
vided on this enclosure.
2. Remove the 1/2" (inner) knockout by inserting a
screwdriver in the slot provided and pound screw-
driver handle with a hammer. Remove slug with pliers
and smooth hole edges with file or knife if neces-
sary. When the 3/4" outer knockout is required, place
screwdriver in groove and pound screwdriver handle
with hammer. Remove loose slug with pliers and
smooth hole edges with file or knife if necessary.
3. When attaching conduit to enclosure, exercise care to
align and support conduit in order to prevent unneces-
sary stress on enclosure.
GROUNDING
National Electrical Code
requires that grounding
must be continuous and in
proper electrical contact in
all grounding conductors,
metallic
grounding terminals. When
metallic
installed, use approved
grounding bushings or
order KN500 (two 1/2) or
KN750 (two 3/4) grounding
bushing kit from TORK. When using metal conduits,
install the proper size approved grounding bushings.
The minimum size copper grounding conductors must
be #10 AWG if the circuit breaker or fuse is 30 or 40
amp, #12 AWG if 20 amps, and #14 AWG if 15 amp.
NOTE: USE ONLY U.L. LISTED RAINTIGHT HUBS FOR
OUTDOOR INSTALLATION
TIME SWITCH ENCLOSURE
conduits
conduits
and
are
GROUNDING
BUSHING
.
2
®
NORYL
DIGITAL
GROUNDING
CONDUCTOR
METAL CONDUIT
METAL
RIGID OR FLEXIBLE CONDUIT
®
CONNECTOR
LOCK NUT
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