Thomas & Betts Elastimold 274FT, Elastimold 274FT1 Operating Instructions Manual

IS---0797

IS---274FT(1)

January 2010

Page 1 of 4

Operating Instructions

274FT(1)

Feed--Thru/Grounding Device

CONTENTS: Feed--thru body complete with mounting hardware, Lubricant, Operating Instructions.

The feed thru provides interconnected apparatus interfaces for Elastimold 25kV class (15.2kV phase--to--ground and 26.3kV
phase--to--phase) loadbreak connections and can be used for the following functions:

A. A junction point. B. A grounding point.

To use the feed--thru as a junction point, follow steps 1 to 5 and 6A and 7A.
To use the feed--thru as a grounding point, follow steps 1 to 5 and 6B to 9B.

A yellow band provides indication of full elbow seating and also provides vents for improved switching performance. This
product is identified by a yellow ID washer attached to the eyebolt.

DANGER

All apparatus must be de--energized during installation
or removal of part(s) except for test point caps and
indicators that can be installed and operated
energized.

After installation loadbreak products can be operated
energized per operating instructions. All deadbreak
connectors must be de--energized before operating.

All apparatus must be installed and operated in
accordance with individual user, local, and national
work rules. These instructions do not attempt to
provide for every possible contingency.

Do not touch or move energized products.

“Loadbreak connectors must be operated with a full
insulated “hotstick” type live -- line tool.” Consult the
company’s safe work practices for the required
live--line tool length.

FOR MORE INFORMATION ON PARTS, INSTALLATION RATINGS AND COMPATIBILITY, CALL THE NEAREST ELASTIMOLD OFFICE.

Excess distortion of the assembled product may result
in its failure.

Inspect parts for damage, rating and compatibility with
mating parts.

This product should be installed only by competent
personnel trained in good safety practices involving
high voltage electrical equipment. These instructions
are not intended as a substitute for adequate training or
experience in such safety practices.

Failure to follow these instructions will result in
damage to the product and serious or fatal injury.

If this product is supplied with a protective shipping
cover(s), remove this shipping cover(s) and replace
with the appropriate HV insulated cap(s) or
connector(s) before submerging or energizing the
circuit.

IMPORTANT

1. Check contents of package to ensure they are complete
and undamaged.

2. Check all components to ensure proper fit with cable
and/or mating products.

STEP 1

Grounding-- Insert ground lead into the grounding lug
provided on the mounting hardware and tighten lug. Ground
lead should be No. 14 copper wire or equivalent. Connect
the opposite end of the lead to ground, leaving enough slack
to operate with a hotstick.

Yellow Seating Indicator
and Vent Ring

IS---0797
IS---274FT(1)

January 2010
Printed in U.S.A.

8155 T&B Boulevard, Memphis, Tennessee 38125
(800) 888--0211 Fax: (800) 888-- 0690

3. Read entire installation instructions before starting.

4. Have all required tools at hand and maintain cleanliness
throughout the procedure.

Yellow ID Washer

To Ground

Ground Lug

No. 14 Copper Wire

IS---0797

January 2010
Page 2 of 4

STEP 2

Remove the protective caps from the bushings of the
feed--thru.

PROTECTIVE CAPS MUST NOT BE ON THE BUSHINGS
OF THE FEED--THRU WHEN THE FEED--THRU IS
BEING USED. When the feed--thru is not in use, the
protective caps should be placed on the bushings of the
feed--thru to protect them from dirt and other contaminants.

Clean the bushing surfaces and lubricate them with the
lubricant supplied. DO NOT SUBSTITUTE. Other
lubricants may be harmful to this product and its mating
product(s).

Clean &

Lubricate

Clean &

Lubricate

STEP 3

Attach feed--thru eye firmly to hotstick. Eye

STEP 4

Using a hotstick, slide feed--thru onto parking stand. Unlock
hotstick and back off, to allow space for eyebolt to be
tightened. Tighten eyebolt by rotating hotstick clockwise
until snug. DO NOT OVERTIGHTEN. Releasehotstick.

Parking

Strand

Hotstick

Eyebolt

Hotstick

To Ground

FRONT VIEW

Parking

Stand

SIDE VIEW