NELSON™ HEAT TRACE
DESCRIPTION
The GHK-M25 Termination Kit provides a watertight
entry into an enclosure with minimum IP66
environmental ratings. This fitting is suitable for use in
fixed installations only and is compatible with any
approved enclosure with a maximum wall thickness of
4.76mm (.1875”) or with M25 threaded openings. This
kit is designed for use with all wattages of Nelson Heat
Trace LT-J, LT-JT, UT-1, QLT-J, HLT-J and XLT-J
heater cables. The GHK-M25-L is to be used with LT
and UT-1 heating cables and the GHK-M25-H is to be
used with QLT, HLT and XLT heating cables. These
instructions are to be used together with the installation
and maintenance instructions for self-regulating heater
cable (GA-1765).
KIT CONTENTS
1 Cable Gland, .M25 thread
1 Locknut
1 Sealing Grommet
1 Power Termination, 101.6mm (4.00”)
1 End Seal
1 Tube of Silicone
1 G/Y Tubing, 9.5mm (0.38”) diameter, 152mm (6”)
length
Locknut
Cable
Enclosure
Gland Fitting Body
Retaining Cap
Sealing Grommet
Power Termination
G/Y Tubing
To prevent electrical arcing and fire hazard, all cable
connections and electrical wiring connections should
be sealed against moisture. This includes the use of
proper cable sealing kits and the moisture proofing of
all wire connections.
The metal sheath/braid of the heater cable must be
connected to a suitable ground path.
!
CAUTION:
GHK-M25 TERMINATION KIT
INSTALLATION
INSTRUCTIONS
1. Install gland fitting body on selected enclosure. For enclosures without threaded hubs, install the connector and secure
with the supplied locknut as shown in the diagram above. Discard the locknut when using threaded enclosures.
2. Determine proper grommet for application.
3. Slide the retaining cap over the end of cable to be terminated.
4. Insert the cable through the grommet/gland fitting body and into the enclosure allowing enough cable to complete
termination of the cable.
5. The heating cable shall be be installed with the retaining cap fully tightened to the gland body.
6. Terminate heating cable, see sheet 2.
TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-2304 Rev.3
Sheet 1 of 5
March 2016
NELSON™ HEAT TRACE INSTALLATION
165mm (6.5")
Do Not Cut Braid
!
WARNING:
178mm (7")
GHK-M25 TERMINATION KIT
INSTRUCTIONS
HEATING CABLE PREPARATION
1. Lightly cut around heater overjacket 178mm (7")
from the end. Bend cable to break the overjacket.
2. Lightly cut overjacket up the center between first cut
mark and the cable end. Bend cable to break the
overjacket.
5. At the bulge, separate the braid to make an opening.
3. Remove overjacket from heater cable.
6. While bending the heater cable, work it through the
braid opening.
4. Move braid back toward the overjacket,
creating a bulge.
7. Pull the braid tight.
GA-2304 Rev.3
Sheet 2 of 5
March 2016
TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
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