Pre-Repair Information; General; Safety Precautions - Raychem nvent MI Series Manual

Mineral insulated cable
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2

Pre-Repair Information

2.1

General

Both single conductor and dual conductor copper
sheath and Alloy 825 sheath cables can be field
repaired or modified. The field repair kits can be
used to complete the following:
• To repair or replace a joint in the heated section
• To repair or replace a joint between the heated
• To repair or replace the end cap for Design D
Brass joints and end caps are used to repair or
modify heating cables with a copper sheath heated
section and copper sheath cold lead section and
are suitable for exposure temperatures up to 392°F
(200°C).
Stainless steel joints and end caps are used to repair
or modify heating cables with an Alloy 825 sheath
heated section and Alloy 825 sheath cold lead
section and are suitable for exposure temperatures
up to 1022°F (550°C). They are also used to repair
or modify heating cables with an Alloy 825 sheath
heated section and copper sheath cold lead section
for exposure temperatures up to 482°F (250°C).
successfully, please contact nVent for assistance.
2.2

Safety Precautions

• Safety glasses and gloves must be worn when
• Take care to avoid burns when handling welding
• Wear a welding apron when working with welding
• Follow all safety instructions supplied with the
• Disconnect all power before repairing or modifying
must be taken not to trap moisture as this could
cause the cable to burst, possibly causing injury.
4 | nVent.com
(hot-hot joint)
section and the non-heating cold lead section (hot-
cold joint)
cables
Note: If the attempted repair cannot be done
making field repair joints
torches and hot work pieces
torches
equipment you are using
the heating cable
CAUTION: When drying out cable, care

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