7.7.6 Insert new 7.7.6 as follows:
"7.7.6
Special provisions for
flammable gases or liquids having a flashpoint below 23°C c.c.
transported under temperature control
7.7.6.1 When flammable gases or liquids having
a flashpoint below 23°C c.c. are packed or loaded in a cargo transport
unit equipped with a refrigerating or heating system, the cooling
or heating equipment shall comply with 7.7.3.
7.7.6.2 When flammable liquids having a flashpoint
below 23°C c.c. and not requiring temperature control for safety
reasons are transported under temperature control conditions for commercial
reasons, explosion-proof electrical fittings are not required, when
the substances are pre-cooled to and transported at a control temperature
of at least 10°C below the flashpoint. In case of failure of the
refrigerating system, the system shall be disconnected from the power
supply."
7.7.6 (existing) Renumber as 7.7.7.
7.7.7 (existing) Renumber as 7.7.8.
7.7.8 (new) Replace "exemption" with "approval".