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PERFORMANCE
66 Temperature Test
66.1 The temperature test shall be conducted as indicated in Section 37, Temperature Test, except as
indicated in 66.2 and 66.3.
66.2 Direct-current secondary-output circuits are to be loaded as specified in Section 33, Power Input
Test. Line-voltage alternating-current remote circuits including internal loads are to be loaded to 80
percent of the circuit-breaker rating. Additional line-voltage circuits are to be resistance-loaded to an input
current of 80 percent of the total input rating of the power-converter system.
66.3 The temperature rise on a bus, a connecting bar, and a factory-wired circuit-breaker terminal shall
not exceed 65°C (117°F). The temperature of associated wiring – for example, supply assembly, remote
circuit wiring, and the like – shall not exceed the rated temperature limit. All other temperature rises shall
comply with the maximum acceptable temperature rises specified in Table 37.1.
MARKING
67 Details
67.1 A power-converter system shall be marked with the manufacturer’s name, trademark, or other
descriptive marking by which the organization responsible for the product may be identified, a distinctive
catalog number or the equivalent, and the voltage rating and total current rating.
67.2 A power-converter system shall be marked to specify the rating of the factory-wired equipment
provided on each individual line-voltage branch circuit – for example, a convenience receptacle mounted
on the enclosure of a power-converter system, and the like.
67.3 With reference to the requirement in 67.2, if pressure terminals are provided for additional remote
circuits, a power-converter system shall be marked, adjacent to the pressure terminals: ″For connection
of remote circuits,″ or the equivalent.
67.4 A power-converter system shall be marked ″Suitable for direct connection to ____ ampere, 125 volt
recreational vehicle power-supply assembly.″
67.5 If a transfer mechanism is employed to switch from generator to line-power, a power-converter
system shall be marked to specify the action required to switch the power unless the system is automatic.
67.6 If a combination line-generator system is provided, marking adjacent to the means for connection
shall specify the maximum generator rating. See 64.2.
67.7 The color identification required by 62.11 need not be provided if the equipment-grounding terminal
or assembly is identified by the marking ″Equipment-Grounding Terminal″ or a suitable abbreviation
adjacent to the terminal on a wiring diagram.
OCTOBER 15, 2004UL 45881
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