In engineering, "hot" does not simply mean "warm." It specifically denotes a zone requiring active heat dissipation (above ambient, often >60°C / 140°F) or a "hot side" of a thermal transfer system (e.g., the hot junction of a thermoelectric cooler).
This is almost certainly a model number, a part identifier, or a thermal load rating .
In engineering, "hot" does not simply mean "warm." It specifically denotes a zone requiring active heat dissipation (above ambient, often >60°C / 140°F) or a "hot side" of a thermal transfer system (e.g., the hot junction of a thermoelectric cooler).
This is almost certainly a model number, a part identifier, or a thermal load rating . multi space 104 hot
