16 C.F.R. § 1505.8 Maximum acceptable material temperatures.
Title 16 - Commercial Practices
The maximum acceptable material temperatures for electrically operated toys shall be as follows (Classes 105, 130, A, and B are from “Motors and Generators,” Standard MG–1–19671 1 Copies may be obtained from: National Electrical Manufacturers Association, 155 East 44th Street, New York, NY 10017.
Title 16: Commercial Practices
PART 1505—REQUIREMENTS FOR ELECTRICALLY OPERATED TOYS OR OTHER ELECTRICALLY OPERATED ARTICLES INTENDED FOR USE BY CHILDREN
Subpart A—Regulations
§ 1505.8 Maximum acceptable material temperatures.
------------------------------------------------------------------------ Material Degrees C. Degrees F.------------------------------------------------------------------------Capacitors.................................... (\1\) (\1\)Class 105 insulation on windings or relays, solenoids, etc.: Thermocouple method \2\..................... 90 194 Resistance method........................... 110 230Class 130 insulation system................... 110 230Insulation: Varnished-cloth insulation.................. 85 185 Fiber used as electrical insulation......... 90 194------------------------------------------------------------------------
---------------------------------------------------------------------------------------------------------------- Class A Class B Class A Class B----------------------------------------------------------------------------------------------------------------Insulation on coil windings of a.c. motors (not including universal motors) and on vibrator coils: In open motors and on vibrator coils_thermocouple or resistance 100 120 212 248 method \2\....................................................... In totally enclosed motors_thermocouple or resistance method \2\.. 105 125 221 257Insulation on coil windings of d.c. motors and of universal motors: In open motors: Thermocouple method \2\......................................... 90 110 194 230 Resistance method............................................... 100 120 212 248 In totally enclosed motors: Thermocouple method \2\......................................... 95 115 203 239 Resistance method............................................... 105 125 221 257Phenolic composition \3\............................................ ......... 150 302 .........Rubber- or thermoplastic-insulated wires and cords \3\.............. ......... 60 140 .........Sealing compound.................................................... ......... (\4\) (\5\) .........Supporting surface while the toy is operating normally.............. ......... 90 194 .........Wood and other similar combustible material......................... ......... 90 194 .........----------------------------------------------------------------------------------------------------------------\1\ If the capacitor has no marked temperature limit, the maximum acceptable temperature will be assumed to be 65 °C. (149 °F.) for an electrolytic type and 90 °C. (194 °F.) for other than an electrolytic type.\2\ The temperature indicated refers to the hottest spot on the outside surface of the coil measured by the thermocouple method.\3\ The limitations on rubber- and thermoplastic-insulated wires and cords and on phenolic composition do not apply if the insulation or the phenolic has been investigated and found to have special heat-resistant properties, or if the insulation meets the thermal requirements.\4\ 40 less than melting point.\5\ 104 less than melting point.
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