订购保险丝时，请注明额定电流安培数和电压。如果需要确定适当的尺寸，请参阅美国国家电气规程。
When ordering fuses, specify Ampere rating and voltage. Refer to the National Electrical Code for proper sizing.
订购保险丝时，请注明额定电流安培数和电压。如果需要确定适当的尺寸，请参阅美国国家电气规程。
When ordering fuses, specify Ampere rating and voltage. Refer to the National Electrical Code for proper sizing.
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