188 FFF - Fuse, Circuit Breaker and Fault Finder
The 188FFF is a Fuse and Fault Finder which comprises of two parts: The Receiver and the Transmitter. The Transmitter draws a current from the mains supply circuit to which it is connected to. The Signal Current from the Tx is at about 10kHz. The Transmitter is powered by the mains and requires no batteries.
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Hoyt Electrical Instrument Works Inc.
23 Meter Street
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