REMOTE-CONTROL, SIGNALING, AND POWER-LIMITED CIRCUITS


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REMOTE-CONTROL, SIGNALING, AND POWER-LIMITED CIRCUITS
REMOTE-CONTROL, SIGNALING, AND POWER-LIMITED CIRCUITS463. A remote-control circuit is any electric circuit that controls any other circuit through a relay or an equivalent device.464. Class 1 circuit power source. Remote control or signaling circuits in this classification are either power-limited, or not. The Class 1 power-limited circuits are supplied from sources limited to 30 V and 1000 VA. The nonpower-limited Class 1 circuits are limited to 600 V, but the source output power is unlimited.465. A signal circuit is any electric circuit that energizes signaling equipment. Such circuits include circuits for doorbell…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. REMOTE-CONTROL, SIGNALING, AND POWER-LIMITED CIRCUITS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export