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How do I wire and connect an in-line duct fan?
Contributed by: Flowerman
Your In-Line Duct Fan must be connected to a 110/120 Volt AC, 60Hz fuse or protected by at least a 15amps circuit breaker. Never connect your In-Line Duct Fan to a 240 Volt AC blower motor or other 240 Volt systems. When you remove the fan from its box, there will be no cover box for the wires, as that is only used when connecting the fan to a switch. For all purposes we’re going to connect it to a heavy-duty extension cord. A pretty simple procedure, most fans come with either, 1 black wire, 1 green wire (ground), and 1 white wire. To begin, simply slice the extension cord wire. Make sure it has a ground plug (3 connector pins). Then merely match up the wires, green goes to green, this is your ground wire, white goes to white ,and black goes to black. You might run into a situation where you have 2 black wires, and 1 green wire. Simply attach the green to the green wire, and attach one black to black, and the other black wire to the white wire.
SAFE WIRING: This is a wire-stripper-crimper:
Point A (the white arrow) is used for cutting the wire ends off, just like a pair of pliers. More than likely you will not have to do this, most are pre-cut coming from the manufacturer (On the fan, and on the extension cord). Point B is used for stripping the wire, put the wire end in the proper gauge hole (Marked on the tool), and pull. Point C is used for crimping. In this assembly, I have used wire nuts instead of crimped butt splice connectors.
You’ll need 3 wire nut connectors, 1 for the white wire which is your common, 1 for the black wire which is your hot wire, and 1 for the green wire which is your ground. After all wires firmly connected with the wire nuts, it is a good electrical safety practice to tape over the nuts using electrical tape or duct tape. After each connector is taped, bundle all three together and tape it over as one bundle.
You must never have any bare wires showing!
Now all you have to do is plug it into the outlet. And if hanging In-Line Duct Fans, make sure you have them adequately supported, If you’re fitting the fan inside a wall, wrap rubber around it to reduce the noise level and stop vibration.
NEVER EXPOSE YOUR IN-LINE DUCT FAN TO TEMPERATURES OVER 140° F (60° C)!