Strip 1 2 inch of insulation from each end of the cut terminal wire and the end of each float switch wire with a pair of wire strippers.
A c unit switches wire nuts exposed attic.
9 install the fans.
Truthfully iâm nervous about the attic â the only light is b.
Grounding wall outlets and light switches.
Location of power supply and switch.
80 5 covered by insulation 10 in hot attic the rest through a wall and a cool dry crawl space.
No boxes hidden in wall and no boxes covered by insulation in the attic.
Install the switch box and switch.
Twist one end of each float switch wire to one of the exposed section of the cut r terminal wire.
Wiring an a c unit involves installing a double pole 240 volt circuit breaker in the main service panel running a 240 volt cable to the a c s location installing a safety disconnect switch there and then running weatherproof flex from the switch to the a c s terminal box.
Use wire nuts to connect the black wire from the 12 2 wire to the black or red wire in the attic fan the white wire to the white wire in the attic fan and the two ground wires.
23 0 amps recommended fuse breaker hacr.
I have an attic above but there is blown insulation and i canât see where the wires are.
The ground wire is the most important wire of any electrical circuit because it protects the circuit components by providing a path to earth ground if an electrical fault should occur.
Ed beal jul 19 17 at 19 08.
Secure the wires by twisting one wire nut onto each pair of wires.
You cannot just wire nut two wires together and leave them dangling in the attic.
I took it to be the cable romex was going to be exposed.
Bonding the ground wire whenever possible.
40amps max fuse breaker hacr.
Find a live receptacle for the power source.
But we need to know the type of wire and the type of access to the attic scuttle hole stairs to provide a complete answer.
All your junction boxes must be visible and accessible.
Trane 3 ton unit manufactured 1994 phase 1 minimum circuit ampacity.
If the term open wiring splice sounds greek to you then in simple terms a splice is a connection that is made between two wires.
Determine the fan switch location.
Open wire splices found in your home attic during the inspection could add a further dent to your bank accounts.
I want to change the 14 2 wire running to my master bedroom light switch to 14 3 wire so i can have separate switches for the light and ceiling fan.
I think some folks are thinking you mean knob and tube wiring since you said exposed.
The process of wiring an attic fan involves the power source and switch location wiring connections to the switch and wiring connections to the fan.
That latter gets especially tricky if you are tapping into a circuit in the attic where the wires are covered by.
