Here are 3 tips to help.
A c unit switches wire nuts exposed attic.
40amps approximate length of run from breaker box to outside unit.
I took it to be the cable romex was going to be exposed.
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.
Twist one end of each float switch wire to one of the exposed section of the cut r terminal wire.
I think some folks are thinking you mean knob and tube wiring since you said exposed.
Ed beal jul 19 17 at 19 08.
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.
Trane 3 ton unit manufactured 1994 phase 1 minimum circuit ampacity.
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.
Secure the wires by twisting one wire nut onto each pair of wires.
Install the switch box and switch.
Location of power supply and switch.
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.
Bonding the ground wire whenever possible.
That latter gets especially tricky if you are tapping into a circuit in the attic where the wires are covered by.
No boxes hidden in wall and no boxes covered by insulation in the attic.
9 install the fans.
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.
As a result these improper connections will lay exposed in attics and can cause a lot of problems.
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.
Determine the fan switch location.
All your junction boxes must be visible and accessible.
I have an attic above but there is blown insulation and i canât see where the wires are.
Grounding wall outlets and light switches.
Truthfully iâm nervous about the attic â the only light is b.
40amps max fuse breaker hacr.
Find a live receptacle for the power source.
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.
80 5 covered by insulation 10 in hot attic the rest through a wall and a cool dry crawl space.
You cannot just wire nut two wires together and leave them dangling in the attic.