Can armored cable be used as ground?

Armored cable is manufactured to UL standard UL 4 and is limited to four phases and neutral conductors with size limitations of 14 AWG to 1 AWG and contain a 16 AWG bare aluminum bond wire to be used in conjunction with the armor as a ground path.

Does a gas furnace need a ground wire?





All equipment should be grounded. The missing ground was not the reason why you didn’t have power. The flame sense on the unit won’t work without the ground. All equipment should be grounded.

How do you ground a furnace?

A common trick is to put a jumper on the ground on a grounded outlet. A common trick is to hook the neutral and ground together in the furnace and then physically connect the ground wire to the gas line.

Does a furnace have to be grounded?

A furnace should always have a good earth ground and always follow all local and national codes when supplying a ground. Measuring the current: The furnace control is the easiest way to determine if there is a good flame signal.

Can armored cable be exposed?

It is permitted for indoor or outdoor service, feeder, or branch circuits and can be exposed or concealed.

How do you connect armoured cable?





Quote from the video:
Quote from Youtube video: You can actually screw the glam for the cable. Directly into the conduit box the thread is the same. And then you do the same on the other side.

How do you check if furnace is grounded?

Quote from the video:
Quote from Youtube video: The next take your other meter lead to your grounding screw. Then check your reading between your neutral wire and your ground a good reading is anywhere between zero. And point five the AC volts.