Orange outlets mean that the ground is isolated and not connected to the outlet’s yoke or mounting strap to provide “clean” power. Indicated by the small green triangle on the outside of the outlet.
What orange electrical outlets are used for: – High profile computer systems like banks, industrial, and data centers – Hospitals & healthcare buildings – Backup power systems – residential and commercial – Heavy equipment like compactors
You will often see 30-Amp, 250v orange receptacles in commercial applications with a twist-lock design. This is because the outlet is powering essential equipment, and there is less chance of something being accidentally unplugged.
Continuity is an uninterrupted pathway for the flow of current. A simple example would be a light switch. The current can not flow through the circuit when open, so the light remains off. Once you flip the switch and allow the current to flow, you complete the circuit and have continuity.
If you want to test continuity, run a test with an electronic multimeter- which will send a small amount of voltage through the circuit to determine the resistance.