Electrical Question about the PE or Protective Earth Connection
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Electrical Question about 3-Phase 220 Volt Wiring: The circuit is 220 volt, 3 phase, 60 cycles. The terminal landings are marked L1, L2, L3 and PE. |
Electrical Question from Joe about 3-Phase 220 Volt Wiring Diagram
Electrical Question: Is the PE symbol the Earth Ground for an electrical power supply from another country?
- I am getting ready to install a new power supply (pulse power).
- The supply required is 220 volt, 3 phase, 60 cycles.
- The landings are marked L1, L2, L3 and PE.
- The question I have: Am I correct in thinking the PE landing is for the Earth Ground?
- I’ve never seen this labeling. I should mention that this piece of equipment was spec out and imported from another country.
Background: Joe, a Electrician from Seattle, Washington.
See more about Home Wiring for Washington
Dave the Electrician’s Reply:
Thanks for your electrical question Joe.
Electrical Terminal Landing for the PE Wire Conductor
Application: Installing a 220Volt Circuit.
Skill Level: Intermediate to Advanced, Best installed by a Licensed Electrical Contractor. Work in electrical panels is not recommended for homeowners, non-experienced individuals or non-electricians.
Tools Required: Basic Electricians Pouch Hand Tools, electric drill, auger bits and extension cord.
Estimated Time: Depends on personal level experience, ability to work with tools and install 220 volt electrical circuit wiring.
Precaution: Identify the main circuit of the panel, turn it OFF and Tag it with a Note before working with the wiring or installing the 220 volt wiring and circuit breaker. Working in an electric panel is dangerous due to arc flash hazards and the possibility of electric shock.
Notice: Installing an additional 220 volt circuit should be done according to local and national electrical codes with a permit and be inspected.
Wiring Connections to L1, L2, L3 and PE Terminal Blocks
- The PE designates the termination for the Protective Earth or in our USA terminology the Ground.
- This would be a Non-Current Connection.
- NOTE: This connection is used for Fault Current only.
More about 220Volt Electrical Wiring
- Wiring 220 Volt Electrical Outlet
- Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home. See how electrical outlets for the home are wired.
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