Looped Neutral Electric Meter

Meter installation from pad mount transformer w vt pack 480v figure 15.

Looped neutral electric meter.

Anatomy of an electric meter. The square d by schneider electric homeline 200 the square d by schneider electric homeline 200 amp 20 space 40 circuit outdoor solar ready combination meter socket and main breaker load center for plug on neutral breakers is ul listed for residential and commercial power distribution. Meter installation from pad mount transformer usi ng bushing type ct s figure 14b. Neutral conductors shall be continuous from the service head to the service disconnect strip the insulation away from the neutral conductor and connect at the neutral lug of the meter base.

American electric power company meter and service guide 4 figure 14. There is also a connection lug for the grounding wire which is bonded to the center neutral bus bar. Homeowners however can install the meter base. Within the meter panel itself also four cable connections are needed with two other cables involved.

Meter loops must be built and installed to specifications set by the power company. Testing continuity the screen will show 1 or ol open loop is the test is not detected. The important thing to notice is the direction of the current flow in each 120v circuit. Inside a standard household electric meter box there is a center neutral bus bar with wire connection lugs at each and two hot bus bars each with wire connections lugs at each end.

Electric house meters can only be installed by power companies. The neutral wire is connected to earth ground at the transformer and at the circuit breaker box. Neutral cable from the meter unit neutral outgoing terminal to the house distribution panel. Meaning to say there is no continuity.

These are to link both the second terminals of cutout fuse and neutral link to the incoming meter panel terminals. Specifications applying to overhead meter loop only 7. The neutral is simply a reference for the potential coil in the meter. Mark the neutral at the service head by using white color coded tape.

If the current in each 120v circuit is the same the circuits are balanced and no current flows in the neutral wire back to the power company transformer. The electrical meter is part of a meter loop which also contains a weatherhead and breaker box. This combination service entrance device csed is built with a plated aluminum bus bar that is tested and. 480v delta or 277 480v wye 200 amp below service self contained metering with meter disconnect figure 16.

Do not cut the neutral.