Three Phase High Leg Wiring Diagram. 3 phase 4 pin plug wiring diagram 3 phase 5 pin plug wiring with 3 phase 4 pin plug wiring diagram image size 510 x 288 px image source. Three phase wiring diagrams.
A high leg delta connection is a configuration in which one of the windings in a delta connected secondary of a transformer is centre tapped and grounded. The industry standard for metering 4 wire services call for the high leg to go on the right or c phase while the code calls for the high leg to go on b phase on customers equipment. If the high leg is pulled in the center ct ae.
Connect either of the low legs to the transformer and note the tap.
Circuit diagram showing currents under single line to ground fault in phase a. And of course there is alot of single phase 240 v equipment as well as 240 v three phase stuff. Here is a picture gallery about 3 phase 4 pin plug wiring diagram complete with the description of the image please find the image you need. 1 pic for 208 230v and 1 pic for 480v.