Nec Relay Wiring Diagram. You may need to complete your low voltage wiring in another enclosure or use a partition. Use copper wire 75ºc min only between disconnect switch and unit.
175 blk htr1 dd1 or cbdisc 6 8 blk 4 2 l1 l1 l2. As you can see there is absolutely no difference between the square type and the round type other than the ratings on the relay. Refer to specific wiring diagram located on inside cover of enclosure.
Relay 1 blk heat strip 1 schematic diagram l2 notes.
Low voltage wiring diagrams. This is the low voltage wiring diagrams of a photo i get from the low voltage lighting relay wiring diagram package. Nectokin ex1 2u1s single relay. Mike holt enterprises inc.