Nema Tt 30r Wiring Diagram
A pinout and wiring diagram for 120 240v generator outlet and plug l14 30.
Nema tt 30r wiring diagram. It is common in most caravan parks and recreational vehicles in north america. The following 30 amp services are also used. L17 30r 3 pole 4 wire grounding continued 3ø 600v ac 18 15r 18 20r 18 30r1 8 50r 18 60r. They can handle 240 volt electricity up to a current of 30 amps.
A commercial adapter that uses a l to a tt will most certainly be wired to connect to one hot pin on the l and leave the other that is an excellent diagram wiring diagram nema tt 30p adapter cords usa nema 14 50r v 40 a 10 kw further 30 v wiring diagram moreover 30 service in addition nema 14 20r wiring diagram together with nema l6 20 wiring. Do not confuse any of these with the rv tt 30 service nema 5 30r 2 pole 3 wire grounding rated 30a 120v. This service is wired the same as the tt 30 rv service. Wiring devices nema wiring diagrams 600v ac 600v ac 600v ac g equip.
Nema 5 30r 2 pole 3 wire grounding rated 30a 120v. If you run across this all you need to do is replace the 5 30r with a tt 30r. Dec 29 2013 this twist lock 30 amp part is probably the most common type of single phase three pole outlets found in most portable generators over 4 000 watt. The 5 30 is uncommon but it is available twist locking plugs and receptacles are generally used instead for high current applications.
The nema l14 30 plug and receptacle are designed to lock together. Do not use with single gang wallboxes single gang mud rings or single gang box extenders. This service is wired the same as the tt 30 rv service. 1 tt 30 receptacle and 1 black hot 1 white neutral and 1 ground correctly sized wire the 30 amp service for an rv is 120 volt with a 3 prong receptacle and a single 30 amp dedicated breaker.
Nema designations are based on a two part code where the numbers before the dash represent voltage and wires and the numbers after the dash represent amperage. Tt 30r also known as rv 30 is a standard outlet for travel trailers this is what tt in the part number stands for. This designation was made specifically for trailers. The 5 30 is uncommon but it is available twist locking plugs and receptacles are generally used instead for high current applications.
Connect the red and black wires to the brass terminals the white wire to the neutral terminal and the ground wire to ground. The 30 amp is a standard ansi c73 13 tt 30p plug tt 30r receptacle. They require 10 awg 3 conductor cable.