How do you wire a nema L6-30 plug?

Answer 1

First make sure the breaker is shut off. If you look closely at the back (depending) on the outlet, it should have X,Y,W, or G by each screw, meaning it is a 4 conductor outlet and is used in a 240 Volt application, X= HOT 120 v, Y= HOT 120 v (hot wires are commonly black and red but can be any color other than white, grey, or green), W= Neutral (white), G= ground (bare or green). Strip the ends of the wires out to the specified length and tighten under corresponding screw or clamp, hot wires are not specific to either X or Y meaning it doesn't matter which hot goes to which hot terminal. Be sure to get good solid connections, and be sure to tighten screw firmly, bad connections are a common place to get hot spots or fire hazards.

Answer 2

NEMA L14-30 plug features four prongs. Curved prongs are mount to the plug's face. The neutral prong is position at the top while the ground at the bottom. The tab locks the plug into a receptacle when turned clockwise.

Answer 3

The Nema L6 is a 3 wire 250V twist-lock the 30 indicates the amperage rating of 30amps. There will be two black screws and one green screw. The application this receptacle is most commonly used for is a straight 220V application for motors or heating elements that do not need a nuetral wire to carry the unbalance load back to ground as required for a lamp or iluminated display. The black & red wire {or the white of a 2 wire cable can be phased or taped red identifying it as a "B" phase "current carrying conductor"} and they will terminate to the two identicaly colored screws or the slots provided in the back for screw compression. The ground will be green or bare and will terminate to the green screw slot. As stated the equipment to utilize this plug should not any requirements for a nuetral wire {white}, if so the L6-30 2 pole 3 wire receptacle should be replaced with a 3 pole/4 wire L14-30. Keep in mind the rating is 30 amps and #10 wire should be used regardless of the equipments power demands. A 20 amp breaker can be installed if the 30 amps is to large, but the wire needs to be rated the same as the receptacle. Hope this explains your question and any related subsequent queries that may follow. I will put this on my watch list if you have any further questions. Good Luck and remember to de-energize and safe off the breaker before working on any electrical, as it is the most unforgiving of all utilities when not properly installed.

p.s. follow the wire stripping gauge on the back of the receptacle and wrap solid wire around screws and compress stranded wire using the slots provided.

Answer 4

L-L-L-G

Each of the non-locking terminals is a different phase and the locking is ground.