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Sonoma raceway charging report - limited options - plan ahead…

Sonoma raceway charging report - limited options - plan ahead…

I do track events (not with my model S - I value it too much to track it). But I do drive it all over California to various track venues to track my RV-car and so far I've always been able to charge it at a nice high quality 240v outlet, because tracks need that sort of power to support real live race car pit crews…

well color me surprised when I arrived at world famous Sonoma race way and only found NEMA 5-20 plugs hanging from the ceiling in the garages - and not very many (or accessible) 240v outlets anywhere to be found! I was able to use my home-made NEMA 5-20 adapter (thanks @shop) and was able to charge at a nifty 4 mph/range…better than nothing, but not by much.

I looked around the paddock and around the bleachers and didn't find much in the way of options for charging.

I finally tracked down a hidden 240v/50 amp circuit on the back side of the shed near the gas pumps - but it required a Marine Shore power adapter which fortunately I had and I was able to do a decent charge on day 2 at the track having found that one outlet (that happened to be on)…

Here is what i found for the charging situation at Sonoma raceway for those of you wanting to spend a day at the track with your Tesla's…

Garages - all have 4 outlet NEMA 5-20 outlets hanging above each parking stall - bring a NEMA 5-20 extension cord…you'll need it. You will need Tesla's NEMA 5-20 or shop's homemade adapter…or you'll use the NEMA 5-15 that came with the car for a 3 mph charge rate.

Each garage building (holding 18-20 stalls) seemed to have two NEMA L5-30 outlets (120v @ 30 amps) - I didn't have that adapter with me so I didn't attempt to use it - but the space was occupied and I would've needed an extension cord…(for reference this is the type of plug the garage's had - http://www.stayonline.com/nema-30-amp-locking-plug-125v.aspx - these cords would not have worked - but I'm sure one of these cords to a NEMA 14-50 adapter and I would've been in business, but given Tesla's limits on 120v power-supplies of 16 amps I don't think I could dial 120v/30amp supply unto 24 amps [80% of 30])

anyone weight in here on max amps for a 120v power supply?

I found one (1) 240v/50 AMP power outlet on the shed next to the gas pumps - and it also happened to be "hot/powered" I used the NEMA SS2-50P + 15' NEMA 14-50 extension cord and was able to get the tesla plugged in and charging at a decent 24 mph/range…the adapter that was required is sold here…

http://cordtec.com/products.asp?id=852

next to the NEMA SS2-40R (female) was a NEMA L6-50P (male) connector that would also probably was powered and would've worked (same approx. location as the NEMA SS2-50P) but I didn't have a NEMA L6-60R to NEMA 14-50R adapter (it's not normal to have the male provide power and need a female to plug into it…

so I ended up using two adapters I never thought I would use this weekend - NEMA 5-20P & NEMA SS2-50P + Extension cord to get my charge on this weekend.

I'm not saying this is an exhaustive inventory of charging options at Sonoma Raceway - but if there are other options they are well hidden unlike other raceway parks I frequent that have many 240v options in abundance (Thunderhill, Laguna, Buttonwillow all have multiple 240v options out in the open, easily accessible, and in great quantities).

please feel free to chime in if you know of more options at this facility.

I also plan to write a letter/email to the Sonoma people and recommend they consider have a limited number of NEMA 240v plugs available in the parking lots to support their EV customers who spend money at their facilities.