100ft 10/4 AWG Generator Cord Voltage drop test

Checking voltage drop of my new 100 foot Generator Extension Cord from eBay and Coleman 3-Foot Generator Power Cord Adapter from Amazon.

No load - 120 V

Lights connected directly to generator - 119 V

Lights connected via Extension Cord & Adapter - 117.5 V

The lights are 1000 Watts total, so the Voltage drop would be greater for a higher load (Linear relationship, so would be 3v with a 2000 Watt load)

Generator Cable, 10/4 Wire with NEMA L14-30P to L14-30R Plugs

http://www.ebay.com/itm/Generator-Cord-30A-125-250V-100ft-length-/261150872234?pt=LH_DefaultDomain_0&var=&hash=item3ccdce12aa

Y Splitter L14-30R into two 5-20R

http://www.amazon.com/gp/product/B000IUHA28/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B000IUHA28&linkCode=as2&tag=n0841-20

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