From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Test report on the fusing currents for various Standard Wire Gauges (S.W.G.).
| Identifier | ExFiles\Box 166\7\ img018 | |
| Date | 1st June 1933 guessed | |
| -5- Fusing currents of the various gauges used in the test having a length of 3 in. and free to the air. 30 S.W.G. 14.9 amperes. 32 S.W.G. 12.3 amperes. 34 S.W.G. 9.9 amperes. 36 S.W.G. 6.6 amperes. In all cases 30, 32 and 36 S.W.G. was tinned copper and 34 S.W.G. was bare copper wire. | ||