Spkjpr, jlhmaint,
just with regard to the testing of Rubber Live Gloves.
The most important test you can do on these gloves is simply roll them up, from the gauntlet end to the fingers and listen for escaping air.
This should be done prior to wearing them, as a small hole can render these gloves useless if used at High Voltages.
And it is also important that leather over-gloves are always worn with them, to save damage to the rubber. [Linked Image]