Yes they did:
> In one instance last year, the transformer outside a bootleg miner’s home overheated and touched off a grass fire, Chelan County PUD officials say.
> In one instance last year, the transformer outside a bootleg miner’s home overheated and touched off a grass fire, Chelan County PUD officials say.
If a transformer is rated to supply 1000A then you should not under any circumstances allow more to be drawn from it.