I’ve got a single strand electric fence. Mostly 14 gauge steel wire, except for about 750’ of poly rope along the road ( it’s also at the end of the fence, so the current goes through the poly last). Total length is about a mile. 15 mile fencer -ac power. All new insulators. With a 5 light tester, it lights up all 5 lights (8000+ volts). Grounded via 2 4’ steel rebars, as well as ground wire tied to an adjacent barbed wire fence. Calves just go right up to it, flip the wire up, and walk under it with the wire brushing their backs all the way. It’s like it’s not even there. Ground is wet, in fact it’s rained twice this week, raining right now, and more rain next week. Haven’t been dry all year. The calves are 400 lb Charolais X Angus. Their hair is very much like sheep’s wool. Is the hair just too thick? Any and all help is appreciated.
With all due respect, you are under gunned in regards to the energizer you are using. Use joules not volts or miles to rate power to the wire.
A good 8 joule energizer should be adequate. You should get some good suggestions as to brand here but do your own research.
Your grounding rods are definitely inadequate as witnessed by the lack of respect shown by the calves. You should have at least or more
8' ground rods either copper or steel.
NOTE Your ground rod wire running from the energizer to the ground rod should be made of the
same material as the ground rod. Your line wire can be different from the ground wire but do not mix different metal types in the line wire.
Steel wire and rope wire are OK . I use 9 strand rope wire for cross fencing and #14 steel or barbless # 12 for perimeter or lane applications.
To the extent economically practical stay away from steel posts and use fiber to avoid inadvertent grounding. Put your 5 light tester away
and invest in a good directional tester that will show the joules and the direction of any short in the line. Also and you will hear me say this
again and again, Never ever walk an animal over a wire for any reason. It teaches a bad habit. Good Luck