The explanation that theorists give for this is that spiders have been living on earth several thousand years ago but electricity wasn’t discovered during the ancient period.
Step-by-step explanation:
It is rare to encounter people with a phobia for electric shock but people with phobia for spider attacks can be commonly found.
Electricity is not an ancient invention. When we check evolutionary history it can be seen that spiders have been living on earth from ancient time.
This is why cases of phobia for spider attacks are common.