To become an accomplished Rigger requires both experience and training.
There are no countries except for Australia, who require you to have a certificate in Rigging prior to getting on the job. Given the risks associated with the job, it is the individual’s responsibility to gain the training, experience and knowledge to be confident in the practical application of their work.
Here are some training resources for you to consider:
USA – The Entertainment Technician Certification Program – Arena and Theatre Rigging Certifications
UK – Professional Lighting and Sound Association – National Rigging Certificate
UK – Professional Lighting and Sound Association – National Event Lifting Certificate
AUSTRALIA – Workplace Health & Safety – Rigger Licenses
AUSTRALIA – Workplace Health & Safety – Dogger (DG) Licenses
WORLDWIDE – Industrial Rope Access Trade Association