A certificate of suitability means a certificate certifying that the relevant (a) level 1 in-scope electrical equipment is safe to use, safe to supply and satisfies the relevant standard; or(b) level 2 in-scope electrical equipment is safe to use, safe to supply and satisfies the relevant standard; or(c) electrical equipment, that is not controlled electrical equipment or in-scope electrical equipment, is safe to use, safe to supply and satisfies the standard prescribed for that electrical equipment.