ECN Forum Forums Code Related Discussion Canadian Electrical Code Topics Minimum spacing of grid on...

There is no "minimum" requirement in either the 19th or the 20th edition of the CEC.

Rule 26-608 would apply only if the device in question is an "arc' lamp.

Rule 30-316 states that "lamps shall be guarded". So if the guard is adequate to the task, the CEC requirement is met.