What size sub-panel for a home workshop?

For a home workshop, you'll typically want a 60A or 100A subpanel, depending on your planned equipment and the capacity of your main panel. The size depends on what tools you'll run and whether you need 240V circuits for larger equipment.

60A subpanel works well for basic workshops with standard 120V tools like table saws, drill presses, dust collectors, and lighting. This gives you capacity for 8-12 circuits and handles most hobbyist needs. You can run multiple 15A and 20A circuits for outlets, plus dedicated circuits for dust collection and lighting.

100A subpanel is better if you plan to run 240V equipment like welders, large air compressors, or industrial-grade woodworking tools. This size also future-proofs your workshop for equipment upgrades and gives you more flexibility with circuit distribution. Many serious woodworkers and metalworkers prefer 100A subpanels for the extra capacity.

Key considerations for New Brunswick workshops include adequate heating circuits (workshops get cold here), proper GFCI protection if there's a sink or wet processes, and ensuring your main panel has enough spare capacity. Your main panel needs at least 60A or 100A of unused capacity to feed the subpanel safely.

Circuit planning should include dedicated 20A circuits for major tools, separate lighting circuits, and multiple general-use outlet circuits. Plan for at least one 240V circuit even in a 60A panel - you might want a welder or large compressor later. TSANB requires proper grounding and bonding for all subpanels.

Installation requires a TSANB permit and licensed electrician in New Brunswick. The electrician will calculate your load requirements, ensure proper wire sizing (typically 6 AWG for 60A, 3 AWG for 100A), and handle the inspection process. Expect costs around $1,200-$2,000 for a 60A subpanel installation, or $1,500-$2,500 for 100A, depending on distance from your main panel.

Safety considerations include ensuring adequate clearance around the subpanel (1 meter in front), proper labeling of all circuits, and GFCI protection where required. Never attempt subpanel installation yourself - it involves working with your main panel and requires precise load calculations.

Need help finding an electrician for your workshop subpanel? New Brunswick Electrical can match you with local contractors experienced in workshop electrical systems.