Key Test Areas:

1.  Surface temperature limits to prevent fire or burns

2. Thermal cut-off and over-temperature protection

3. Tip-over switch functionality (portable heaters)

4. Grille and guard mechanical safety

5. Electrical insulation under heating conditions

Key Test Areas:

1. Electrical safety and shock protection

2. Weather resistance for outdoor use

3. Lamp retention and mechanical strength

4. Thermal testing during continuous operation

5. Strain relief and cord security

Key Test Areas:

1. Short-circuit current rating (SCCR) verification

2. Enclosure and ingress protection (NEMA/IP ratings)

3. Component spacing and electrical clearance

4. Temperature rise under rated load

5. Control circuit isolation and safety

Key Test Areas：

1. Blade guarding and finger protection

2. Motor thermal overload protection

3. Mounting stability and secure attachment

4. Electrical safety and cord retention

5. Material flammability and fire enclosure

Key Test Areas:

1. Output voltage limiting and energy hazard protection

2. Dielectric strength and insulation testing

3. Temperature rise under rated conditions

4. Overload and short-circuit protection

5. Construction requirements for intended application

Key Test Areas:

1. Stability testing (tip-over prevention)

2. Strain relief for flexible cords

3. Temperature rise under normal use

4. Guard and shade mechanical security

5. Switch and control durability