“This Coffee Is Ground-Fault Protected” Black Mug

$14.00

Start your morning with a spark of brilliance—and a touch of sarcasm. The “This Coffee Is Ground-Fault Protected” mug is the perfect companion for engineers, electricians, or anyone who lives on the edge of OSHA compliance. Featuring a glossy black ceramic body with a bold white print area, it’s as sleek as it is cheeky.

Durable black ceramic with white print area
15 oz capacity – more volts per sip
Dimensions: 4.7″ tall x 3.35″ wide
NOT microwave or dishwasher safe (safety not included)

CONFIGURATIONSELECT OPTIONS

Select color: Black

Select size: 11oz

More details

Ceramic
11 oz mug dimensions: 3.85″ (9.8 cm) in height, 3.35″ (8.5 cm) in diameter
15 oz mug dimensions: 4.7″ (12cm) in height, 3.35″ (8.5 cm) in diameter
Dishwasher and microwave safe

Size & Fit

11 oz mug dimensions: 3.85″ (9.8 cm) in height, 3.35″ (8.5 cm) in diameter
15 oz mug dimensions: 4.7″ (12cm) in height, 3.35″ (8.5 cm) in diameter

Quality Guarantee & Returns

Fourthwall handles merchandise returns and refunds. Report a claimed print or manufacturing defect promptly and within 30 days of the product order, with your order number and clear photos. Non-defective products are generally not returnable, except where applicable law requires otherwise.

Capacity	Height	Diameter	Circumference
11 oz (325 ml)	3.79" (9.6 cm)	3.25" (8.3 cm)	10.2" (26 cm)
15 oz (443 ml)	4.69" (11.9 cm)	3.35" (8.5 cm)	10.5" (27 cm)