| 摘要 |
<p>A fire-resistant cover for an electrical fitting to be recessed into a supporting structure comprises a hood formed from wire mesh and shaped to include a top (4) and one or more upstanding side walls (3) each lined with a layer (2) of flexible cellular fire-retardant foam or sponge. The fire-retardant foam or sponge is coated with a primer solution including a sealant and with a flowable coating of fire-retardant material.</p> |
